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Zmags
2009
SERVICE MANUAL
YZFR1Y(C)
LIT-11616-22-78 14B-28197-10
EAS20050
YZFR1Y(C)
SERVICE MANUAL
©2008 by Yamaha Motor Corporation, U.S.A.
First edition, December 2008
All rights reserved.
Any reproduction or unauthorized use without
the written permission of Yamaha Motor Cor-
poration, U.S.A. is expressly prohibited.
Printed in U.S.A.
P/N LIT-11616-22-78
EAS20071
IMPORTANT
This manual was produced by the Yamaha Motor Company, Ltd. primarily for use by Yamaha deal-
ers and their qualified mechanics. It is not possible to include all the knowledge of a mechanic in one
manual. Therefore, anyone who uses this book to perform maintenance and repairs on Yamaha<
2009 SERVICE MANUAL YZFR1Y(C)
EAS20050 YZFR1Y(C) S
EAS20071 IMPORTANT This manual was produced by t
EAS20090 HOW TO USE THIS MANUAL This manual is i
EAS20100 SYMBOLS The following symbols are used
EAS20110 TABLE OF CONTENTS GENERAL INFORMATION 1
GENERAL INFORMATION IDENTIFICATION ............
IDENTIFICATION EAS20130 IDENTIFICATION EAS
FEATURES EAS20170 FEATURES EAS30340 OUTLIN
FEATURES EAS14B1017 FI SYSTEM The fuel pump d
FEATURES EAS14B1076 YCC-T (Yamaha Chip Contro
FEATURES Aims and advantages of using YCC-I sy
FEATURES YCC-T/YCC-I system outline
FEATURES YCC-T/YCC-I control outline
FEATURES EAS14B4002 INSTRUMENT FUNCTIONS Mul
FEATURES Clock and stopwatch modes
FEATURES Odometer, tripmeter, instantaneou
FEATURES This display shows the average fuel c
FEATURES Coolant temperature display
FEATURES This mode allows you to make changes
FEATURES function, otherwise the shift timing
IMPORTANT INFORMATION EAS20180 IMPORTANT INF
IMPORTANT INFORMATION EAS20230 BEARINGS AND O
CHECKING THE CONNECTIONS EAS20250 CHECKING T
HANDLING THE ELECTRONIC PARTS EAS14B1120 HAN
SPECIAL TOOLS EAS2 26 SPECIAL TOOLS The ol
SPECIAL TOOLS T TN I R
SPECIAL TOOLS T TN I R
SPECIAL TOOLS T TN I R
SPECIAL TOOLS T TN I R
SPECIAL TOOLS T TN I R
SPECIAL TOOLS T TN I R
SPECIAL TOOLS T TN I R
SPECIAL TOOLS
SPECIFICATIONS GENERAL SPECIFICATIONS .........
GENERAL SPECIFICATIONS EAS20280 GENERAL SPEC
ENGINE SPECIFICATIONS EAS20290 ENGINE SPECIF
ENGINE SPECIFICATIONS Valve full open tempe
ENGINE SPECIFICATIONS Valve, valve seat, valve
ENGINE SPECIFICATIONS Valve spring Inner sp
ENGINE SPECIFICATIONS End gap (install
ENGINE SPECIFICATIONS Clutch Clutch type
ENGINE SPECIFICATIONS Accelerator position sen
CHASSIS SPECIFICATIONS EAS20300 CHASSIS SPEC
CHASSIS SPECIFICATIONS Brake pad lining thi
CHASSIS SPECIFICATIONS Rear suspension Type
ELECTRICAL SPECIFICATIONS EAS20310 ELECTRICA
ELECTRICAL SPECIFICATIONS Coolant temperature
ELECTRICAL SPECIFICATIONS Signaling system fus
TIGHTENING TORQUES EAS20320 TIGHTENING TORQU
