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Haynes Yamaha Xv V Twins Manual

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    5B-2 
    Chapter 5 Part B Steering, suspension and final drive (XV700-1100 models)
    
    Fork oil level (US)
    
    1981 through 1983 models Not specified
    
    XV700, XV750, XV1000 155 mm (6.1 inches) below top of inner fork tube*
    
    XV1100 179 mm (7.0 inches) below top of inner fork tube*
    
    Fork oil capacity (UK)
    
    1981 through 1983 XV750 278 cc (9.40 US.fl oz, 9.78 Imp fl oz)
    
    XV920J 303 cc (10.24 US fl oz, 10.66 Imp fl oz)
    
    XV920Kand MK 290 cc (9.80 US fl oz, 10.20 Imp fl oz)
    
    XV920 RH, RJ and TR1 264 cc (8.92 US fl oz, 9.30 Imp fl oz)
    
    1986 and later models. 396 cc (13.4 US fl oz, 13.9 Imp fl oz)
    
    Fork oil level (UK)
    
    1981 through 1983 models Not specified
    
    1992-on XV750, 1994 XV1100 155 mm (6.1 inches) below top of inner fork tube*
    
    1986 through 1993 XV1000 and 1100 179 mm (7.0 inches) below top of inner fork tube*
    
    Rear suspension
    
    Rear spring free length
    
    1981 through 1983 XV750 167 mm (6.57 inches)
    
    XV920 J, K, MK 168.5 mm (6.63 inches)
    
    XV920 RH, RJ and TR1 172 mm (6.77 inches)
    
    1984 and 1985 models (except TR1) 223 mm (8.78 inches)
    
    1986-onXV700andXV750 224.5 mm (8.83 inches)
    
    1986-onXV1100 216.5 mm (8.5 inches)
    
    Rear spring sag limit 5 mm (0.20 inch)
    
    Swingarm end play and side play limits 1 mm (0.04 inch)
    
    *With spring removed and fork fully compressed.
    
    Torque specifications
    
    1981 through 1983 models
    
    Front forks
    
    Damper rod bolt 20 Nm (14 ft-lbs)**
    
    Triple clamp pinch bolts 20 Nm (14 ft-lbs)
    
    Handlebars and steering stem
    
    Handlebar bracket to upper triple clamp nuts (XV920J only) 23 Nm (17 ft-lbs)
    
    Handlebar pinch bolts (XV920J only)
    
    Inner sections 30 Nm (22 ft-lbs)
    
    Outer sections 13 Nm (9 ft-lbs)
    
    Steering stem bolt
    
    XV920 J, K, MK 50 Nm (36 ft-lbs)
    
    All others 54 Nm (39 ft-lbs)
    
    Steering head bearing ring nut see Chapter 1
    
    Rear suspension unit pivot bolt 45 Nm (32.5 ft-lbs) . • •
    
    Swingarm pivot bolt 78 Nm (56 ft-lbs)
    
    Final drive unit to swingarm nuts 43 Nm (31 ft-lbs)
    
    1984-on models
    
    Front forks
    
    Damper rod bolt 23 Nm (17 ft-lbs)**
    
    Upper triple clamp pinch bolts 20 Nm (14 ft-lbs)
    
    Lower triple clamp pinch bolts.... 23 Nm (17 ft-lbs)
    
    Cap bolt 23 Nm (17 ft-lbs)
    
    Handlebars and steering stem
    
    Handlebar bracket to upper triple clamp nuts
    
    All except 1988-on XV750 not specified
    
    1988-onXV750 59 Nm (43 ft-lbs)
    
    Handlebar pinch bolts 20 Nm (14 ft-lbs)
    
    Steering stem nut 110 Nm (80 ft-lbs)
    
    Steering head bearing ring nut see Chapter 1
    
    Rear shock absorber upper bolts 20 Nm (14 ft-lbs)
    
    Rear shock absorber lower bolts/nuts 30 Nm (22 ft-lbs)
    
    Swingarm pivot shafts
    
    Left pivot shaft 100 Nm (72 ft-lbs)
    
    Right pivot shaft
    
    All except 1988-on XV750 5.5 Nm (4 ft-lbs)
    
