Yamaha SR400 2014 Service Manual

FRONT WHEEL4-7EAS21890REMOVING THE FRONT WHEEL1. Stand the vehicle on a level surface.WARNINGEWA13120Securely support the vehicle so that there isno danger of it falling over.TIPPlace the vehicle on a suitable stand so that thefront wheel is elevated.2. Loosen:• Axle holder nut3. Remove:• Speedometer cable• Wheel axle nut• Wheel axle• Front wheelEAS21932CHECKING THE FRONT WHEEL1. Check:• Wheel axleRoll the wheel axle on a flat surface.Bends  Replace.WARNINGEWA13460Do not attempt to straighten a bent wheel ax-le.2. Check:• Tire• Front wheelDamage/wear  Replace.Refer to “CHECKING THE TIRES” on page3-16 and “CHECKING THE WHEELS” onpage 3-15.3. Check:• SpokeBends/damage  Replace.Loose  Tighten.Refer to “CHECKING AND TIGHTENINGTHE SPOKES” on page 3-15.TIPAfter tightening the spokes, measure the frontwheel runout.4. Measure:• Front wheel radial runout “a”• Front wheel lateral runout “b”Over the specified limits  Replace.5. Check:• CollarDamage/wear  Replace.WARNINGEWA2RD1007• Immediately after tires are replaced withnew ones, drive carefully until getting usedto the travelling feeling given by the newtires and the tires uniformly settle into thetire rims. Failure to follow this practice mayresult in injury to the driver and passengeror damage to the vehicle.• If tires are repaired or replaced, be sure totighten the valve stem locknuts.6. Check:• Wheel bearingFront wheel turns roughly or is loose  Re-place the wheel bearings.7. Replace:• Wheel bearing• Oil sealRadial wheel runout limit1.0 mm (0.04 in)Lateral wheel runout limit0.5 mm (0.02 in)abNewNew