TIGHTENING TORQUES EAS20340 ENGINE TIGHTENING
TIGHTENING TORQUES Item Thread size Q'ty
TIGHTENING TORQUES Item Thread size Q'ty
TIGHTENING TORQUES Item Thread size Q'ty
TIGHTENING TORQUES EAS20350 CHASSIS TIGHTENIN
TIGHTENING TORQUES Item Thread size Q'ty
TIGHTENING TORQUES Item Thread size Q'ty
TIGHTENING TORQUES At this stage, it ca
LUBRICATION POINTS AND LUBRICANT TYPES EAS203
LUBRICATION POINTS AND LUBRICANT TYPES Lubricat
LUBRICATION POINTS AND LUBRICANT TYPES EAS203
LUBRICATION SYSTEM CHART AND DIAGRAMS EAS2039
LUBRICATION SYSTEM CHART AND DIAGRAMS 1. Oil
LUBRICATION SYSTEM CHART AND DIAGRAMS EAS2041
LUBRICATION SYSTEM CHART AND DIAGRAMS 1. Inta
LUBRICATION SYSTEM CHART AND DIAGRAMS
LUBRICATION SYSTEM CHART AND DIAGRAMS 1. Inta
LUBRICATION SYSTEM CHART AND DIAGRAMS
LUBRICATION SYSTEM CHART AND DIAGRAMS 1. Oil
LUBRICATION SYSTEM CHART AND DIAGRAMS
LUBRICATION SYSTEM CHART AND DIAGRAMS 1. Main
LUBRICATION SYSTEM CHART AND DIAGRAMS
LUBRICATION SYSTEM CHART AND DIAGRAMS 1. Main
LUBRICATION SYSTEM CHART AND DIAGRAMS
LUBRICATION SYSTEM CHART AND DIAGRAMS 1. Shif
LUBRICATION SYSTEM CHART AND DIAGRAMS
LUBRICATION SYSTEM CHART AND DIAGRAMS 1. Cyli
LUBRICATION SYSTEM CHART AND DIAGRAMS
LUBRICATION SYSTEM CHART AND DIAGRAMS 1. Bala
COOLING SYSTEM DIAGRAMS EAS20420 COOLING SYS
COOLING SYSTEM DIAGRAMS 1. Oil/water pump ass
COOLING SYSTEM DIAGRAMS
COOLING SYSTEM DIAGRAMS 1. Radiator cap 2. R
CABLE ROUTING EAS20430 CABLE ROUTING
CABLE ROUTING 1. Meter lead 2. Ground lead 3
CABLE ROUTING
CABLE ROUTING 1. Clutch cable
CABLE ROUTING
CABLE ROUTING 1. Headlight sub-wire harness 2
CABLE ROUTING
CABLE ROUTING 1. Ignition coil lead 2. Crank
CABLE ROUTING
CABLE ROUTING 1. Union bolt 2. Washer 3. Ex
CABLE ROUTING
CABLE ROUTING 1. Left radiator fan motor lead
CABLE ROUTING
CABLE ROUTING 1. Oil level switch lead 2. Ge
CABLE ROUTING
CABLE ROUTING 1. Right handlebar switch lead
CABLE ROUTING
CABLE ROUTING 1. Rear frame 2. Right upper t
CABLE ROUTING
CABLE ROUTING 1. Fuel tank upper cover
CABLE ROUTING
CABLE ROUTING 1. Upper air filter case 2. Fu
CABLE ROUTING
CABLE ROUTING 1. Cap case 2. Upper air filte
CABLE ROUTING
PERIODIC CHECKS AND AD USTMENTS PERIODIC MAINT
CHECKING THE COOLING SYSTEM .....................
PERIODIC MAINTENANCE EAS20450 PERIODIC MAINT
PERIODIC MAINTENANCE EAS14B1034 GENERAL MAINT
PERIODIC MAINTENANCE NO. ITEM ROUTINE
PERIODIC MAINTENANCE EAS21030 CHECKING THE FU
PERIODIC MAINTENANCE 2. Remove: Fuel
PERIODIC MAINTENANCE Fuel tank
PERIODIC MAINTENANCE d. Measure
PERIODIC MAINTENANCE ▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼
PERIODIC MAINTENANCE Lubricate the valve pa
PERIODIC MAINTENANCE Fuel tank
PERIODIC MAINTENANCE EAS21080
PERIODIC MAINTENANCE 8.