    1988-on XV750 6 Nm (4.3 ft-lbs)
    
    Right pivot shaft nut 100 Nm (72 ft-lbs)
    
    Final drive unit to swingarm nuts
    
    All except 1988-on XV750 43 Nm (32 ft-lbs)
    
    1988-on XV750 42 Nm (30 ft-lbs)
    
    **Apply non-permanent thread locking agent to the bolt threads. 
    						
    							
    Chapter 5 Part B Steering, suspension and final drive (XV700-1100 models)
    
    5B-3
    
    2.2a Pry up the bolt cover, then remove the handlebar
    
    cover bolt and cover
    
    2.2b Remove the trim caps from the handlebar
    
    bracket Allen bolts
    
    1 General information
    
    The front forks are of the conventional coil spring, hydraulically-
    
    damped telescopic type. Fork air pressure is adjustable on all except
    
    1984 and later XV700 and XV750 models.
    
    The rear suspension on 1981 through 1983 models consists of a
    
    single shock absorber with concentric coil spring and a swingarm.
    
    Suspension damping and shock absorber air pressure are adjustable.
    
    The rear suspension on 1984 and later models consists of twin
    
    shock absorbers with concentric coil springs and a swingarm.
    
    Chain final drive is used on XV920 RH, RJ and RK models, as well as
    
    on 1981 through 1985 XV1000 (TR1) models sold in the UK. All other
    
    motorcycles covered in this Chapter use shaft final drive.
    
    2 Handlebar(s) - removal and installation
    
    All models except XV920J
    
    Refer to illustrations 2.2a through 2.26, 2.7a and 2.7b
    
    1 The handlebar is a one-piece unit thats secured to the upper
    
    triple clamp by a pair of brackets.
    
    2 To remove the handlebar from its brackets, remove the trim cover
    
    (if equipped) and remove the bolts that secure the top half of each
    
    bracket (see illustrations). Lift the handlebar out. 
    2.2c Steering head and handlebar brackets (1981 through 1983
    
    models except XV920J) - exploded view
    
    1 Upper triple clamp 18 Lower bearing bottom race
    
    2 Top bolt 19 Dust seal
    
    3 Steering stem pinch bolt 20 Steering stem/lower triple
    
    4 Fork pinch bolt clamp
    
    5 Washer 21 Bolt
    
    6 Nut 22 Washer
    
    7 Washer 23 Handlebar bracket (lower half)
    
    8 Lockwasher 24 Handlebar bracket (upper half)
    
    9 Nut 25 Bolt
    
    10 Safety clip 26 Plug (chain drive models only)
    
    11 Bearing locknut 27 Handlebar cover
    
    12 Bearing cover 28 Washer
    
    13 Upper bearing top race 29 Screw or bolt
    
    14 Upper bearing balls 30 Trim cover
    
    15 Upper bearing bottom race 31 Bearing ring nut
    
    16 Lower bearing top race 32 Cable guide
    
    17 Lower bearing balls 
    						
    							
    5B-4 
    Chapter 5 Part B Steering, suspension and final drive (XV700-1100 models)
    
    2.2d Steering head and handlebar brackets (1984
    
    and later models) - exploded view
    
    1 Handlebar bracket bolt
    
    2 Handlebar bracket (upper half)
    
    3 Handlebar bracket (lower half)
    
    4 Top nut
    
    5 Washer
    
    6 Upper triple clamp
    
    7 Washer
    
    8 Lockwasher
    
    9 Nut
    
    10 Safety clip
    
    11 Lockwasher
    
    12 Bearing locknut
    
    13 Bearing washer
    
    14 Bearing ring nut
    
    15 Bearing cover
    
    16 Upper and lower bearings
    
    17 Steering stem/lower triple clamp
    
    18 Screw
    
    19 Trim
    
    20 Bolt
    
    21 Fork brace
    
    22 Bolt
    
    23 Lockwasher
    
    24 Washer
    
    25 Cable guide
    
    26 Trim cap
    
    3 If the handlebar must be removed for access to other
    
    components, such as the forks or the steering head, its not necessary
    
    to disconnect the cables, wires or hoses, but it is a good idea to
    
    support the assembly with a piece of wire or rope, to avoid
    
    unnecessary strain on the cables, wires and the brake hose.
    
