wheel alignment YAMAHA YZF-R1 2008 Owners Manual

PERIODIC MAINTENANCE AND MINOR REPAIR
6-3
6
10*TiresCheck tread depth and for damage.
Replace if necessary.
Check air pressure.
Correct if necessary.√√√√ √
11*Wheel bearingsCheck bearing for looseness or damage.√√√√
12*SwingarmCheck operation and for excessive play.√√√√
Lubricate with lithium-soap-based grease. Every 50000 km
13 Drive chainCheck chain slack, alignment and condition.
Adjust and lubricate chain with a special O-ring chain lu-
bricant thoroughly. Every 800 km and after washing the motorcycle or
riding in the rain
14*Steering bearingsCheck bearing play and steering for roughness.√√√√√
Lubricate with lithium-soap-based grease. Every 20000 km
15*Steering damperCheck operation and for oil leakage.√√√√
16*Chassis fastenersMake sure that all nuts, bolts and screws are properly
tightened.√√√√ √
17 Brake lever pivot shaftLubricate with silicone grease.√√√√ √
18 Clutch lever pivot shaftLubricate with lithium-soap-based grease.√√√√ √
19 Shift pedal rod pivotsLubricate with lithium-soap-based grease.√√√√ √
20 SidestandCheck operation.
Lubricate.√√√√ √
21*Sidestand switchCheck operation.√√√√√ √
22*Front forkCheck operation and for oil leakage.√√√√
23*Shock absorber assem-
blyCheck operation and shock absorber for oil leakage.√√√√ NO. ITEM CHECK OR MAINTENANCE JOBODOMETER READING (× 1000 km)
ANNUAL
CHECK
1 10203040
U4C8E1E0.book Page 3 Wednesday, June 13, 2007 9:24 AM

PERIODIC MAINTENANCE AND MINOR REPAIR
6-25
6
EAU22760
Drive chain slack The drive chain slack should be
checked before each ride and adjusted
if necessary.
EAU22773
To check the drive chain slack
1. Place the motorcycle on the side-
stand.NOTE:When checking and adjusting the drive
chain slack, there should be no weighton the motorcycle.
2. Shift the transmission into the neu-
tral position.
3. Move the rear wheel by pushing
the motorcycle to locate the tight-
est portion of the drive chain, and
then measure the drive chain slack
as shown.4. If the drive chain slack is incorrect,
adjust it as follows.
EAU34311
To adjust the drive chain slack
1. Loosen the axle nut and the lock-
nut on each side of the swingarm.
2. To tighten the drive chain, turn the
adjusting bolt on each side of the
swingarm in direction (a). To loos-
en the drive chain, turn the adjust-
ing bolt on each side of the
swingarm in direction (b), and then
push the rear wheel forward.
NOTE:Using the alignment marks on each
side of the swingarm, make sure that
both chain pullers are in the same posi-tion for proper wheel alignment.CAUTION:
ECA10570
Improper drive chain slack will over-
load the engine as well as other vital
parts of the motorcycle and can lead
to chain slippage or breakage. To
prevent this from occurring, keep
the drive chain slack within thespecified limits.
Drive chain slack:
30.0–40.0 mm (1.18–1.57 in)
1. Drive chain slack
1. Axle nut
2. Drive chain slack adjusting bolt
3. Locknut
4. Alignment marks
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