Faulty Gear Shifting; Over Heating; Faulty Brake - Yamaha Libero Workshop Manual

L-206
HARD SHIFTING
Refer to "CLUTCH DRAGGING'' Page no 8-3
SHIFT PEDAL DOES NOT MOVE
Shift Shaft
• Bent Shift Shaft
Shift Cam Shift Fork
• Groove jammed with impurities
• Seized Shift Fork
• Bent Shift Fork Guide Bar
Transmission
• Seized Transmission Gear
• Clogged impurities
• Incorrectly assembled transmission
Ignition system
• Improper Spark Plug gap
• Improper Spark Plug heat range
• Faulty C.D.I. unit
Fuel system
• Improper Carburetor setting
• Improper fuel level adjustment
• Clogged air Filter element
FRONT / REAR BRAKE
• Improper Brake adjustment
• Worn Brake Shoe
• Worn Cam Shaft
• Worn Brake drum
• Oily and greasy Brake lining
FAULTY GEAR SHIFTING / OVERHEATING

FAULTY GEAR SHIFTING

OVER HEATING

FAULTY BRAKE

JUMPING -OUT OF GEAR
Shift Shaft
• Improperly returned Stopper Lever
Shift Fork
• Improper thrust play
• Worn Shift Cam groove
Transmission
• Worn gear dog
Compression System
• Heavy carbon deposit built-up
• Improperly adjusted Valve timing
• Improperly adjusted Valve clearance
Engine oil
• Incorrect Engine oil level
• Improper Engine oil quality (high viscosity)
• Low Engine oil quality
Brakes
• Dragging brake
• Faulty Brake cable
• Mud or water in to the Brake Drum Inside
• Broken or fatigued Tension Spring
• Faulty Camshaft/ Cam lever
8-4
TRBL
SHTG