Yamaha YZ125 Owner's Manual

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CHASSIS3-20TIPAlthough the total number of clicks of a dampingforce adjusting mechanism may not exactlymatch the above specifications due to small dif-ferences in production, the actual number ofclicks always represents the entire adjustingrange. To obtain a precise adjustment, it wouldbe advisable to check the number of clicks ofeach damping force adjusting mechanism andto modify the specifications as necessary.Air bleeding from front forkTIPIf the front fork initial movement feels stiff duringa run, relieve the front fork internal pressure.1. Use a maintenance stand to raise the frontwheel off the ground.WARNINGEWA13120Securely support the vehicle so that there isno danger of it falling over.2. Remove the bleed screw “1” and release theinternal pressure from the front fork.3. Tighten:• Bleed screwEAM30482CHECKING THE REAR SHOCK ABSORBERASSEMBLY1. Stand the vehicle upright on a level surface.WARNINGEWA13120Securely support the vehicle so that there isno danger of it falling over.2. Check:• Rear shock absorber assemblyGas leaks/oil leaks  Replace the rear shockabsorber assembly.Refer to “REAR SHOCK ABSORBER AS-SEMBLY” on page 4-27.3. Check:• Rear shock absorber assembly smooth ac-tion• Rear suspension link smooth actionSit astride the seat and shake your body upand down several times to check whether therear shock absorber assembly operatessmoothly.Unsmooth operation  Correct or replace.EAM30242ADJUSTING THE REAR SHOCK ABSORBERASSEMBLYUse a maintenance stand to raise the rear wheeloff the ground.WARNINGEWA13120Securely support the vehicle so that there isno danger of it falling over.Spring preloadNOTICEECA24360Do not turn the adjuster forcibly beyond itsadjusting range.Direction “a”Compression damping is increased(suspension is harder).Direction “b”Compression damping is decreased(suspension is softer).Compression dampingMinimum (soft)20 click(s) in direction “b”*Standard12 click(s) in direction “b”*Maximum (hard)0 click(s) in direction “b”** With the adjusting screw fully turned in di-rection “a”Bleed screw (front fork)1.3 N·m (0.13 kgf·m, 0.95 lb·ft)T R..