Yamaha Yzf R1 2007 Manual

SWINGARM
4-69
NOTE:
Loosen the swingarm pivot shaft with the 
damper rod holder (22 mm) “2”.
EAS23360
CHECKING THE SWINGARM
1. Check:
 Swingarm
Bends/cracks/damage → Replace.
2. Check:
 Pivot shaft
Roll the pivot shaft on a flat surface.
Bends → Replace.
WARNING
EWA13770
Do not attempt to straighten a bent pivot 
shaft.
3. Wash:
 Pivot shaft
Dust covers
SpacerWashers
 Bearings
4. Check:
 Dust covers “1”
 Spacer “2”
 Washer “3”
Damage/wear → Replace.
 Bearings “4”
Damage/pitting → Replace....

SWINGARM
4-70
3. Install:
 Pivot shaft “1”
NOTE:
Tighten the pivot shaft with the damper rod 
holder (22 mm) “2”.
4. Install:
 Pivot shaft ring nut “1”
NOTE:
 Lubricate the pivot ring nut threads and mat-
ing surfaces with lithium-soap-based grease.
 Tighten the pivot shaft ring nut with the ring 
nut wrench “2”.5. Install:
 Pivot shaft nut “1”
NOTE:
Lubricant the pivot shaft nut threads and mat-
ing surfaces with lithium-soap-based grease.
6. Adjust:
 Drive chain slack
Refer to ADJUSTING THE DRIVE...

CHAIN DRIVE
4-71
EAS23400
CHAIN DRIVE
Removing the drive chain
Order Job/Parts to remove Q’ty Remarks
Swingarm Refer to SWINGARM on page 4-66.
1 Drive chain guard 1
2Drive chain 1
For installation, reverse the removal proce-
dure. 

CHAIN DRIVE
4-72
EAS23410
REMOVING THE DRIVE CHAIN
1. Stand the vehicle on a level surface.
WARNING
EWA13120
Securely support the vehicle so that there 
is no danger of it falling over.
NOTE:
Place the vehicle on a suitable stand so that 
the rear wheel is elevated.
2. Remove:
 Drive chain
(with the drive chain cutter)
EAS23440
CHECKING THE DRIVE CHAIN
1. Measure:
 Measure the dimension between 15-links 
on the inner side “a” and outer side “b” of 
the roller and calculate the dimension 
between pin...

CHAIN DRIVE
4-73
▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲
4. Check:
 O-rings “1”
Damage → Replace the drive chain.
 Drive chain rollers “2”
Damage/wear → Replace the drive chain.
 Drive chain side plates “3”
Damage/wear/cracks → Replace the drive 
chain.
5. Lubricate:
 Drive chain
6. Check:
 Drive sprocket
 Rear wheel sprocket
More than 1/4 tooth “a” wear → Replace 
the drive chain sprockets as a set.
Bent teeth → Replace the drive chain 
sprockets as a set.
EAS23470
CHECKING THE REAR WHEEL SPROCKET
Refer to...

CHAIN DRIVE
4-74
CAUTION:
ECA14300
Never install a new drive chain onto worn 
drive chain sprockets; this will dramatically 
shorten the drive chain’s life.
3. Adjust:
 Drive chain slack
Refer to ADJUSTING THE DRIVE CHAIN 
SLACK on page 3-26
CAUTION:
ECA13550
A drive chain that is too tight will overload 
the engine and other vital parts, and one 
that is too loose can skip and damage the 
swingarm or cause an accident. Therefore, 
keep the drive chain slack within the speci-
fied limits.
Drive chain...

CHAIN DRIVE
4-75 

ENGINE
ENGINE REMOVAL...................................................................................... 5-1
INSTALLING THE ENGINE .................................................................... 5-7
CAMSHAFTS ................................................................................................ 5-9
REMOVING THE CAMSHAFTS ........................................................... 5-11
CHECKING THE CAMSHAFTS ........................................................... 5-12
CHECKING THE...

CHECKING THE CLUTCH PLATES ..................................................... 5-48
CHECKING THE CLUTCH SPRINGS .................................................. 5-49
CHECKING THE CLUTCH HOUSING ................................................. 5-49
CHECKING THE CLUTCH BOSS ........................................................ 5-49
CHECKING THE PRESSUR PLATE 2 ................................................. 5-50
CHECKING THE PRESSURE PLATE 1 ............................................... 5-50...

CHECKING THE TRANSMISSION ...................................................... 5-90
INSTALLING THE TRANSMISSION ..................................................... 5-91