Yamaha Fz1n Service Manual

CABLE ROUTING
2-54
1. Fuel tank
2. Fuel tank drain hose
3. Fuel tank breather hose
4. Clip
5. Air filter bracket
6. 3 way connector
7. Hose
8. Fuel hose
9. Damper
10.Collar
11.Fuel tank bracket
12.O-ring
13.Fuel pump
A. Hook the cover pawl to the fuel tank bracket.
B. The knob of the clip can be positioned in  any direction.
C. Assemble the two fold ing sections of the 
collar flange as shown in the illustration.
D. Fit the knob of the clip as shown in the  illustration.
E. Fit the white paint section...

CABLE ROUTING
2-55 

3
PERIODIC CHECKS AND ADJUSTMENTS
PERIODIC MAINTENANCE......................................................................... 3-1
INTRODUCTION .................................................................................... 3-1
ENGINE ......................................................................................................... 3-4
ADJUSTING THE VALVE CLEARANCE ................................................ 3-4
SYNCHRONIZING THE THROTTLE BODIES ..........................................

LUBRICATING THE CENTERSTAND (FZ1-S) ..................................... 3-34
LUBRICATING THE REAR SUSPENSION .......................................... 3-34
ELECTRICAL SYSTEM .............................................................................. 3-35
CHECKING AND CHARGING THE BATTERY..................................... 3-35
CHECKING THE FUSES...................................................................... 3-35
REPLACING THE HEADLIGHT BULBS..................................................

PERIODIC MAINTENANCE
3-1
EAS20450
PERIODIC MAINTENANCE
EAS20460
INTRODUCTION
This chapter includes all information necessary to perform recommended checks and adjustments. 
If followed, these preventive maintenance procedures will ensure more reliable vehicle operation, a 
longer service life and reduce the need for costly overhaul work. This information applies to vehicles 
already in service as well as to new vehicles that  are being prepared for sale. All service technicians 
should be familiar with...

PERIODIC MAINTENANCE
3-2
13 Drive chain Check chain slack, alignment and 
condition.
 Adjust and lubricate chain with a  special O-ring chain lubricant thor-
oughly. Every 1000 km and after wash-
ing the motorcycle or riding in  the rain
14 * Steering bear-
ings  Check bearing play and steering for 
roughness. ✓✓✓✓✓
 Lubricate with lithium-soap-based  grease. Every 20000 km
15 * Chassis fasten-
ers  Make sure that all nuts, bolts and 
screws are properly tightened. ✓✓✓✓ ✓
16 Sidestand  Check...

PERIODIC MAINTENANCE
3-3
NOTE:
 Air filter This model’s air filter is equipped with a dispos able oil-coated paper element, which must not be 
cleaned with compressed air to avoid damaging it.
 The air filter element needs to be replaced more frequently when riding in unusually wet or dusty  areas.
 Hydraulic brake service
 Regularly check and, if necessary, correct the brake fluid level.
 Every two years replace the internal components of  the brake master cylinders and calipers, and 
change the...

ENGINE
3-4
EAS20470
ENGINE
EAS20490
ADJUSTING THE VALVE CLEARANCE
The following procedure applies to all of the 
valves.
NOTE:
 Valve clearance adjustment should be made on a cold engine, at room temperature.
 When the valve clearance is to be measured  or adjusted, the piston must be at top dead 
center (TDC) on the compression stroke.
1. Remove:  Rider and passenger seatRefer to GENERAL CHASSIS on page 4-
1.
Fuel tank
Refer to FUEL TANK on page 7-1.
 Air filter case Refer to GENERAL CHASSIS on...

ENGINE
3-5
d. To measure the valve clearances of the other cylinders, starting with cylinder #1 at 
TDC, turn the crankshaft counterclockwise 
as specified in the following table.
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5. Remove: Camshaft
NOTE:
 Refer to CAMSHAFTS on page 5-10.
 When removing the timing chain and cam-shafts, fasten the timing chain with a wire to 
retrieve it if it falls into the crankcase. 6. Adjust:
 Valve clearance
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a. Remove the valve lifter “1” and the...