TROUBLESHOOTING
9-1
EAS28450
TROUBLESHOOTING
EAS28460
GENERAL INFORMATION
TIP
The following guide for troubleshooting does not
cover all the possible causes of trouble. It should
be helpful, however, as a guide to basic trouble-
shooting. Refer to the relative procedure in this
manual for checks, adjustments, and replace-
ment of parts.
EAS28470
STARTING FAILURES
Engine
1. Cylinder(s) and cylinder head(s)
• Loose spark plug
• Loose cylinder head or cylinder
• Damaged cylinder head gasket
• Damaged cylinder gasket
• Worn or damaged cylinder
• Incorrect valve clearance
• Improperly sealed valve
• Incorrect valve-to-valve-seat contact
• Incorrect valve timing
• Faulty valve spring
• Seized valve
2. Piston(s) and piston ring(s)
• Improperly installed piston ring
• Damaged, worn or fatigued piston ring
• Seized piston ring
• Seized or damaged piston
3. Air filter
• Improperly installed air filter
• Clogged air filter element
4. Crankcase and crankshaft
• Improperly assembled crankcase
• Seized crankshaft
Fuel system
1. Fuel tank
• Empty fuel tank
• Clogged fuel filter
• Clogged fuel tank breather hose
• Clogged fuel tank overflow hose
• Clogged rollover valve
• Deteriorated or contaminated fuel
2. Fuel pump
• Faulty fuel pump
• Faulty relay unit (fuel pump relay)
3. Fuel cock
• Clogged or damaged fuel hose
4. Throttle body(-ies)
• Deteriorated or contaminated fuel
• Sucked-in air
Electrical system
1. Battery
• Discharged battery
• Faulty battery
2. Fuse(s)
• Blown, damaged or incorrect fuse
• Improperly installed fuse
3. Spark plug(s)
• Incorrect spark plug gap
• Incorrect spark plug heat range
• Fouled spark plug
• Worn or damaged electrode
• Worn or damaged insulator
• Faulty spark plug cap
4. Ignition coil(s)
• Cracked or broken ignition coil body
• Broken or shorted primary or secondary coils
• Faulty spark plug lead
5. Ignition system
• Faulty ECU
• Faulty crankshaft position sensor
• Broken generator rotor Woodruff key
6. Switches and wiring
• Faulty main switch
• Faulty engine stop switch
• Broken or shorted wiring
• Faulty neutral switch
• Faulty start switch
• Faulty sidestand switch
• Faulty clutch switch
• Improperly grounded circuit
• Loose connections
7. Starting system
• Faulty starter motor
• Faulty starter relay
• Faulty relay unit (starting circuit cut-off relay)
• Faulty starter clutch
EAS28490
INCORRECT ENGINE IDLING SPEED
Engine
1. Cylinder(s) and cylinder head(s)
• Incorrect valve clearance
• Damaged valve train components
2. Air filter
• Clogged air filter element
Summary of Contents for Star XVS13AA(C) 2011
Page 1: ...2011 SERVICE MANUAL XVS13AA C XVS13CTA C XVS13CA C LIT 11616 24 48 3D8 28197 13 ...
Page 6: ......
Page 8: ......
Page 59: ...TIGHTENING TORQUES 2 32 2 1 ...
Page 63: ...LUBRICATION POINTS AND LUBRICANT TYPES 2 36 ...
Page 66: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 39 EAS20410 LUBRICATION DIAGRAMS A A 1 2 2 3 A A ...
Page 68: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 41 1 2 ...
Page 69: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 42 1 Camshaft 2 Crankshaft ...
Page 70: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 43 1 2 ...
Page 71: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 44 1 Oil delivery pipe 1 2 Timing chain tensioner ...
Page 72: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 45 1 2 3 4 5 6 ...
Page 74: ...COOLING SYSTEM DIAGRAMS 2 47 EAS20420 COOLING SYSTEM DIAGRAMS A A A A 2 1 4 3 5 6 ...
Page 76: ...COOLING SYSTEM DIAGRAMS 2 49 A B B A 4 3 3 1 2 2 A A B B ...
Page 100: ...CABLE ROUTING for XVS13AA C XVS13CTA C 2 73 A D B C 1 2 3 4 5 6 7 8 9 A B 10 11 12 13 14 A B ...
Page 122: ...CABLE ROUTING for XVS13CA C 2 95 C B C B A B A A C B E D 5 6 1 2 3 4 1 2 3 7 5 6 C C ...
Page 126: ...CABLE ROUTING for XVS13CA C 2 99 E A B C D C C A B A B C C 1 1 5 3 2 4 ...
Page 128: ...CABLE ROUTING for XVS13CA C 2 101 A H G B C D E F 2 J I 1 5 2 3 4 A A 7 6 ...
Page 134: ...CABLE ROUTING for XVS13CA C 2 107 ...
Page 137: ......
Page 175: ......
Page 374: ...TRANSMISSION 5 95 ...
Page 388: ...WATER PUMP 6 13 ...
Page 407: ......
Page 415: ...IGNITION SYSTEM 8 8 ...
Page 425: ...CHARGING SYSTEM 8 18 1 AC magneto 2 Rectifier regulator 3 Main fuse 6 Battery ...
Page 427: ...CHARGING SYSTEM 8 20 ...
Page 445: ...SIGNALING SYSTEM 8 38 ...
Page 489: ...FUEL INJECTION SYSTEM 8 82 ...
Page 496: ...ELECTRICAL COMPONENTS 8 89 EAS27970 ELECTRICAL COMPONENTS 1 5 4 6 7 9 8 10 11 12 13 15 2 3 14 ...
Page 498: ...ELECTRICAL COMPONENTS 8 91 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 ...
Page 530: ......
Page 531: ......
Page 532: ...YAMAHA MOTOR CO LTD 2500 SHINGAI IWATA SHIZUOKA JAPAN ...