TROUBLESHOOTING
9-3
2. Engine oil
• Incorrect oil level
• Incorrect oil viscosity
• Inferior oil quality
Cooling system
1. Coolant
• Low coolant level
2. Radiator
• Damaged or leaking radiator
• Faulty radiator cap
• Bent or damaged radiator fin
3. Water pump
• Damaged or faulty water pump
• Thermostat
• Thermostat stays closed
4. Oil cooler
• Clogged or damaged oil cooler
5. Hose(s) and pipe(s)
• Damaged hose
• Improperly connected hose
• Damaged pipe
• Improperly connected pipe
Fuel system
1. Throttle body(-ies)
• Faulty throttle body(-ies)
• Damaged or loose throttle body joint
2. Air filter
• Clogged air filter element
Chassis
1. Brake(s)
• Dragging brake
Electrical system
1. Spark plug(s)
• Incorrect spark plug gap
• Incorrect spark plug heat range
2. Ignition system
• Faulty ECU
EAS28610
OVERCOOLING
Cooling system
1. Thermostat
• Thermostat stays open
EAS28620
POOR BRAKING PERFORMANCE
• Worn brake pad
• Worn brake disc
• Air in hydraulic brake system
• Leaking brake fluid
• Faulty brake caliper kit
• Faulty brake caliper seal
• Loose union bolt
• Damaged brake hose
• Oil or grease on the brake disc
• Oil or grease on the brake pad
• Incorrect brake fluid level
EAS28650
FAULTY FRONT FORK LEGS
Leaking oil
• Bent, damaged or rusty inner tube
• Cracked or damaged outer tube
• Improperly installed oil seal
• Damaged oil seal lip
• Incorrect oil level (high)
• Loose damper rod assembly
• Cracked or damaged cap bolt O-ring
Malfunction
• Bent or damaged inner tube
• Bent or damaged outer tube
• Damaged fork spring
• Worn or damaged outer tube bushing
• Bent or damaged damper rod
• Incorrect oil viscosity
• Incorrect oil level
EAS28680
UNSTABLE HANDLING
1. Handlebars
• Bent or improperly installed right handle-
bar
• Bent or improperly installed left handle-
bar
2. Steering head components
• Improperly installed upper bracket
• Improperly installed lower bracket
(improperly tightened ring nut)
• Bent steering stem
• Damaged ball bearing or bearing race
3. Front fork leg(s)
• Uneven oil levels (both front fork legs)
• Unevenly tensioned fork spring (both
front fork legs)
• Broken fork spring
• Bent or damaged inner tube
• Bent or damaged outer tube
4. Swingarm
• Worn bearing or bushing
• Bent or damaged swingarm
5. Rear shock absorber assembly(-ies)
• Faulty rear shock absorber spring
• Leaking oil or gas
Summary of Contents for YZF-R1 2012
Page 1: ...SERVICE MANUAL YZF R1 B 2012 1KB 28197 E0 ...
Page 6: ......
Page 8: ......
Page 70: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 29 EAS20410 LUBRICATION DIAGRAMS ...
Page 72: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 31 ...
Page 74: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 33 ...
Page 76: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 35 ...
Page 77: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 36 1 Main axle 2 Oil water pump assembly ...
Page 78: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 37 ...
Page 79: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 38 1 Main axle 2 Oil delivery pipe 2 3 Drive axle ...
Page 80: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 39 ...
Page 82: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 41 ...
Page 84: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 43 ...
Page 85: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 44 1 Balancer shaft 2 Crankshaft ...
Page 86: ...COOLING SYSTEM DIAGRAMS 2 45 EAS20420 COOLING SYSTEM DIAGRAMS ...
Page 88: ...COOLING SYSTEM DIAGRAMS 2 47 ...
Page 89: ...COOLING SYSTEM DIAGRAMS 2 48 1 Radiator cap 2 Radiator 3 Radiator fan 4 Oil cooler ...
