Yamaha 2009 YZF-R1 (Y) User Manual

IGNITION SYSTEM
8-5
EAS27150
TROUBLESHOOTING
The ignition system fails to operate (no spark or intermittent spark).
TIP
• Before troubleshooting, remove the following part(s):
1. Rider seat
2. Passenger seat
3. Air filter case duct
4. Side cowlings
NG→
OK↓
NG→
OK↓
NG→
OK↓
NG→
OK↓
NG→
OK↓
NG→
OK↓
1. Check the fuses.
(Main, ignition and fuel injection
system)
Refer to “CHECKING THE FUSES”
on page 8-125.
Replace the fuse(s).
2. Check the battery.
Refer to “CHECKING AND
CHARGING THE BATTERY” on
page 8-125.
• Clean the battery terminals.
• Recharge or replace the battery.
3. Check the spark plugs.
Refer to “CHECKING THE SPARK
PLUGS” on page 3-4.
Re-gap or replace the spark plugs.
4. Check the ignition spark gap.
Refer to “CHECKING THE IGNI-
TION COILS” on page 8-132.
Ignition system is OK.
5. Check the ignition coils.
Refer to “CHECKING THE IGNI-
TION COILS” on page 8-132.
Replace the ignition coils.
6. Check the crankshaft position sen-
sor.
Refer to “CHECKING THE
CRANKSHAFT POSITION SEN-
SOR” on page 8-133.
Replace the crankshaft position sen-
sor.

Yamaha 2009 YZF-R1 (Y) Specifications

General

Bore x Stroke	78.0 mm x 52.2 mm
Compression Ratio	12.7:1
Fuel System	Fuel injection with YCC-T and YCC-I
Ignition	TCI: Transistor Controlled Ignition
Transmission	6-speed w/multiplate slipper clutch
Final Drive	Chain
Front Tire	120/70-ZR17
Rear Tire	190/55-ZR17
Seat Height	835 mm
Wet Weight	206 kg
Engine Type	Liquid-cooled, 4-stroke, DOHC, inline 4-cylinder
Front Suspension	43 mm inverted fork, fully adjustable
Rear Suspension	Single shock, fully adjustable
Front Brakes	Dual 310 mm discs, radial-mount 6-piston calipers
Rear Brakes	220 mm disc, single-piston caliper
Dimensions (L x W x H)	2, 070 mm x 715 mm x 1, 130 mm
Wheelbase	1415 mm
Fuel Capacity	18 L