    4 If the handlebar is to be removed completely, refer to Chapter 2
    
    for clutch cable removal procedures, Chapter 6 for the brake master
    
    cylinder removal procedures, Chapter 3 for the throttle grip removal
    
    procedure and Chapter 8 for the switch removal procedure.
    
    5 To remove a bracket from the upper triple clamp, pull out the
    
    safety clip and remove the nut, lockwasher and washer, then lift the
    
    bracket out.
    
    6 Check the handlebar and brackets for cracks and distortion and
    
    replace them if any undesirable conditions are found. If the brackets 
    were removed, check their rubber mounts for brittleness or deterioration.
    
    7 Installation is the reverse of the removal steps, with the following
    
    additions:
    
    a) Make sure the arrow cast in the top half of each bracket points
    
    forward (see illustration).
    
    b) Align the dot on the handlebar with the gap in the bracket (see
    
    illustration). Tighten the nuts and bolts to the torques listed in
    
    this Chapters Specifications and be sure the gaps at the front and
    
    rear of each bracket are even.
    
    XV920J models
    
    Refer to illustrations 2.8 and 2.10
    
    8 Pry the trim piece out of the handlebar cover, then remove the 
    						
    							
    Chapter 5 Part B Steering, suspension and final drive (XV700-1100 models)
    
    5B-5
    
    2.7a The arrow mark on each handlebar bracket must point to
    
    the front of the motorcycle 
    2.7b Align the dot on the handlebar with the gap in the bracket;
    
    the gaps at front and back of the bracket must be even
    
    2.8 Handlebars (XV920J) - exploded view
    
    1 Right mounting bracket
    
    2 Left mounting bracket
    
    3 Trim plates
    
    4 Washer
    
    5 Handlebar riser retaining bolt
    
    6 Plastic cap
    
    7 Pinch bolt
    
    8 Trim plate
    
    9 Screw
    
    10 Left handlebar
    
    11 Rubber boot
    
    12 Handlebar pinch bolt
    
    13 Handlebar
    
    14 Trim cap
    
    15 Allen bolt
    
    16 Washer
    
    17 Brake lever cover
    
    18 Throttle grip
    
    19 Handlebar cover
    
    20 Washer
    
    21 Screw
    
    22 Trim piece
    
    screw, the washer and the cover (see illustration).
    
    9 Pry the plastic caps out of the handlebar riser retaining bolts, then
    
    remove the retaining bolts and washers and loosen the pinch bolts.
    
    10 Lift the handlebars off the mounting bracket (see illustration).
    
    11 If the handlebar must be removed for access to other
    
    components, such as the forks or the steering head, its not necessary
    
    to disconnect the cables, wires or hoses, but it is a good idea to
    
    support the assembly with a piece of wire or rope, to avoid
    
    unnecessary strain on the cables, wires and the brake hose. 
    12 If the handlebar is to be removed completely, refer to Chapter 2
    
    for clutch cable removal procedures, Chapter 6 for the brake master
    
    cylinder removal procedures, Chapter 3 for the throttle grip removal
    
    procedure and Chapter 8 for the switch removal procedure.
    
    13 To remove the brackets from the upper triple clamp, pull out the
    
    safety clips and remove the nuts, lockwashers and washers (see
    
    illustration 2.10), then lift the bracket out.
    
    14 Check the handlebar and bracket for cracks and distortion and
    
    replace them if any undesirable conditions are found. 
    						
    							
    5B-6 
    Chapter 5 Part B Steering, suspension and final drive (XV700-1100 models)
    
    2.10 Steering head and handlebar bracket (XV920J) -
    
    exploded view
    
    1 Upper triple clamp 14 Upper bearing top race
    
    2 Top bolt 15 Upper bearing balls
    
    3 Handlebar bracket 16 Upper bearing bottom race
    
    4 Steering stem inch bolt 17 Lower bearing top race
    
    5 Fork pinch bolt 18 Lower bearing balls
    
    6 Washer 19 Lower bearing bottom race
    
    7 Nut 20 Dust seal
    
    8 Washer 21 Steering stem/lower triple
    
    9 Lockwasher clamp
    
    10 Nut 22 Lockwasher
    
    11 Safety clip 23 Bolt
    
    12 Locknut 24 Bearing ring nut
    
    13 Bearing cover
    
    15 Installation is the reverse of the removal steps, with the following
    
    additions:
    
    a) Adjust the handlebar position (see Section 3).
    
    b) Tighten the nuts and bolts to the torques listed in this Chapters
    
    Specifications.
    
