Yamaha YZF-R1PC Utility Trailer User Manual


 
9 - 3
TRBL
SHTG
POOR MEDIUM-AND-HIGH-SPEED PERFORMANCE/
FAULTY GEAR SHIFTING/FAULTY CLUTCH
EAS00848
POOR MEDIUM-AND-HIGH-SPEED PERFORMANCE
Refer to STARTING FAILURES.
ENGINE
Air filter
Clogged air filter element
FUEL SYSTEM
Fuel pump
Faulty fuel pump
EAS00850
FAULTY GEAR SHIFTING
SHIFTING IS DIFFICULT
Refer to CLUTCH DRAGS.
SHIFT PEDAL DOES NOT MOVE
Shift shaft
Improperly adjusted shift rod
Bent shift shaft
Shift drum and shift forks
Foreign object in a shift drum groove
Seized shift fork
Bent shift fork guide bar
Transmission
Seized transmission gear
Foreign object between transmission gears
Improperly assembled transmission
JUMPS OUT OF GEAR
Shift shaft
Incorrect shift pedal position
Improperly returned stopper lever
Shift forks
Worn shift fork
Shift drum
Incorrect axial play
Worn shift drum groove
Transmission
Worn gear dog
EAS00851
FAULTY CLUTCH
CLUTCH SLIPS
Clutch
Improperly assembled clutch
Improperly adjusted clutch cable
Loose or fatigued clutch spring
Worn friction plate
Worn clutch plate
Engine oil
Incorrect oil level
Incorrect oil viscosity (low)
Deteriorated oil
CLUTCH DRAGS
Clutch
Unevenly tensioned clutch springs
Warped pressure plate
Bent clutch plate
Swollen friction plate
Bent clutch push rod
Broken clutch boss
Burnt primary driven gear bushing
Match marks not aligned
Engine oil
Incorrect oil level
Incorrect oil viscosity (high)
Deteriorated oil