Yamaha TMAX 2020 Service Manual

5-59CLUTCHEAS30348CHECKING THE FRICTION PLATESThe following procedure applies to all of the fric-tion plates.1. Check:• Friction plateDamage/wear  Replace the friction platesand clutch plates as a set.2. Measure:• Friction plate thicknessOut of specification  Replace the frictionplates and clutch plates as a set.TIPMeasure the friction plate at four places.EAS30349CHECKING THE CLUTCH PLATESThe following procedure applies to all of theclutch plates.1. Check:• Clutch plateDamage  Replace the clutch plates andfriction plates as a set.2. Measure:• Clutch plate warpage(with a surface plate and thickness gauge)Out of specification  Replace the clutchplates and friction plates as a set.• Clutch plate thicknessOut of specification  Replace the clutchplates and friction plates as a set.TIPMeasure the clutch plate 2 at four places.EAS31442CHECKING THE CLUTCH DAMPERSPRINGSThe following procedure applies to all of theclutch damper springs.1. Check:• Clutch damper springDamage  Replace.2. Measure:• Clutch damper spring free height “a”Out of specification  Replace the clutchdamper springs as a set.Friction plate thickness2.92–3.08 mm (0.115–0.121 in)Wear limit2.82 mm (0.111 in)Thickness gauge90890-03268Feeler gauge setYU-26900-9Clutch plate 1 thickness1.30–1.50 mm (00.51–0.059 in)Warpage limit0.10 mm (0.004 in)Clutch plate 2 thickness1.80–2.00 mm (00.71–0.079 in)Warpage limit0.10 mm (0.004 in)Wear limit1.75 mm (0.069 in)A. Clutch plate 1B. Clutch plate 2Clutch damper spring height3.50 mm (0.14 in)Minimum height3.10 mm (0.12 in)a