    3 Handlebar adjustment (XV920J models)
    
    1 There are two handlebar adjustments: the risers can be rotated on
    
    the bracket to one of three positions, and the handlebars themselves 
    4.13a Unbolt the headlight brackets from the lower triple clamp ...
    
    can be raised or lowered to one of three positions.
    
    2 To adjust the risers, refer to Section 2 and detach the handlebars
    
    from their bracket. Place the risers in one of the three adjustment
    
    positions, then refer to Section 2 and install the risers.
    
    3 To adjust the handlebars, remove the trim caps from the tops of
    
    the risers (see illustration 2.8). Loosen the Allen bolts that secure the
    
    handlebars in the risers and loosen the pinch bolts. Pull the handlebars
    
    out of the risers far enough to rotate them to one of the three
    
    adjustment positions, then push the handlebars all the way back in.
    
    4. Tighten the Allen bolts to the torque listed in this Chapters
    
    Specifications and install the trim caps. Warning: Dont adjust the
    
    risers or the handlebars to any position other than the three positions
    
    provided; this could cause loss of steering control.
    
    4 Steering head bearings (1981 through 1983 models) -
    
    replacement
    
    1 Ball bearings are used in the steering head of 1981 through 1983
    
    models. If the steering head bearing check/adjustment (see Chapter 1)
    
    does not remedy excessive play or roughness in the steering head
    
    bearings, the entire front end must be disassembled and the bearings
    
    and races replaced with new ones.
    
    Removal (all models except XV920J)
    
    2 Remove the front wheel (see Chapter 6).
    
    3 Refer to Section 7 and remove the front forks.
    
    4 Disconnect the negative cable from the battery to prevent an
    
    accidental short circuit while disconnecting electrical wiring.
    
    5 Cover the fuel tank with a blanket to prevent damage.
    
    6 Remove the handlebar and place it back out of the way. It
    
    shouldnt be necessary to disconnect the cables or brake hose, but if
    
    necessary, remove tie wraps to allow slack in the cables. Also, make
    
    sure the master cylinder stays upright to prevent fluid leakage.
    
    7 Remove the headlight lens (see Chapter 8) and disconnect the
    
    wiring connectors within the headlight body.
    
    XV750 models
    
    8 Remove the single screw that controls vertical adjustment of the
    
    headlight.
    
    9 Unscrew the speedometer cable from the speedometer and
    
    remove two Allen bolts that secure the instrument bracket. Pull the
    
    headlight assembly and instrument cluster forward, away from the
    
    upper triple clamp.
    
    10 Remove the fuse holder cover and detach the fuse holder from
    
    the lower triple clamp.
    
    11 Remove the left horn (see Chapter 8), then detach the brake hose
    
    from its retaining clip on the horn mounting bracket.
    
    12 Disconnect the wires from the right horn, then detach the horn
    
    mounting bracket from the lower triple clamp. 
    						
    							
    Chapter 5 Part B Steering, suspension and final drive (XV700-1100 models) 
    5B-7
    
    4.13b ... and remove the nuts that secure
    
    the headlight brackets and instrument
    
    cluster to the upper triple clamp 
    5.10a Remove the washer and the
    
    lower ring nut 
    5.10b Remove the bearing cover
    
    XV920 and XV1000 (TR1) models
    
    Refer to illustrations 4.13a and 4.13b
    
    13 Unbolt the headlight brackets from the lower triple clamp (see
    
    illustration). Remove the nut that attaches the top of each headlight
    
    bracket to the instrument cluster studs at the upper triple clamp (see
    
    illustration).
    
    14 Disconnect the speedometer cable and electrical connectors
    
    from the instrument cluster, then lift the cluster clear of the triple clamp
    
    and pull the headlight assembly forward out of the way.
    