PERIODIC MAINTENANCE EAS20870 ADJUSTING THE C
PERIODIC MAINTENANCE EAS21160
PERIODIC MAINTENANCE 2. Check: Front
PERIODIC MAINTENANCE
PERIODIC MAINTENANCE the throttle grip or the
PERIODIC MAINTENANCE EW
PERIODIC MAINTENANCE Wear limit (front) 1.0
PERIODIC MAINTENANCE Place the vehicle on a s
PERIODIC MAINTENANCE EWA13120 WARNING Securel
PERIODIC MAINTENANCE EAS14B1 92 CHECKING THE
PERIODIC MAINTENANCE EAS21720 LUBRICATING THE
PERIODIC MAINTENANCE Spring preload adjust
PERIODIC MAINTENANCE Spring preload ECA13590
PERIODIC MAINTENANCE Minimum 4 turn(s) out*
PERIODIC MAINTENANCE EC
PERIODIC MAINTENANCE ECA13390 Make sure th
PERIODIC MAINTENANCE Pressure gauge 90890-0315
PERIODIC MAINTENANCE Water pump inlet pipe “
PERIODIC MAINTENANCE 7. Drain:
PERIODIC MAINTENANCE EAS14B1098 CHECKING THE
PERIODIC MAINTENANCE Direction “a” Throttle
PERIODIC MAINTENANCE the transparency of the g
PERIODIC MAINTENANCE
CHASSIS GENERAL CHASSIS .......................
CHECKING THE FRONT BRAKE CALIPERS ...............
SWINGARM ........................................
GENERAL CHASSIS EAS21830 GENERAL CHASSIS Rem
GENERAL CHASSIS Removing the side cowlings Orde
GENERAL CHASSIS Removing the ECU and rectifier/
GENERAL CHASSIS Removing the Air ducts Order
GENERAL CHASSIS Removing the front cowling asse
GENERAL CHASSIS Removing the meter and headligh
GENERAL CHASSIS Removing the meter and headligh
GENERAL CHASSIS Disassembling the headlight ass
GENERAL CHASSIS Removing the rear fender Order
GENERAL CHASSIS Disassembling the license plate
GENERAL CHASSIS EAS14B1029 REMOVING THE QUICK
GENERAL CHASSIS EAS14B
GENERAL CHASSIS EAS14B1040 REMOVING THE LOWER
GENERAL CHASSIS EAS14B1045 INSTALLING THE AIR
GENERAL CHASSIS EAS14B1051
GENERAL CHASSIS ▲▲▲▲▲▲▲▲▲▲▲
GENERAL CHASSIS exhaust chamber cover “1” and
FRONT WHEEL EAS21870 FRONT WHEEL Removing th
FRONT WHEEL Disassembling the front wheel Order
FRONT WHEEL EAS21900 REMOVING THE FRONT WHEEL
FRONT WHEEL To prevent damaging the wheel, pl
FRONT WHEEL 3. Adjust: Front wheel st
FRONT WHEEL EWA13490 WARNING Make sure the br
REAR WHEEL EAS22020 REAR WHEEL Removing the
REAR WHEEL Removing the brake disc and rear whe
REAR WHEEL Disassembling the rear wheel Order
REAR WHEEL EAS22040 REMOVING THE REAR WHEEL 1
REAR WHEEL EAS22110 CHECKING THE REAR WHEEL D
REAR WHEEL 3. Tighten: Rear wheel axl
FRONT BRAKE EAS22210 FRONT BRAKE Removing th
FRONT BRAKE Removing the front brake master cyl
FRONT BRAKE Disassembling the front brake maste
FRONT BRAKE Removing the front brake calipers O
FRONT BRAKE Disassembling the front brake calip
FRONT BRAKE EAS22220 INTRODUCTION EWA14100 WA
FRONT BRAKE When installing the brake disc,
FRONT BRAKE Brake pad lining thicknes
FRONT BRAKE Before removing the brake caliper
FRONT BRAKE Brake caliper body “3” Cracks
FRONT BRAKE EWA13090 WARNING Use only the d
FRONT BRAKE 2. Check: Brake fluid res
FRONT BRAKE a. 36 6. b. 3 mm
REAR BRAKE EAS22550 REAR BRAKE Removing the
REAR BRAKE Removing the rear brake master cylin
REAR BRAKE Disassembling the rear brake master
REAR BRAKE Removing the rear brake calipers
REAR BRAKE Disassembling the rear brake caliper
REAR BRAKE EAS22560 INTRODUCTION EWA14100 WAR
REAR BRAKE 3. Measure: Brake pad wear
REAR BRAKE EAS22590 REMOVING THE REAR BRAKE C
REAR BRAKE EWA14B1005 W
REAR BRAKE EWA13090 WARNING Use only the de
REAR BRAKE EWA13530 3. Ch
REAR BRAKE reaction, leading to poor brake
HANDLEBARS EAS22850 HANDLEBARS Removing the
HANDLEBARS Removing the handlebars Order Jo
HANDLEBARS EAS22870 REMOVING THE HANDLEBAR 1.
