Yamaha SR400 2014 Service Manual

TRANSMISSION5-57EAS26250REMOVING THE TRANSMISSION1. Remove:• Stopper cam assembly2. Remove:• Drive axle assembly “1”• Main axle assembly “2”TIPRemove the drive axle assembly and the mainaxle assembly simultaneously.EAS26260CHECKING THE SHIFT FORKSThe following procedure applies to all of the shiftforks.1. Check:• Shift fork cam follower “1”• Shift fork pawl “2”Bends/damage/scoring/wear  Replace theshift fork.2. Check:• Shift fork guide barRoll the shift fork guide bar on a flat surface.Bends  Replace.WARNINGEWA12840Do not attempt to straighten a bent shift forkguide bar.3. Check:• Shift fork movement(along the shift fork guide bar)Rough movement  Replace the shift forksand shift fork guide bar as a set.EAS26270SHIFT DRUM ASSEMBLY1. Check:• Shift drum grooveDamage/scratches/wear  Replace the shiftdrum assembly.• Shift drum segment “1”Damage/wear  Replace the shift drum seg-ment.• Shift drum bearingDamage/pitting  Replace the shift drumbearing.1 21