33
MAINTENANCE INSTRUCTIONS
- Check that the throttle grip turns smoothly.
- Loosen the lock nut
B
.
- Rotate the adjustment bolt
C
until the indicated play is reached.
- Tighten the locknut
B
.
Adjusting idle speed
DANGER
The exhaust gasses are highly toxic. The idle adjustment
operation must be carried out in open spaces or in suitably
ventilated premises.
The carburettor has an idle adjustment screw
A
, which acts on the
fuel opening cylinder in the carburettor.
The bolt
B
adjusts the supply of air-fuel for the deceleration system.
To set the engine speed to a minimum or slow the engine down then
take the following steps:
- Use the motorcycle until the normal operation temperature is
reached.
- Stop the engine and secure the motorcycle (for example on a
support stand).
- Start the engine.
- Rotate the bolt
A
until the engine runs continuously.
Note
-
Rotating the screw A clockwise will increase the engine speed.
-
Rotating the screw A anticlockwise will decrease the engine
speed.
- Rotate the bolt
B
until the engine reaches the highest speed.
Note
-
Tightening the screw B will restrict the flow of air-fuel mixture
-
Loosening the screw B will open the flow of air-fuel mixture
- Tighten the screw
B
about
1
/
4
of a turn.
Rotate the bolt
A
until the engine reaches the required idle speed.
A
B