HANDLEBARS ECA14260 Install the brake ma
HANDLEBARS Clutch lever free play 10.0–15.0
FRONT FORK EAS22950 FRONT FORK Removing the
FRONT FORK Disassembling the front fork legs Or
FRONT FORK Disassembling the front fork legs Or
FRONT FORK EAS14B1006 REMOVING THE FRONT FORK
FRONT FORK Use the side of the rod holder tha
FRONT FORK EWA13650 WARNING Do not attempt to
FRONT FORK 2. Lubricate:
FRONT FORK Rod puller 90890-01437 Universal da
FRONT FORK 13. Before measuring t
FRONT FORK Rod puller 90890-01437 Universal da
FRONT FORK 1. Install: Front fork leg
STEERING HEAD EAS23090 STEERING HEAD Removin
STEERING HEAD Removing the lower bracket Order
STEERING HEAD EAS23110 REMOVING THE LOWER BRA
STEERING HEAD EAS23140
REAR SHOCK ABSORBER ASSEMBLY EAS23160 REAR S
REAR SHOCK ABSORBER ASSEMBLY EAS14B1010 HANDL
REAR SHOCK ABSORBER ASSEMBLY Spring Damag
REAR SHOCK ABSORBER ASSEMBLY 3. Tighten:
SWINGARM EAS23330 SWINGARM Removing the swin
SWINGARM Removing the swingarm Order Job/Pa
SWINGARM EAS23350 REMOVING THE SWINGARM 1. S
SWINGARM Damper rod holder (22 mm) 90890-01365
SWINGARM 5. Dust cover 6. Coll
CHAIN DRIVE EAS23400 CHAIN DRIVE Removing th
CHAIN DRIVE EAS23410 REMOVING THE DRIVE CHAIN
CHAIN DRIVE use only kerosene to clean the
CHAIN DRIVE b. After riveting, ma
ENGINE ENGINE INSPECTION.......................
OIL PUMP ........................................
TRANSMISSION ....................................
ENGINE INSPECTION EAS14B1052 ENGINE INSPECTI
ENGINE INSPECTION Compression pressure (with oi
ENGINE REMOVAL EAS23711 ENGINE REMOVAL Remov
ENGINE REMOVAL Removing the exhaust pipe and mu
ENGINE REMOVAL Removing the exhaust pipe and mu
ENGINE REMOVAL Disconnecting the leads and hose
ENGINE REMOVAL Disconnecting the leads and hose
ENGINE REMOVAL Removing the engine
ENGINE REMOVAL Removing the engine
ENGINE REMOVAL EAS23720 INSTALLING THE ENGINE
ENGINE REMOVAL 7. Tighten:
ENGINE REMOVAL Installed depth of gasket “c”
CAMSHAFTS EAS23760 CAMSHAFTS Removing the cy
CAMSHAFTS Removing the cylinder head cover
CAMSHAFTS Removing the camshafts Order Job/
CAMSHAFTS Removing the camshafts Order Job/
CAMSHAFTS EAS23810
CAMSHAFTS Use the camshaft wrench “2” and loo
CAMSHAFTS 4. Measure: C
CAMSHAFTS a. 1/4 tooth b. Corre
CAMSHAFTS b. When position #1 is at BTDC 105
CAMSHAFTS 6. Install: Ex
CAMSHAFTS 3. Hand press 4. B
CAMSHAFTS Tighten the cylinder head cover bo
CYLINDER HEAD EAS24100 CYLINDER HEAD Removin
CYLINDER HEAD EAS24120 REMOVING THE CYLINDER
CYLINDER HEAD Install: Cylinder head gasket
VALVES AND VALVE SPRINGS EAS24270 VALVES AND
VALVES AND VALVE SPRINGS Removing the valves an
VALVES AND VALVE SPRINGS EAS24280 REMOVING TH
VALVES AND VALVE SPRINGS EAS24290 CHECKING TH
VALVES AND VALVE SPRINGS Valve guide remover (
VALVES AND VALVE SPRINGS Valve seat width V
VALVES AND VALVE SPRINGS e. Appl
VALVES AND VALVE SPRINGS Measure: Valve spri
VALVES AND VALVE SPRINGS
GENERATOR EAS24480 GENERATOR Removing the ge
GENERATOR EAS24490 REMOVING THE GENERATOR 1.