    15 Remove the fuse holder and the horn, then unbolt the brake hose
    
    joint from the lower triple clamp without disconnecting any hydraulic
    
    lines.
    
    All models
    
    16 Check the steering stem and lower triple clamp to make sure
    
    nothing is still attaching them to the motorcycle.
    
    17 The bearing balls may fall out and be lost during the next steps.
    
    Its a good idea to place a blanket on the floor to prevent them from
    
    bouncing and rolling. Try to catch the balls with a magnet as the
    
    steering stem is lowered. This will be easier if an assistant is available.
    
    18 Loosen the steering stem pinch bolt and remove the top bolt (see
    
    illustration 2.2c). Lift the upper triple clamp away from the steering
    
    stem.
    
    19 Remove the steering stem locknut with a spanner wrench
    
    (C-spanner).
    
    20 Remove the bearing ring nut with the spanner wrench
    
    (C-spanner). Remove the upper bearing top race and collect the 19
    
    bearing balls with a magnet.
    
    21 Slowly lower the lower triple clamp away from the steering head
    
    until the lower bearing balls are exposed. Try to catch them with the
    
    magnet (there are 19).
    
    22 Lower the steering stem out of the steering head.
    
    Removal (XV920J)
    
    23 Remove the front wheel (see Chapter 6).
    
    24 Refer to Section 7 and remove the front forks.
    
    25 Disconnect the negative cable from the battery to prevent an
    
    accidental short circuit while disconnecting electrical wiring.
    
    26 Cover the fuel tank with a blanket to prevent damage.
    
    27 Detach the handlebar risers from the bracket on the upper triple
    
    clamp and lace them back out of the way (see Section 3). It shouldnt
    
    be necessary to disconnect the cables or brake hose, but if necessary,
    
    remove tie wraps to allow slack in the cables. Also, make sure the
    
    master cylinder stays upright to prevent fluid leakage.
    
    28 Remove the headlight lens (see Chapter 8) and disconnect the
    
    wiring connectors within the headlight body.
    
    29 Remove the plastic trim piece from the lower triple clamp, then
    
    unbolt the headlight bracket from the lower triple clamp.
    
    30 Remove the instrument cluster (see Chapter 8).
    
    31 Remove the top bolt and the upper triple clamp (see illustra-
    
    tion 2.10). Move the headlight assembly out of the way. 
    32 Remove the fuse holder, horns and brake hose joint from the
    
    lower triple clamp.
    
    33 Perform Steps 16 through 22 above to remove the steering stem
    
    and bearings from the steering head.
    
    Inspection
    
    This is the same as for XV535 models. Refer to Part A of this
    
    Chapter.
    
    Installation
    
    34 Installation of the bearings and steering stem in the steering head
    
    is the same as for XV535 models. Refer to Part A of this Chapter.
    
    35 Refer to Chapter 1 and adjust the bearings.
    
    36 The remainder of installation is the reverse of the removal steps.
    
    5 Steering head bearings (1984 and later models) -
    
    replacement
    
    1 Tapered roller bearings are used in the steering head of 1984 and
    
    later models. If the steering head bearing check/adjustment (see
    
    Chapter 1) does not remedy excessive play or roughness in the
    
    steering head bearings, the entire front end must be disassembled and
    
    the bearings and races replaced with new ones.
    
    Removal
    
    Refer to illustrations 5.10a, 5.10b, 5.11a and 5.11b
    
    2 Remove the front wheel (see Chapter 6).
    
    3 Refer to Section 7 and remove the front forks.
    
    4 Disconnect the negative cable from the battery to prevent an
    
    accidental short circuit while disconnecting electrical wiring.
    
    5 Cover the fuel tank with a blanket to prevent damage.
    
    6 Remove the handlebar and place it back out of the way. It
    
    shouldnt be necessary to disconnect the cables or brake hose, but if
    
    necessary, remove tie wraps to allow slack in the cables. Also, make
    
    sure the master cylinder stays upright to prevent fluid leakage.
    
    7 Remove the headlight lens (see Chapter 8) and disconnect the
    
    wiring connectors within the headlight body. Remove the headlight
    
    assembly mounting bolts, one inside the headlight body and two that
    
    attach the headlight body and brake hose joint to the lower triple
    
    clamp. Move the headlight assembly out of the way.
    
