10 - 5
TRBL
SHTG
FAULTY CLUTCH PERFORMANCE/OVERHEATING/
FAULTY BRAKE/SHOCK ABSORBER MALFUNCTION
POOR SPEED PERFORMANCE
V-belt
• Oil or grease on the V-belt
Primary pulley weight
• 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
EBS00547
OVERHEATING
OVERHEATING
Ignition system
• Improper spark plug gap
• Improper spark plug heat range
• Faulty C.D.I. unit
Fuel system
• Improper carburetor main jet (improper set-
ting)
• Improper fuel level
• Clogged air filter element
Compression system
• Heavy carbon deposit
Engine oil
• Improper oil level
• Improper oil viscosity
• Inferior oil quality
Brake
• Brake drag
Cooling system
• Low coolant level
• Clogged or damaged radiator
• Damaged or faulty water pump
• Faulty fan motor
• Faulty thermo switch
Oil cooling system
• Clogged or damaged oil cooler
EBS00550
FAULTY BRAKE
POOR BRAKING EFFECT
Disc brake
• Worn brake pads
• Worn disc
• Air in brake fluid
• Leaking brake fluid
• Faulty master cylinder kit cup
• Faulty caliper kit seal
• Loose union bolt
• Broken brake hose and pipe
• Oily or greasy disc/brake pads
• Improper brake fluid level
EBS00551
SHOCK ABSORBER MALFUNCTION
MALFUNCTION
• Bent or damaged damper rod
• Damaged oil seal lip
• Fatigued shock absorber spring
Summary of Contents for 2004 Rhino 660 YXR660FAS
Page 1: ...LIT 11616 17 23 5UG F8197 10 YXR660FAS SERVICE MANUAL ...
Page 6: ......
Page 40: ...2 11 SPEC ENGINE SPECIFICATIONS Cylinder head tightening sequence ...
Page 55: ...2 26 SPEC COOLANT FLOW DIAGRAMS 1 Coolant outlet hose 2 Radiator inlet pipe 2 1 ...
Page 383: ...9 31 ELEC LIGHTING SYSTEM ...
Page 418: ......
Page 419: ......
Page 420: ...YAMAHA MOTOR CO LTD 2500 SHINGAI IWATA SHIZUOKA JAPAN PRINTED IN U S A ...