GENERATOR 4. Apply: Sealan
STARTER CLUTCH EAS24550 STARTER CLUTCH Remov
STARTER CLUTCH EAS24560 REMOVING THE STARTER
STARTER CLUTCH Fix the flat surface of the c
PICKUP ROTOR EAS14B1058 PICKUP ROTOR Removin
PICKUP ROTOR EAS14B1059 REMOVING THE PICKUP R
PICKUP ROTOR Yamaha bond No.1215 (Three Bon
ELECTRIC STARTER EAS24780 ELECTRIC STARTER R
ELECTRIC STARTER Disassembling the starter moto
ELECTRIC STARTER EAS24790 CHECKING THE STARTE
ELECTRIC STARTER Brush spring force 5.28–7.92
ELECTRIC STARTER
OIL PUMP EAS24921 OIL PUMP Removing the oil
OIL PUMP Removing the oil pan and oil/water pum
OIL PUMP Disassembling the oil pump Order J
OIL PUMP EAS24930 REMOVING THE OIL PAN 1. Re
OIL PUMP 1. In
OIL PUMP Recommended lubricant Engine oil 2.
OIL PUMP 3. Install: Oil
OIL PUMP Engine oil drain bolt 43 Nm (4.3 m·
CLUTCH EAS25061 CLUTCH Removing the clutch c
CLUTCH Removing the pull lever shaft Order
CLUTCH Removing the clutch Order Job/Parts
CLUTCH Removing the clutch Order Job/Parts
CLUTCH EAS25080 REMOVING THE CLUTCH 1. Remov
CLUTCH Pressure plate 2 Conical spring was
CLUTCH ▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼ a. Ass
CLUTCH EAS25170 CHECKIN
CLUTCH Stake the clutch boss nut at a cutout
CLUTCH 6. Install: Bearing
SHIFT SHAFT EAS25410 SHIFT SHAFT Removing th
SHIFT SHAFT EAS25420 CHECKING THE SHIFT SHAFT
CRANKCASE EAS25540 CRANKCASE Separating the
CRANKCASE Separating the crankcase Order Jo
CRANKCASE EAS25550 DISASSEMBLING THE CRANKCAS
CRANKCASE 6. Install: C
CONNECTING RODS AND PISTONS EAS14B1024 CONNE
CONNECTING RODS AND PISTONS EAS26030 REMOVING
CONNECTING RODS AND PISTONS 2. Measure:
CONNECTING RODS AND PISTONS Piston ring side c
CONNECTING RODS AND PISTONS 4.
CONNECTING RODS AND PISTONS
CONNECTING RODS AND PISTONS Be sure to instal
CONNECTING RODS AND PISTONS ECA14B1040 If
CONNECTING RODS AND PISTONS c.
CRANKSHAFT EAS25960 CRANKSHAFT Removing the
CRANKSHAFT EAS25980 REMOVING THE CRANKSHAFT A
CRANKSHAFT d. Put a piece of Pl
CRANKSHAFT ECA14B1020
CRANKSHAFT Align the projections “a” of the
CRANKSHAFT TIP Align the projections “a” on t
TRANSMISSION EAS26241 TRANSMISSION Removing
TRANSMISSION Removing the transmission, shift d
TRANSMISSION Disassembling the main axle assemb
TRANSMISSION Disassembling the drive axle assem
TRANSMISSION Disassembling the drive axle assem
TRANSMISSION EAS26250 REMOVING THE TRANSMISSI
TRANSMISSION Check: Shift fork movement (
TRANSMISSION 5. Check: Transmission g
TRANSMISSION 3. Install:
TRANSMISSION
COOLING SYSTEM RADIATOR .......................