    8 Disconnect the instrument cluster electrical connectors.
    
    9 Remove the steering stem nut and lift off the upper triple clamp,
    
    together with the instrument cluster (see illustration 2.2d).
    
    10 Remove the lockwasher, bearing locknut and second washer
    
    from the steering stem. Remove the lower ring nut and bearing cover
    
    (see illustrations).
    
    11 Remove the upper bearing (see illustration), then lower the
    
    steering stem and lower triple clamp assembly out of the steering head
    
    (see illustration). If its stuck, tap gently on top of the steering stem
    
    with a plastic mallet or a hammer and a wood block. 
    						
    							
    5B-8 Chapter 5 Part B Steering, suspension and final drive (XV700-1100 models)
    
    5.11 a Lift the upper bearing out of the steering head ...
    
    5.11 b ... and lower the steering stem out of the steering head
    
    5.14 Drive out the upper race from below
    
    with a punch 
    5.15a The lower race may not leave room
    
    for a punch to be placed against it... 
    5.15b ... so instead, insert a special tool
    
    like this one into the race and expand it so
    
    it grips the race securely...
    
    Inspection and installation
    
    Refer to illustrations 5.14, 5.15a, 5.15b, 5.15c, 5.18 and 5.20
    
    12 Clean all the parts with solvent and dry them thoroughly, using
    
    compressed air, if available. If you do use compressed air, dont let the
    
    bearings spin as theyre dried - it could ruin them. Wipe the old grease
    
    out of the frame steering head and bearing races.
    
    13 Examine the races in the steering head for cracks, dents and pits.
    
    If even the slightest amount of wear or damage is evident, the races
    
    should be replaced with new ones.
    
    14 To remove the upper race, drive it out of the steering head from
    
    below with a hammer and punch (see illustration). A slide hammer
    
    with the proper internal-jaw puller will also work.
    
    15 The lower race can be removed in the same way as the upper
    
    race if theres enough room for the punch to bear against the race. If
    
    there isnt, use a puller tool which can hook the race and be locked into
    
    position (see illustrations). Tap against the tool with a hammer and
    
    punch to drive the race and tool out of the steering head (see
    
    illustration).
    
    16 Since the races are an interference fit in the frame, installation will
    
    be easier if the new races are left overnight in a refrigerator. This will
    
    cause them to contract and slip into place in the frame with very little
    
    effort. When installing the races, tap them gently into place with a
    
    hammer and punch or a large socket. Do not strike the bearing surface
    
    or the race will be damaged.
    
    17 Check the bearings for wear. Look for cracks, dents, pits in or flat
    
    spots on the bearing rollers. Replace any defective parts with new
    
    ones. If a new bearing is required, replace both of them as a set.
    
    18 Dont remove the lower bearing unless it, or the grease seal
    
    beneath it, must be replaced (see illustration). Remove the bearing 
    5.15c ... then drive out the tool and race together
    
    with a hammer and punch 
    						
    							
    Chapter 5 Part B Steering, suspension and final drive (XV700-1100 models) 
    5B-9
    
    5.18 Remove the lower bearing and its
    
    grease seal (arrow) if they need
    
    to be replaced 
    5.20 Work the grease completely
    
    into the rollers 
    6.2 Remove the plastic cap from the fork
    
    6.4 Unscrewing the air valve core on models with separate air
    
    valves will provide an opening to add fork oil
    
    from the steering stem with a bearing splitter and puller setup. These
    
    can be rented. Tap the lower bearing on with a hammer and piece of
    
    pipe the same diameter as the bearing inner race. Dont tap against the
    
    rollers or roller cage or the bearing will be ruined. As an alternative,
    
    take the steering stem to a Yamaha dealer or motorcycle repair shop
    
    and have the old bearing pressed off and a new one pressed on.
    
    19 Inspect the steering stem lower triple clamp for cracks and other
    
    damage. Dont attempt to repair any steering components. Replace
    
    them with new parts if defects are found.
    
    20 Pack the bearings with high-quality grease (preferably a moly- 
    based grease) (see illustration). Coat the outer races with grease also.
    
