THROTTLE BODIES
7-15
EAS14B1108
CHECKING THE PRIMARY INJECTORS
(BEFORE REMOVING)
1. Check:
• Injectors
Use the diagnostic code number “D:36–
D:39”.
Refer to “DIAGNOSTIC MODE” on page
8-38.
EAS14B1109
REMOVING THE PRIMARY INJECTORS
WARNING
EWA14B1028
• Check the injectors in a well-ventilated
area free of combustible materials. Make
sure that there is no smoking or use of
electric tools in the vicinity of the injec-
tors.
• Be careful when disconnecting the fuel
hoses. Any remaining pressure in the fuel
hoses may cause the fuel to spray out.
Place a container or rag under the hoses
to catch any fuel that spills. Always clean
up any spilt fuel immediately.
• Turn the main switch to “OFF” and dis-
connect the negative battery lead from
the battery terminal before checking the
injectors.
1. Remove:
• Fuel tank
• Fuel hoses
• Air filter case
• Throttle bodies
2. Remove:
• Sub-wire harness
• Primary injectors
▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼
a. Remove the fuel rail screws “1” as shown.
▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲
3. Remove:
• Fuel rails “1”
• Primary injector joint “2”
EAS14B1110
CHECKING THE PRIMARY INJECTORS
1. Check:
• Injectors
Obstruction
→
Replace and check the
fuel pump/fuel supply system.
Deposit
→
Replace.
Damage
→
Replace.
2. Check:
• Injector resistance
Refer to “CHECKING THE FUEL INJEC-
TORS” on page 8-148.
EAS14B1072
CHECKING AND CLEANING THE THROT-
TLE BODIES
TIP
Before cleaning the throttle bodies, check the
following items:
• Valve clearance
• Spark plugs
• Air filter element
• Throttle body joints
• Fuel hoses
• Air induction system
• Exhaust system
• Breather hoses
• Vacuum hose
WARNING
EWA14B1021
• If the throttle bodies are subjected to
strong shocks or dropped during clean-
ing, replace them as a set.
• Before removing the throttle bodies to
clean them, check the operation of the
throttle bodies, refer to “FUEL INJECTION
SYSTEM” on page 8-33.
1. Check:
• Throttle bodies
Cracks/damage
→
Replace the throttle
bodies as a set.
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 ...
Page 553: ......
Page 554: ......