RADIATOR EAS26380 RADIATOR Removing the radi
RADIATOR Removing the radiator Order Job/Pa
RADIATOR EAS26390 CHECKING THE RADIATOR 1. C
RADIATOR b. Apply 137.3 kPa (1
OIL COOLER EAS26410 OIL COOLER Removing the
OIL COOLER Removing the oil cooler Order Jo
OIL COOLER EAS26420 CHECKING THE OIL COOLER 1
THERMOSTAT EAS26440 THERMOSTAT Removing the
THERMOSTAT Removing the thermostat
THERMOSTAT EAS26450 CHECKING THE THERMOSTAT 1
THERMOSTAT EAS26480 INSTALLING THE THERMOSTAT
WATER PUMP EAS26500 WATER PUMP Disassembling
WATER PUMP EAS26520 DISASSEMBLING THE WATER P
WATER PUMP 2. Install: Wat
WATER PUMP
FUEL S STEM FUEL TANK ........................
FUEL TANK EAS26620 FUEL TANK Removing the fu
FUEL TANK Removing the fuel tank and fuel pump
FUEL TANK EAS14B1078 REMOVING THE FUEL TANK S
FUEL TANK Do not damage the installation su
AIR FILTER CASE EAS14B1062 AIR FILTER CASE R
AIR FILTER CASE Removing the air filter case an
AIR FILTER CASE EAS14B4003 CHECKING THE SECON
AIR FILTER CASE 4. Remove: Sub-wire h
AIR FILTER CASE EAS14B1066 CHECKING THE INTAK
AIR FILTER CASE Secondary injector assem
THROTTLE BODIES EAS26970 THROTTLE BODIES Rem
THROTTLE BODIES Removing the throttle body asse
THROTTLE BODIES Removing the throttle body asse
THROTTLE BODIES Removing the primary injectors
THROTTLE BODIES EAS14B4007 CHECKING THE PRIMA
THROTTLE BODIES Before cleaning the throttle b
THROTTLE BODIES d. Apply a petr
THROTTLE BODIES 5. Check the injector pressur
THROTTLE BODIES d. Start the eng
THROTTLE BODIES ▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼
AIR INDUCTION SYSTEM EAS27040 AIR INDUCTION
AIR INDUCTION SYSTEM 1. Lower air filter case
AIR INDUCTION SYSTEM Removing the air cut-off v
AIR INDUCTION SYSTEM Removing the reed valves O
AIR INDUCTION SYSTEM EAS27060 CHECKING THE AI
AIR INDUCTION SYSTEM 4. Check:
AIR INDUCTION SYSTEM
ELECTRICAL S STEM IGNITION S STEM............
CHECKING THE CRANKSHAFT POSITION SENSOR..........
IGNITION SYSTEM EAS27090 IGNITION SYSTEM E
IGNITION SYSTEM 1. Main switch 4. Main fuse
IGNITION SYSTEM EAS14B1082 ENGINE STOPPING DU
IGNITION SYSTEM 1. Battery 2. Main fuse 3.