    21 Insert the steering stem/lower triple clamp into the steering head.
    
    Install the upper bearing and lower ring nut. Refer to Chapter 1 and
    
    adjust the bearings.
    
    22 The remainder of installation is the reverse of the removal steps.
    
    6 Fork oil change
    
    Refer to illustrations 6.2, 6.4, 6.5a, 6.5b, 6.6, 6.7, 6.9, 6.12 and 6.14
    
    1 Support the bike securely so it cant be knocked over during this
    
    procedure. Place it on the centerstand (if equipped). The front wheel
    
    must be raised off the ground using a jack and wood support under the
    
    crankcase, or with axle stands.
    
    2 On all except XV920J models, remove the plastic fork caps (see
    
    illustration).
    
    3 On all except XV700 models, press on the air valve with a small
    
    screwdriver or similar tool to release the fork air pressure.
    
    4 If youre working on an XV920 K or MK, the easiest way to make
    
    an opening for the new fork oil is to unscrew the air valve core with a
    
    core removal tool (see illustration). As an alternative, unscrew the air
    
    valve itself.
    
    5 If youre working on a 1981 through 1983 XV750, a chain drive
    
    XV920 or a TR1, press down the spring seat with a socket that will fit
    
    over the air valve. Use an extension-on the socket so you can grip it (see
    
    illustration). Remove the stopper ring, then slowly release the spring
    
    pressure and lift out the spring seat and spring (see illustration).
    
    6 Loosen the upper triple clamp pinch bolts (see illustration).
    
    7 If youre working on an XV920J, unscrew the fork cap (see
    
    illustration).
    
    8 On all other models, unscrew the fork cap with an Allen bolt bit.
    
    6.5a Push the fork cap down against the
    
    spring pressure with an extension and a
    
    socket big enough to fit over the air valve 
    6.5b Remove the retainer, then remove
    
    the fork cap and spring 
    6.6 Loosen the upper triple clamp bolts
    
    (arrow); 1994 1100 model shown 
    						
    							
    5B-10 
    Chapter 5 Part B Steering, suspension and final drive (XV700-1100 models)
    
    6.7 On XV920J models, unscrew the fork
    
    cap; it should sit like this before its
    
    installed - if it sits higher, reposition
    
    the end of the damping adjusting rod 
    6.9 Remove the drain screw from the
    
    bottom of the fork leg 
    6.12 Add the specified amount of fork oil
    
    6.14 Pour the specified amount of oil into the top of the fork - on
    
    later models, measure the oil level and adjust it as needed 
    7.7a Remove the trim screw (A); remove the trim caps (B), then
    
    loosen the lower triple clamp bolts
    
    Note: If you dont have an Allen bolt bit of the correct size, use a bolt with
    
    a head size that fits into the fork cap. Turn the bolt with locking pliers.
    
    9 Place a drain pan under the fork leg and remove the drain screw
    
    (see illustration). Warning: Do not allow the fork oil to contact the tire,
    
    brake disc or pads. If it does, wash off the tire, clean the disc with brake
    
    system cleaner and replace the pads with new ones before riding the
    
    motorcycle.
    
    10 After most of the oil has drained, slowly compress and release the
    
    forks to pump out the remaining oil. An assistant will most likely be
    
    required to do this.
    
    11 Check the drain screw gasket and spring seat O-ring (if equipped)
    
    for damage and replace them if necessary. Clean the threads of the
    
    drain screw with solvent and let it dry, then install the screw and
    
    gasket, tightening it securely.
    
    12 Pour the type and amount of fork oil, listed in this Chapters
    
    Specifications, into the fork tube through the opening at the top (see
    
    illustration).
    
    13 Remove the jack from under the engine and slowly pump the
    
    forks a few times to purge the air.
    
    14 If fork oil level is specified for the bike youre working on, measure
    
    the level of the oil in the fork with the fork fully compressed and without
    
    the spring in position (see illustration). Compare it to the value listed
    
    in this Chapters Specifications. Add or remove oil as necessary, then
    
    install the spring.
    
