TROUBLESHOOTING
9-2
Fuel system
1. Throttle body(-ies)
• Damaged or loose throttle body joint
• Improperly synchronized throttle bodies
• Improperly adjusted engine idling speed
(throttle stop screw)
• Improper throttle cable free play
• Flooded throttle body
• Faulty air induction system
Electrical system
1. Battery
• Discharged battery
• Faulty battery
2. 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
3. Ignition coil(s)
• Broken or shorted primary or secondary coils
• Faulty spark plug lead
• Cracked or broken ignition coil
4. Ignition system
• Faulty ECU
• Faulty crankshaft position sensor
• Faulty cylinder identification sensor
• Broken generator rotor woodruff key
EAS28510
POOR MEDIUM-AND-HIGH-SPEED
PERFORMANCE
Refer to “STARTING FAILURES” on page 9-1.
Engine
1. Air filter
• Clogged air filter element
Fuel system
1. Fuel pump
• Faulty fuel pump
EAS28530
FAULTY GEAR SHIFTING
Shifting is difficult
Refer to “Clutch drags”.
EAS28540
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
EAS28550
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
EAS28570
FAULTY CLUTCH
Clutch slips
1. Clutch
• Improperly assembled clutch
• Improperly assembled clutch master cylinder
• Improperly assembled clutch release cylinder
• Incorrect clutch fluid level
• Damaged clutch hose
• Loose or fatigued clutch spring plate
• Loose union bolt
• Worn friction plate
• Worn clutch plate
• Damaged clutch release cylinder
2. Engine oil
• Incorrect oil level
• Incorrect oil viscosity (low)
• Deteriorated oil
Clutch drags
1. Clutch
• Air in hydraulic clutch system
• Warped pressure plate
• Bent clutch plate
• Swollen friction plate
• Bent clutch push rod
• Damaged clutch boss
Summary of Contents for FJR1300AS(X)
Page 1: ...2008 SERVICE MANUAL FJR1300A X FJR1300AS X 3P6 28197 E2...
Page 6: ......
Page 8: ......
Page 50: ...SPECIAL TOOLS 1 41...
Page 82: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 31 EAS20410 LUBRICATION DIAGRAMS 5 6 7 1 2 3 4...
Page 84: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 33 1 3 2...
Page 85: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 34 1 Main axle 2 Drive axle 3 Oil delivery pipe 1...
Page 86: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 35 6 5 4 3 2 1...
Page 88: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 37 1 2 3 4 5 6 7 8 9...
Page 90: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 39 4 5 3 2 1 9 8 6 7...
Page 94: ...COOLING SYSTEM DIAGRAMS 2 43 A A 7 1 2 3 4 5 5 7 8 6 8 9 10 11 12...
Page 100: ...CABLE ROUTING FJR1300A 2 49 2 3 4 5 6 7 8 9 11 10 12 13 14 15 16 A B C D E F 1 1...
Page 102: ...CABLE ROUTING FJR1300A 2 51 1 2 3 4 5 6 7 8 A B C D E 9 10 11 12 13...
Page 110: ...CABLE ROUTING FJR1300A 2 59 1 2 3 4 A B B C D E...
Page 120: ...CABLE ROUTING FJR1300AS 2 69 2 3 4 5 6 7 8 9 11 12 13 14 15 16 17 A B C E D F 1 1 H 10 18 G...
Page 122: ...CABLE ROUTING FJR1300AS 2 71 1 2 3 4 5 6 7 8 A B C D E 9 10 11 12 13...
Page 130: ...CABLE ROUTING FJR1300AS 2 79 1 4 2 5 6 A B C D D E 3 F G...
Page 136: ...CABLE ROUTING FJR1300AS 2 85...
Page 139: ......
Page 198: ...GENERAL CHASSIS 4 11 b a 1 2...
Page 326: ...CAMSHAFTS 5 21...
Page 420: ...CONNECTING RODS AND PISTONS 5 115...
Page 458: ...WATER PUMP 6 15...
Page 468: ...AIR INDUCTION SYSTEM 7 9 EAS27040 AIR INDUCTION SYSTEM 1 2 3 4 5 1 1 1 1 2 2 5 2 3 3 4 7 8 6...
Page 477: ......
Page 489: ...IGNITION SYSTEM 8 12...
Page 505: ...ELECTRIC STARTING SYSTEM 8 28...
Page 507: ...CHARGING SYSTEM 8 30 2 Rectifier regulator 3 AC magneto 8 Main fuse 9 Battery...
Page 509: ...CHARGING SYSTEM 8 32...
Page 533: ...COOLING SYSTEM 8 56...
Page 581: ...FUEL PUMP SYSTEM 8 104...
Page 593: ...ACCESSORY BOX SYSTEM 8 116...
Page 604: ...IMMOBILIZER SYSTEM 8 127 a Light on b Light off...
Page 605: ...IMMOBILIZER SYSTEM 8 128...
Page 615: ...ABS ANTI LOCK BRAKE SYSTEM 8 138...
Page 704: ...ELECTRICAL COMPONENTS 8 227 FJR1300A 5 1 3 2 17 8 10 11 12 13 14 15 16 7 6 4 9...
Page 706: ...ELECTRICAL COMPONENTS 8 229 FJR1300AS 13 16 18 17 2 3 4 5 6 7 8 1 9 10 11 12 15 14 19...
Page 708: ...ELECTRICAL COMPONENTS 8 231 FJR1300AS 1 19 3 2 5 7 9 8 12 13 14 15 16 11 10 18 17 6 4...
Page 736: ...ELECTRICAL COMPONENTS 8 259...
Page 745: ......
Page 746: ...YAMAHA MOTOR CO LTD 2500 SHINGAI IWATA SHIZUOKA JAPAN...