Yamaha YZF-R1(B) 2012 Service Manual

Also see for YZF-R1 2012: Service manual

Contents

CLUTCH5-64▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼a. Assembly width adjusted by clutch plate “1”and “2”.b. Select the clutch plate from the followingtable.TIPWhen adjusting the clutch assembly width [byreplacing the clutch plate(s)], be sure toreplace the clutch plate “1” fast.After replacing the clutch plate “1”, if specifica-tions cannot be met, replace the clutch plate“2”.▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲EAS25140CHECKING THE CLUTCH SPRINGSThe following procedure applies to all of theclutch springs.1. Check:• Clutch springDamage → Replace the clutch springs asa set.2. Measure:• Clutch spring free length “a”Out of specification → Replace the clutchsprings as a set.EAS25150CHECKING THE CLUTCH HOUSING1. Check:• Clutch housing dogsDamage/pitting/wear → Deburr the clutchhousing dogs or replace the clutch hous-ing.TIPPitting on the clutch housing dogs will causeerratic clutch operation.2. Check:• BearingDamage/wear → Replace the bearingand clutch housing.Clutch plate “1”Part No. Thickness4B1-16324-00 1.6 mm (0.063 in)5VY-16325-00 2.0 mm (0.079 in) STD4B1-16325-00 2.3 mm (0.091 in)Clutch plate “2”Part No. Thickness5VY-16325-00 2.0 mm (0.079 in) STD4B1-16325-00 2.3 mm (0.091 in)Clutch spring free length43.80 mm (1.72 in)Limit41.61 mm (1.64 in)