Yamaha YZ250 2021 Owner's Manual

CHASSIS3-24TIP• Do not give a half turn (180) or more for onetightening.• Make sure that tightening after a break-in isdone until the initial looseness in nipples disap-pears.• Make sure that tightening is done in stages, notat a time.EAM30245CHECKING THE WHEELS1. Check:• WheelDamage/out-of-round  Replace.WARNINGEWA13260Never attempt to make any repairs to thewheel.TIPAfter replacing a tire or a wheel, always balancethe wheel.EAM30253CHECKING THE CHASSIS FASTENERSMake sure that all nuts, bolts, and screws areproperly tightened.Refer to “CHASSIS TIGHTENING TORQUES”on page 2-10.EAM30248CHECKING AND LUBRICATING THECABLESThe following procedure applies to all of the in-ner and outer cables.WARNINGEWA13270Damaged outer cable may cause the cable tocorrode and interfere with its movement. Re-place damaged outer cable and inner cablesas soon as possible.1. Check:• Outer cableDamage  Replace.2. Check:• Cable operationRough movement  Lubricate.TIPHold the cable end upright and pour a few dropsof lubricant into the cable sheath or use a suit-able lubricating device.EAM30483LUBRICATING THE BRAKE LEVER1. Lubricate the pivoting points and metal-to-metal moving parts of the following parts.• Brake leverEAM30503LUBRICATING THE CLUTCH LEVER1. Lubricate the pivoting points and metal-to-metal moving parts of the following parts.• Clutch leverEAM30250LUBRICATING THE PEDAL1. Lubricate the pivoting point and metal-to-met-al moving parts of the pedal.EAM30504CHECKING THE SIDESTAND (for YZ250X)1. Check:• Sidestand operationCheck that the sidestand moves smoothly.Rough movement  Repair or replace.Spoke nipple wrench (6–7)90890-01521Spoke nipple wrench (6–7)YM-01521Nipple (spoke)2.5 N·m (0.25 kgf·m, 1.8 lb·ft)1G089060T R..Recommended lubricantEngine oil or a suitable cable lu-bricantRecommended lubricantSilicone greaseRecommended lubricantLithium-soap-based greaseRecommended lubricantLithium-soap-based grease