Page 90: ...CABLE ROUTING 2 49 EAS20430 CABLE ROUTING ...
Page 92: ...CABLE ROUTING 2 51 ...
Page 94: ...CABLE ROUTING 2 53 ...
Page 96: ...CABLE ROUTING 2 55 ...
Page 98: ...CABLE ROUTING 2 57 ...
Page 100: ...CABLE ROUTING 2 59 ...
Page 102: ...CABLE ROUTING 2 61 ...
Page 104: ...CABLE ROUTING 2 63 ...
Page 106: ...CABLE ROUTING 2 65 ...
Page 108: ...CABLE ROUTING 2 67 ...
Page 110: ...CABLE ROUTING 2 69 ...
Page 112: ...CABLE ROUTING 2 71 ...
Page 114: ...CABLE ROUTING 2 73 ...
Page 116: ...CABLE ROUTING 2 75 ...
Page 119: ......
Page 156: ...PERIODIC MAINTENANCE 3 37 ...
Page 248: ...CHAIN DRIVE 4 89 ...
Page 263: ...ENGINE REMOVAL 5 12 Installed depth of gasket c 3 5 mm 0 14 in ...
Page 295: ...PICKUP ROTOR 5 44 Yamaha bond No 1215 Three Bond No 1215 90890 85505 ...
Page 350: ...TRANSMISSION 5 99 ...
Page 366: ...WATER PUMP 6 15 ...
Page 388: ...AIR INDUCTION SYSTEM 7 21 EAS27040 AIR INDUCTION SYSTEM ...
Page 394: ...AIR INDUCTION SYSTEM 7 27 ...
Page 397: ......
Page 398: ...IGNITION SYSTEM 8 1 EAS27090 IGNITION SYSTEM EAS27110 CIRCUIT DIAGRAM ...
Page 404: ...ELECTRIC STARTING SYSTEM 8 7 EAS27160 ELECTRIC STARTING SYSTEM EAS27170 CIRCUIT DIAGRAM ...
Page 410: ...CHARGING SYSTEM 8 13 EAS27200 CHARGING SYSTEM EAS27210 CIRCUIT DIAGRAM ...
Page 413: ...CHARGING SYSTEM 8 16 ...
Page 414: ...LIGHTING SYSTEM 8 17 EAS27240 LIGHTING SYSTEM EAS27250 CIRCUIT DIAGRAM ...
Page 418: ...SIGNALING SYSTEM 8 21 EAS27270 SIGNALING SYSTEM EAS27280 CIRCUIT DIAGRAM ...
Page 425: ...SIGNALING SYSTEM 8 28 ...
Page 426: ...COOLING SYSTEM 8 29 EAS27300 COOLING SYSTEM EAS27310 CIRCUIT DIAGRAM ...
Page 429: ...COOLING SYSTEM 8 32 ...
Page 430: ...FUEL INJECTION SYSTEM 8 33 EAS27330 FUEL INJECTION SYSTEM EAS27340 CIRCUIT DIAGRAM ...
Page 503: ...FUEL INJECTION SYSTEM 8 106 ...
Page 504: ...FUEL PUMP SYSTEM 8 107 EAS27550 FUEL PUMP SYSTEM EAS27560 CIRCUIT DIAGRAM ...
Page 508: ...IMMOBILIZER SYSTEM 8 111 EAS27640 IMMOBILIZER SYSTEM EAS27650 CIRCUIT DIAGRAM ...
Page 517: ...IMMOBILIZER SYSTEM 8 120 ...
Page 518: ...ELECTRICAL COMPONENTS 8 121 EAS27972 ELECTRICAL COMPONENTS ...
Page 520: ...ELECTRICAL COMPONENTS 8 123 ...
Page 522: ...ELECTRICAL COMPONENTS 8 125 EAS27980 CHECKING THE SWITCHES ...
Page 546: ...ELECTRICAL COMPONENTS 8 149 ...
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