Difficulties In Shifting; Shifting Impossible; The Shift Pedal Fails To Move; Disengaging Gears - Yamaha TT600R Service Manual

DIFFICULTIES IN SHIFTING

SHIFTING IMPOSSIBLE

Clutch
Engine oil

THE SHIFT PEDAL FAILS TO MOVE

Shift shaft
Shift cam, shift fork
Transmission

DISENGAGING GEARS

Shift shaft
Shift fork
Shift cam
Transmission
DIFFICULTIES IN SHIFTING
PROBABLE CAUSES
•
Clutch cable wrongly set
•
Wrong position of push lever
•
Irregular engagement of push lever and push
rod
•
Pressure plate deformed
•
Clutch springs not preloaded uniformly
•
Reference marks not aligned
•
Push rod broken
•
Clutch gear assy nut loose or push rod deformed
•
Primary driven gear bearing defective
•
Driven plates deformed
•
Driving plates deformed
•
Clutch cable damaged
•
Oil level over maximum
•
Incorrect gradation (high viscosity)
•
Degradation
PROBABLE CAUSES
•
Shift shaft deformed
•
Groove with impurities or foreign bodies
•
Shift fork stuck
•
Shift fork guide bar deformed
•
Transmission gears struck
•
Gears stuck by impurities or foreign bodies
•
Wrong transmission assembly
PROBABLE CAUSES
•
Shift lever set wrongly
•
Shift cam stop lever fails to return freely
•
Shift forks worn
•
Shaft cam with thrust free play
•
Shift cam groove worn
•
Gear clutches worn
8-4
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TRBL
SHTG