Main switch/steering lock
The main switch/steering lock controls the ignition and lighting systems, and is used to lock the steering. The various positions are described below.
ON
All electrical circuits are supplied with power, the meter lighting, taillight, license plate light and auxiliary lights come on, and the engine can be started. The key cannot be removed.
TIP
The headlight comes on automatically when the engine is started and stays on until the key is turned to "OFF", even if the engine stalls.
OFF
All electrical systems are off. The key can be removed.
WARNING
Never turn the key to "OFF" or
"LOCK" while the vehicle is moving.
Otherwise the electrical systems will
be switched off, which may result in
loss of control or an accident.
LOCK
The steering is locked, and all electrical systems are off. The key can be removed.
To lock the steering

Push.
Turn.
To unlock the steering

Push.
Turn.
Push the key into the main switch, and then turn it to "OFF" while still pushing it.
Indicator and warning lightsAdjusting the drive chain slack
NOTE:
The drive chain slack must be checked at the
tightest point on the chain.
CAUTION:A drive chain that is too tight will
overload
the engine and other vital parts, and one that
is too loose can skip and damage the swingarm
or cause an accident. Therefore, keep
the drive ...
Replacing the air filter element and cleaning the check hose
The air filter element should be replaced
at the intervals specified in the
periodic maintenance and lubrication
chart. Have a Yamaha dealer replace
the air filter element more frequently if
you are riding in unusually wet or dusty
areas. In addition, the air filter check
hose must be ...
Circuit diagram
4. Main fuse
5. Main switch
9. Battery
14.Neutral switch
25.ECU (engine control unit)
31.Fuel sender
34.Rear brake light switch
35.Front brake light switch
37.Tail/brake light
38.Rear right turn signal light
39.Rear left turn signal light
40.Front right turn signal light
41.Front lef ...