Yamaha YZF-R1B 2012 Service Manual

Also see for YZF-R1 2012: Service manual

Contents

TRANSMISSION5-963. Check:• Shift fork movement(along the shift fork guide bar)Rough movement → Replace the shiftforks and shift fork guide bar as a set.EAS26270CHECKING THE SHIFT DRUM ASSEMBLY1. Check:• Shift drum grooveDamage/scratches/wear → Replace theshift drum assembly.• Shift drum segment “1”Damage/wear → Replace the shift drumassembly.• Shift drum bearing “2”Damage/pitting → Replace the shift drumassembly.EAS26300CHECKING THE TRANSMISSION1. Measure:• Main axle runout(with a centering device and dial gauge“1”)Out of specification → Replace the mainaxle.2. Measure:• Drive axle runout(with a centering device and dial gauge“1”)Out of specification → Replace the driveaxle.3. Check:• Transmission gearsBlue discoloration/pitting/wear →Replace the defective gear(s).• Transmission gear dogsCracks/damage/rounded edges →Replace the defective gear(s).Main axle runout limit0.08 mm (0.0032 in)Drive axle runout limit0.08 mm (0.0032 in)Manuals by Motomatrix / www.motomatrix.co.uk / The Solution For Lost Motorcycle Coded Keysemail: info@motomatrix.co.uk