9 - 3
TRBL
SHTG
POOR MEDIUM-AND-HIGH-SPEED PERFORMANCE/
EAS00849
POOR MEDIUM-AND-HIGH-SPEED PERFORMANCE
Refer to “STARTING FAILURE/HARD STARTING”.
ENGINE
Air filter
• Clogged air filter element
Air intake system
• Bent, clogged or disconnected carburetor
air vent hose
• Clogged or leaking air duct
FUEL SYSTEM
Carburetor
• Faulty diaphragm
• Incorrect fuel level
• Loose or clogged main jet
EAS00853
FAULTY CLUTCH
ENGINE OPERATES BUT VEHICLE WILL
NOT MOVE
V-belt
• Bent, damaged or worn V-belt
• Slipping V-belt
Primary pulley cam and primary pulley
slider
• Damaged or worn primary pulley cam
• Damaged or worn primary pulley slider
Clutch spring(s)
• Damaged clutch spring
Transmission gear(s)
• Damaged transmission gear
CLUTCH SLIPS
Clutch shoe spring(s)
• Damaged, loose or worn clutch shoe spring
Clutch shoe(s)
• Damaged or worn clutch shoe
Primary sliding sheave
• Seized primary sliding sheave
POOR STARTING PERFORMANCE
V-belt
• V-belt slips
• Oil or grease on the V-belt
Primary sliding sheave
• Faulty operation
• Worn pin groove
• Worn pin
Clutch shoe(s)
• Bent, damaged or worn clutch shoe
POOR SPEED PERFORMANCE
V-belt
• Oil or grease on the V-belt
Primary pulley weight(s)
• Faulty operation
• Worn primary pulley weight
Primary fixed sheave
• Worn primary fixed sheave
Primary sliding sheave
• Worn primary sliding sheave
Secondary fixed sheave
• Worn secondary fixed sheave
Secondary sliding sheave
• Worn secondary sliding sheave
Содержание YP250R 2005
Страница 1: ...YP250R SERVICE MANUAL 2005 1C0 F8197 E0 ...
Страница 368: ...YAMAHA MOTOR ESPAÑA S A ...