IGNITION SYSTEM EAS27150 TROUBLESHOOTING The
IGNITION SYSTEM 7. Check the cylinder identific
ELECTRIC STARTING SYSTEM EAS27160 ELECTRIC S
ELECTRIC STARTING SYSTEM 1. Main switch 4. M
ELECTRIC STARTING SYSTEM EAS14B1036 STARTING
ELECTRIC STARTING SYSTEM a. WHEN THE TRANSMIS
ELECTRIC STARTING SYSTEM EAS27190 TROUBLESHOO
ELECTRIC STARTING SYSTEM 8. Check the main swit
CHARGING SYSTEM EAS27200 CHARGING SYSTEM E
CHARGING SYSTEM 2. AC magneto 3. Rectifier/r
CHARGING SYSTEM EAS27230 TROUBLESHOOTING The
CHARGING SYSTEM
LIGHTING SYSTEM EAS27240 LIGHTING SYSTEM E
LIGHTING SYSTEM 1. Main switch 4. Main fuse
LIGHTING SYSTEM EAS27260 TROUBLESHOOTING Any
LIGHTING SYSTEM 7. Check the entire lighting sy
SIGNALING SYSTEM EAS27270 SIGNALING SYSTEM
SIGNALING SYSTEM 1. Main switch 4. Main fuse
SIGNALING SYSTEM EAS27290 TROUBLESHOOTING A
SIGNALING SYSTEM 3. Check the entire signaling
SIGNALING SYSTEM 4. Check the entire signaling
SIGNALING SYSTEM 2. Check the entire signaling
SIGNALING SYSTEM 2. Check the entire signaling
SIGNALING SYSTEM
COOLING SYSTEM EAS27300 COOLING SYSTEM EAS
COOLING SYSTEM 1. Main switch 4. Main fuse 7
COOLING SYSTEM EAS27320 TROUBLESHOOTING TIP
COOLING SYSTEM
FUEL INJECTION SYSTEM EAS27330 FUEL INJECTIO
FUEL INJECTION SYSTEM 1. Main switch 4. Main
FUEL INJECTION SYSTEM EAS27350 ECU SELF-DIAGN
FUEL INJECTION SYSTEM ECU detects an abnormal
FUEL INJECTION SYSTEM EAS14B1115 TROUBLESHOOT
FUEL INJECTION SYSTEM EAS14B1084 DIAGNOSTIC M
FUEL INJECTION SYSTEM Sensor operation table D
FUEL INJECTION SYSTEM Diag- nostic code No.
FUEL INJECTION SYSTEM Diag- nostic code No.
FUEL INJECTION SYSTEM Diag- nostic code No.
FUEL INJECTION SYSTEM Diag- nostic code No.
FUEL INJECTION SYSTEM EAS14B1085 TROUBLESHOOT
FUEL INJECTION SYSTEM Fault code No. 11 Sym
FUEL INJECTION SYSTEM Fault code No. 12 Sym
FUEL INJECTION SYSTEM If fault codes 13 and 14
FUEL INJECTION SYSTEM Fault code No. 13 Sym
FUEL INJECTION SYSTEM If fault codes 13 and 14
FUEL INJECTION SYSTEM Fault code No. 15 Sym
FUEL INJECTION SYSTEM Fault code No. 15 Sym
FUEL INJECTION SYSTEM Fault code No. 15 Sym
FUEL INJECTION SYSTEM Fault code No. 19 Sym
FUEL INJECTION SYSTEM Fault code No. 19 Sym
FUEL INJECTION SYSTEM Fault code No. 20 Sym
FUEL INJECTION SYSTEM Fault code No. 20 Sym
FUEL INJECTION SYSTEM Fault code No. 21 Sym
FUEL INJECTION SYSTEM Fault code No. 22 Sym
FUEL INJECTION SYSTEM Fault code No. 22 Sym
FUEL INJECTION SYSTEM Fault code No. 23 Sym
FUEL INJECTION SYSTEM Fault code No. 24 Sym
FUEL INJECTION SYSTEM Fault code No. 24 Sym
FUEL INJECTION SYSTEM Fault code No. 30 Sym
FUEL INJECTION SYSTEM Fault code No. 33 Sym
FUEL INJECTION SYSTEM Fault code No. 34 Sym
FUEL INJECTION SYSTEM Fault code No. 34 Sym
FUEL INJECTION SYSTEM Fault code No. 35 Sym
FUEL INJECTION SYSTEM Fault code No. 36 Sym
FUEL INJECTION SYSTEM Fault code No. 36 Sym
FUEL INJECTION SYSTEM Fault code No. 39 Sym
