YAMAHA EXHAUST VARIABLE VALVE SYSTEM
TROUBLESHOOTING
WHEN MAIN SWITCH IS TURNED TO “ON”, EXUP SERVOMOTOR DOES
NOT OPERATE ONE CYCLE.
Procedure (1)
Check;
1. Voltage
2. EXUP servomotor operation
3. EXUP servomotor operation
4. Wiring connection
(Entire EXUP system)
Procedure (2)
Check;
1. Fuse “MAIN/IGNITION”
2. Battery
3. Main switch
4. “ENGINE STOP” switch
5. Wiring connection
(Entire EXUP system)
NOTE:
??
Remove the following parts before troubleshooting.
1) Seat
3) Lower cowling (Left)
2) Seat cowling
??
Use the following special tool in this troubleshooting.
Pocket Tester:
P/N. YU-03112
Procedure ( 1)
Voltage
@Connect the pocket tester
to the
“EXUP control unit
connector.
Tester (+) Lead
Red/White
Terminal
Tester (-) Lead Black
Terminal
Содержание FZR400 1988-1989
Страница 1: ...Yamaha FZR400 Service Manual 1988 1989 Models ...
Страница 2: ......
Страница 79: ...LUBRICATION DIAGRAM ISPEC l LUBRICATION DIAGRAM Oil filter Oil strainer Oil pump ...
Страница 83: ...CABLE ROUTING CABLE ROUTING 3 2 24 ...
Страница 85: ...CABLE ROUTING bPECl j 39I CABLE ROUTING 4 2 26 ...
Страница 87: ...CABLE ROUTING ISPEC l CABLE ROUTING 5 2 28 ...
Страница 93: ...5 Remove Rear view mirrows Left and right 9 Remove 0 Upper cowling ...
Страница 250: ...FRONT AND REAR BRAKE piqzq ...
Страница 251: ...FRONT AND REAR BRAKE 8 Inspect Brake fl d level refer to the BRAKE FLUID INSPEC TICIN SeCtlo I the CHAPTER 3 ...
Страница 252: ...FRONT AND REAR BRAKE CHAS if31 Caliper Bleed screw 6 Nrn 0 6 m 4 3 18Nrn 1 8rn L 13ft b ...
Страница 296: ...CIRCUIT DIAGRAM wELEC ELECTRICAL FZR400WSUC CIRCUIT DIAGRAM q B I L 6 B Ch B B IL A 8 l ...
Страница 305: ...IGNITION SYSTEM ELECII IGNITION SYSTEM CIRCUIT DIAGRAM 8 11 ...
Страница 315: ...ELECTRIC STARTING SYSTEM ELECTRIC STARTING SYSTEM CIRCUIT DIAGRAM 8 21 ...
Страница 323: ...ELECTRIC STARTING SYSTEM a IDiode block is faulty Replace the diode block I 8 29 ...
Страница 324: ...ELECTRIC STARTING SYSTEM STARTER MOTOR Brush Armature Stator O ring 11 01 8 30 ...
Страница 327: ...CHARGING SYSTEM 1 CHARGING SYSTEM CIRCUIT DIAGRAM I R W1 tDm t 8 33 ...
Страница 332: ...ELECl m 1 LIGHTING SYSTEM LIGHTING SYSTEM CIRCUIT DIAGRAM I r 7 I 4 _r W B Ed L R 0 1 I I T L Br Ch Dg P t 8 39 ...
Страница 362: ...COOLING SYSTEM 1 ELECi ii 1 COOLING SYSTEM CIRCUIT DIAGRAM L Br LI R L D I G 8 69 ...
Страница 368: ...FUEL SYSTEM FUEL SYSTEM CIRCUIT DIAGRAM ...
Страница 395: ...J I II ...
Страница 396: ......
Страница 397: ...FOX Racing Shox Setup Manual MOTORCYCLE ...
Страница 408: ......
Страница 409: ......
Страница 410: ......
Страница 412: ...FZR400U A1 ...
Страница 476: ...FZR400U K1 ...
Страница 477: ...FZR400U K2 ...