engine YAMAHA YZF-R1SC 2004 Service Manual

YAMAHA YZF-R1SC 2004 Service Manual YZF-R1SC 2004 YAMAHA YAMAHA https://www.carmanualsonline.info/img/51/57496/w960_57496-0.png YAMAHA YZF-R1SC 2004 Service Manual

Page 445 of 457

YAMAHA YZF-R1SC 2004  Service Manual 8-52
FUEL PUMP SYSTEMELEC
WARNING
EAS00819
CHECKING THE FUEL PUMP
Gasoline is extremely flammable and under
certain circumstances there can be a danger
of an explosion or fire. Be extremely careful
an

Page 446 of 457

YAMAHA YZF-R1SC 2004  Service Manual 8-53
SELF-DIAGNOSISELEC
SELF-DIAGNOSIS
The YZF-R1(S) features a self-diagnosing system for the following circuit(-s):
Fuel pump thermistor
Oil level switch
If any of these circuits are defective, th

Page 449 of 457

YAMAHA YZF-R1SC 2004  Service Manual 9-1
STARTING FAILURES
TRBL
SHTG
NOTE:
FUEL SYSTEM
Fuel tankEmpty fuel tank
 Clogged fuel filter
 Clogged fuel strainer
 Clogged fuel tank drain hose
 Deteriorated or contaminated fuel
Fuel pump 

Page 450 of 457

YAMAHA YZF-R1SC 2004  Service Manual 9-2
9
Starting systemFaulty starter motor
 Faulty starter relay
 Faulty starting circuit cut-off relay
 Faulty starter clutch
STARTING FAILURES / INCORRECT ENGINE IDLING SPEED /
POOR MEDIUM-AND-HI

Page 451 of 457

YAMAHA YZF-R1SC 2004  Service Manual 9-3
FAULTY GEAR SHIFTING / FAULTY CLUTCH
TRBL
SHTG
JUMPS OUT OF GEAR
Shift shaft
Incorrect shift pedal position
Improperly returned stopper lever
Shift forks
Worn shift fork
Shift drum
Incorrect a

Page 452 of 457

YAMAHA YZF-R1SC 2004  Service Manual 9-4
OVERHEATING / OVERCOOLING /
POOR BRAKING PERFORMANCETRBL
SHTG
FUEL SYSTEM
Throttle body (-ies)
Damaged or loose throttle body joint
Air filter
Clogged air filter element
CHASSIS
Brake(s)
Draggi

Page 455 of 457

YAMAHA YZF-R1SC 2004  Service Manual 59Clutch switch
60Turn signal switch
61Horn
62Front turn signal / position light (left)
63Front turn signal / position light (right)
64Rear turn signal light (left)
65Rear turn signal light (right)
66
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