wheel alignment YAMAHA YFM660R 2004 Owners Manual

8-7
EBU00262
PERIODIC MAINTENANCE/LUBRICATION
ITEM ROUTINEINITIAL EVERY
1
month3
months6
months6
months1
year
Valves*• Check valve clearance.
 Adjust if necessary.
Cooling system Check coolant leakage.
 Repair if necessary.
 Replace coolant every 24 months.Spark plug Check condition.
 Adjust gap and clean.
 Replace if necessary.Air filter element Clean.
 Replace if necessary.Every 20–40 hours
(More often in wet or dusty areas.)
Carburetor* Check starter (choke) operation.
 Adjust engine idling speed.Crankcase breather
system* Check breather hose for cracks or damage.
 Replace if necessary.Exhaust system* Check for leakage.
 Tighten if necessary.
 Replace gasket if necessary.Fuel line* Check fuel hose for cracks or damage.
 Replace if necessary.Engine oil
 Replace. (Warm engine before draining.)Engine oil filter cartridge
 Replace.Drive chain
 Check and adjust slack/alignment/clean/lube.Front brake* Check free play/operation/fluid leakage/
See NOTE Page 8-8.
 Correct if necessary.Rear brake* Check operation/fluid leakage/See NOTE Page 8-8.
 Correct if necessary.Clutch* Check operation.
 Adjust if necessary.Wheels* Check balance/damage/runout.
 Replace if necessary.E-8.fm Page 7 Tuesday, March 11, 2003 2:06 PM

8-85 1. Upper wheel hub nut 2. Lower wheel hub nut
1.Écrou supérieur de moyeu de roue
2.Écrou inférieur de moyeu de roue
1. Tuerca superior del cubo de la rueda
2. Tuerca inferior del cubo de la rueda
1. Locknut (× 2) 2. Adjusting bolt (× 2)
3. Alignment marks
1. Contre-écrou (× 2) 2. Boulon de réglage (× 2)
3. Repères d’alignement
1. Contratuerca (× 2) 2. Perno de ajuste (× 2)
3. Marcas de alineación
EBU01194
Drive chain slack adjustment
1. Loosen the rear wheel hub upper and lower
nuts.
2. Loosen the locknuts on each side of the swin-
garm. To tighten the drive chain, turn the ad-
justing bolts in direction
a. To loosen the
drive chain, turn the adjusting bolts in direc-
tion
b and push the wheels forward. Turn
each adjusting bolt exactly the same amount
to maintain correct axle alignment.NOTE:_ There are alignment marks on each side of the
swingarm and on the hub. Use them to check for
proper wheel axle alignment. _3. After adjusting, tighten the locknuts and the
wheel hub nuts to the specified torques.
Tightening torques:
Locknut:
16 Nm (1.6 m·kgf)
Upper wheel hub nut:
90 Nm (9.0 m·kgf)
Lower wheel hub nut:
90 Nm (9.0 m·kgf)
U5LP63.book Page 85 Monday, March 10, 2003 2:06 PM