FUEL INJECTION SYSTEM Fault code No. 39 Sym
FUEL INJECTION SYSTEM Fault code No. 39 Sym
FUEL INJECTION SYSTEM Fault code No. 40 Sym
FUEL INJECTION SYSTEM Fault code No. 40 Sym
FUEL INJECTION SYSTEM Fault code No. 40 Sym
FUEL INJECTION SYSTEM Fault code No. 40 Sym
FUEL INJECTION SYSTEM Fault code No. 41 Sym
FUEL INJECTION SYSTEM Fault code No. 41 Sym
FUEL INJECTION SYSTEM Fault code No. 42 Sym
FUEL INJECTION SYSTEM A. Speed sensor system m
FUEL INJECTION SYSTEM B. Gear position sensor
FUEL INJECTION SYSTEM Item/components and
FUEL INJECTION SYSTEM Fault code No. 43 Sym
FUEL INJECTION SYSTEM Fault code No. 44 Sym
FUEL INJECTION SYSTEM Fault code No. 46 Sym
FUEL INJECTION SYSTEM Fault code No. 50 Sym
FUEL INJECTION SYSTEM Fault code No. 59 Sym
FUEL INJECTION SYSTEM Fault code No. 59 Sym
FUEL INJECTION SYSTEM Fault code No. 59 Sym
FUEL INJECTION SYSTEM Fault code No. 60 Sym
FUEL INJECTION SYSTEM Fault code No. 60 Sym
FUEL INJECTION SYSTEM Fault code No. 66 Sym
FUEL INJECTION SYSTEM Fault code No. Er-1 S
FUEL INJECTION SYSTEM Fault code No. Er-2 S
FUEL INJECTION SYSTEM Fault code No. Er-3 S
FUEL INJECTION SYSTEM Fault code No. Er-4 S
FUEL PUMP SYSTEM EAS27550 FUEL PUMP SYSTEM
FUEL PUMP SYSTEM 1. Main switch 4. Main fuse
FUEL PUMP SYSTEM EAS27570 TROUBLESHOOTING If
FUEL PUMP SYSTEM 7. Check the entire fuel pump
ELECTRICAL COMPONENTS EAS27972 ELECTRICAL CO
ELECTRICAL COMPONENTS 1. Main switch 2. Fron
ELECTRICAL COMPONENTS
ELECTRICAL COMPONENTS 1. Intake air temperatu
ELECTRICAL COMPONENTS EAS27980 CHECKING THE S
ELECTRICAL COMPONENTS 1. Horn switch 2. Clut
ELECTRICAL COMPONENTS Check each switch for co
ELECTRICAL COMPONENTS EAS27990 CHECKING THE B
ELECTRICAL COMPONENTS Pocket tester 90890-0311
ELECTRICAL COMPONENTS Keep batteries away fr
ELECTRICAL COMPONENTS A. Open
ELECTRICAL COMPONENTS Voltage should be measu
ELECTRICAL COMPONENTS 9. Lubricate: B
ELECTRICAL COMPONENTS Headlight relay
ELECTRICAL COMPONENTS b. Turn
ELECTRICAL COMPONENTS ▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼
ELECTRICAL COMPONENTS 2. Igni
ELECTRICAL COMPONENTS EAS28150
ELECTRICAL COMPONENTS EAS28170 CHECKING THE R
ELECTRICAL COMPONENTS b. Connect the pocket
ELECTRICAL COMPONENTS Pocket tester 90890-0311
ELECTRICAL COMPONENTS
ELECTRICAL COMPONENTS Throttle position sens
ELECTRICAL COMPONENTS b. Connect the pocket
ELECTRICAL COMPONENTS c. Turn
ELECTRICAL COMPONENTS Digital circuit tester 9
ELECTRICAL COMPONENTS ▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼
ELECTRICAL COMPONENTS EAS14B1101 CHECKING THE
ELECTRICAL COMPONENTS
TROUBLESHOOTING TROUBLESHOOTING ...............
TROUBLESHOOTING EAS28451 TROUBLESHOOTING E
TROUBLESHOOTING Fuel system 1. Throttle body(
TROUBLESHOOTING EAS28600 OVERHEATING Engine
TROUBLESHOOTING 4. Swingarm Worn bear
EAS28740 WIRING DIAGRAM YZFR1Y(C) 1. Main switc
YAMAHA MOTOR CO., LTD. 25 SHINGAI IWATA SHI
WIRING DIAGRAM YZFR1Y(C)
WIRING DIAGRAM YZFR1Y(C)