Yamaha YZF-R1(B) 2012 User Manual

FUEL INJECTION SYSTEM
8-87
C. Clutch switch system malfunction
5 Shift drum (that detects the
neutral position) malfunction
Check the gear shift drum
(that detects the neutral posi-
tion).
Refer to “CHECKING THE
SHIFT DRUM ASSEMBLY”
on page 5-96.
Malfunction → Replace the
shift drum.
Start the engine, and check
the secure connection of the
coupler.
Ride the vehicle at a low
speed (approx. 20–30 km/h).
Then, check the fault code
indication.
No fault code indicated. →
Recovered.
Fault code indicated. →
Check the next step.
6 Malfunction of the ECU or
speedometer.
Replacement of the ECU or
speedometer.
Item/components and
probable cause
Check or maintenance job
Sensor inspection proce-
dure
1 Adjusting the clutch lever free
play
Refer to “ADJUSTING THE
CLUTCH CABLE FREE
PLAY” on page 3-14.
Start the engine, and check
the secure connection of the
coupler.
Ride the vehicle at a low
speed (approx. 20–30 km/h).
Then, check the fault code
indication.
No fault code indicated. →
Recovered.
Fault code indicated. →
Check the next step.
2 Connection of clutch switch
coupler
Check the connection of the
coupler is secure.
Remove the coupler, and
check each pin (for bending,
wear, or locking).
Poor connection → Recon-
nect or repair the coupler.
Start the engine, and check
the secure connection of the
coupler.
Ride the vehicle at a low
speed (approx. 20–30 km/h).
Then, check the fault code
indication.
No fault code indicated. →
Recovered.
Fault code indicated. →
Check the next step.
3 Connection of main harness
ECU coupler
Check the connection of the
coupler is secure.
Remove the coupler, and
check each pin (for bending,
wear, or locking).
Poor connection → Connect
it securely, or repair/replace
the wire harness.
Start the engine, and check
the secure connection of the
coupler.
Ride the vehicle at a low
speed (approx. 20–30 km/h).
Then, check the fault code
indication.
No fault code indicated. →
Recovered.
Fault code indicated. →
Check the next step.
Item/components and
probable cause
Check or maintenance job
Sensor inspection proce-
dure

Yamaha YZF-R1(B) 2012 Specifications

General

Brand	Yamaha
Model	YZF-R1(B) 2012
Category	Motorcycle
Language	English