Yamaha R1 2003 User Manual

8 - 15
– +
ELEC
ELECTRIC STARTING SYSTEM
EAS00757
TROUBLESHOOTING
Check:
1. main and ignition fuses
2. battery
3. starter motor
4. starting circuit cut-off relay
5. starter relay
6. main switch
7. engine stop switch
8. neutral switch
9. sidestand switch
10.clutch switch
11.start switch
12.wiring connections
(of the entire starting system)
NOTE:
_
• Before troubleshooting, remove the following
part(s):
1. seat
2. fuel tank
3. left side cowling
• Troubleshoot with the following special
tool(s).
EAS00738
EAS00739
EAS00758
The starter motor fails to turn.
Pocket tester
YM-03112
1. Main and ignition fuses
• Check the main and ignition fuses for con-
tinuity.
Refer to “CHECKING THE FUSES” in
chapter 3.
• Are the main and ignition fuses OK?
YES
NO
Replace the fuse(s).
2. Battery
• Check the condition of the battery.
Refer to “CHECKING AND CHARGING
THE BATTERY” in chapter 3.
Minimum open-circuit voltage
12.8 V or more at 20 °C (68 °F)
• Is the battery OK?
YES
NO
• Clean the battery
terminals.
• Recharge or
replace the bat-
tery.
3. Starter motor
• Connect the positive battery terminal
1
and starter motor lead
2
with a jumper
lead
3
.
WARNING
_
• A wire that is used as a jumper lead
must have at least the same capacity or
more as that of the battery lead, other-
wise the jumper lead may burn.
• This check is likely to produce sparks,
therefore make sure nothing flammable
is in the vicinity.
• Does the starter motor turn?
YES
NO
Repair or replace the
starter motor.

Yamaha R1 2003 Specifications

General

Compression Ratio	11.8:1
Fuel System	Fuel injection
Ignition	Digital TCI
Transmission	6-speed
Final Drive	Chain
Front Tire	120/70-ZR17
Rear Tire	190/50-ZR17
Wheelbase	1, 395 mm
Seat Height	835 mm
Width	720 mm
Ground Clearance	135 mm
Front Suspension	43mm telescopic fork
Rear Suspension	Single shock
Front Brakes	Dual 320 mm discs
Rear Brakes	220 mm disc, single-piston caliper
Fuel Capacity	18 L
Maximum Power	152 hp @ 10, 500 rpm
Maximum Torque	106 Nm (78 lb-ft) @ 10, 500 rpm
Engine Type	Liquid-cooled, 4-stroke, DOHC, 20-valve, inline-four
Length	2, 060 mm