    15 If youre working on a 1981 through 1983 XV750, coat the O-ring
    
    on the spring seat with a thin layer of multi-purpose grease. Install the
    
    spring seat and stopper ring (see illustrations 3.4a and 3.4b in Part A
    
    of this Chapter). 
    16 If youre working on an XV920J, install the cap bolt assembly (see
    
    illustration 6.7). Caution: The cap bolt should sit as shown in the
    
    illustration before you try to screw it in. If it sits higher, the damping
    
    adjusting rod is out of position. Turn the cap bolt so the bottom end at
    
    the damping adjusting rod engages the semicircular hole in the top o
    
    the damper rod inside the fork. Forcing the cap bolt in when it sits too
    
    high will ruin the damping adjuster.
    
    17 On all other models, install the fork cap and tighten it to the
    
    torque listed in this Chapters Specifications.
    
    18 The remainder of installation is the reverse of the removal steps.
    
    Tighten all fasteners to the torque listed in this Chapters Specifications.
    
    19 On models with air valves, adjust fork air pressure (see Chapter 1).
    
    7 Forks - removal and installation
    
    Removal
    
    Refer to illustrations 7.7a through 7.7e
    
    1 Support the bike securely so it cant be knocked over during this
    
    procedure. Place it on the centerstand (if equipped).
    
    2 Place a jack under the engine and raise it slightly to lift the fron:
    
    tire off the ground.
    
    3 Remove the brake caliper and front wheel (see Chapter 6).
    
    4 Remove the front fender (see Chapter 7).
    
    5 Remove any wiring harness clamps or straps from the fork tubes.
    
    6 If the fork will be disassembled after removal, read through the
    
    disassembly procedure (see Section 8), paying special attention to the
    
    damper rod bolt removal steps. If you dont have the necessary specia 
    						
    							
    Chapter 5 Part B Steering, suspension and final drive (XV700-1100 models)
    
    5B-11
    
    7.7b Front forks (XV750 and XV920 K and MK models) - exploded view
    
    1 Outer fork tube 17 O-ring (XV750)
    
    2 Drain screw 18 Air valve (XV750)
    
    3 Gasket 19 Cap (XV750)
    
    4 Oil seal 20 Bolt
    
    5 Retainer 21 Nut
    
    6 Dust seal 22 Lockwasher
    
    7 Damper rod seat 23 Bolt
    
    8 Inner fork tube 24 Air charging hose (XV920)
    
    9 Damper rod 25 O-ring (XV920)
    
    10 Rebound spring 26 Air valve (XV920)
    
    11 Fork spring 27 O-ring (XV920)
    
    12 O-ring (XV920) 28 Left air hose union
    
    13 Top bolt (XV920) 29 O-ring (XV920)
    
    14 Plastic cap (XV920) 30 Seal (XV920)
    
    15 Fork cap (XV750) 31 Retainer (XV920)
    
    16 Retainer (XV750) 32 Right air hose union
    
    tool or a substitute for it, you can remove the damper rod bolt before
    
    the fork is disassembled, while the spring tension will keep the damper
    
    rod from spinning inside the fork tube. This is also a good time to
    
    loosen the fork top bolt (if equipped), as it will eliminate the need to
    
    clamp the fork tube in a vise after its removed.
    
    7 Loosen the upper triple clamp bolts (see illustration 6.5b).
    
    Remove the trim cover and loosen the lower triple clamp bolts (see
    
    illustrations), then slide the fork tubes down and remove the forks
    
    from the motorcycle.
    
    7.7c Front forks (chain drive XV920 and XV1000/TR1 models) -
    
    exploded view
    
    1 Outer fork tube 16 Steering stem/lower
    
    2 Oil seal triple clamp
    
    3 Retainer 17 Bolt
    
    4 Damper rod seat 18 Washer
    
    5 Inner fork tube 19 Lockwasher
    
    6 Dust seal 20 Nut
    
    7 Rebound spring 21 Bolt
    
    8 Damper rod 22 Washer
    
    9 Spring 23 Lockwasher
    
    10 O-ring 24 Nut
    
    11 Top plug 25 Damper rod bolt
    
    12 Retainer 26 Copper washer
    
    13 O-ring 27 Drain plug
    
    14 Air valve 28 Gasket
    
    15 Cap 
    						
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