Yamaha YZF-R1B 2012 Service Manual

Also see for YZF-R1 2012: Service manual

Contents

CLUTCH5-65EAS25160CHECKING THE CLUTCH BOSS1. Check:• Clutch boss splinesDamage/pitting/wear → Replace theclutch boss.TIPPitting on the clutch boss splines will causeerratic clutch operation.EAS25170CHECKING THE PRESSURE PLATE1. Check:• Pressure plate 1 “1”• Pressure plate 2 “2”Cracks/damage → Replace.• Bearing “3”Damage/wear → Replace.EAS25200CHECKING THE PRIMARY DRIVE GEAR1. Check:• Primary drive gearDamage/wear → Replace the crankshaftand clutch housing as a set.Excessive noise during operation →Replace the crankshaft and clutch hous-ing as a set.EAS25210CHECKING THE PRIMARY DRIVEN GEAR1. Check:• Primary driven gear “1”Damage/wear → Replace the clutchhousing and crankshaft as a set.Excessive noise during operation →Replace the clutch housing and crank-shaft as a set.EAS25220CHECKING THE PULL LEVER SHAFT ANDPULL ROD1. Check:• Pull lever shaft pinion gear teeth “1”• Pull rod teeth “2”Damage/wear → Replace the pull rodand pull lever shaft as a set.2. Check:• Pull rod bearingDamage/wear → Replace.EAS25240INSTALLING THE CLUTCH1. Install:• Washer• Bearing• Clutch housing assembly “1”• Thrust washer• Conical spring washerECA14B1019Make sure to fit the projections “a” of theoil pump drive sprocket to the concave “b”of the clutch housing assembly.TIPWhen installing the clutch housing assembly,turn the crankshaft so that the crankshaft web“c” cannot be seen.Manuals by Motomatrix / www.motomatrix.co.uk / The Solution For Lost Motorcycle Coded Keysemail: info@motomatrix.co.uk