Basic Maintenance Procedures
Throttle Freeplay
Engine Idle Speed Adjustment
Spark Plug Maintenance
Freeplay
Lock Nut
Adjuster Nut
Idle Speed Adjustment Screw
Standard
Torch A7TC or
NGK C7HSA
Torch A6TC or
NGK C6HSA
Torch A8TC or
NGK C8HSA
For Cold Climate
For Extended High
Speed Riding
Throttle Freeplay - 1/16 - 1/4 inch (2 - 6mm)
1. Loosen the lock nut on the throttle cable mechanism.
2. Turn the adjuster nut in the direction needed to obtain
the proper throttle freeplay.
3. Tighten the lock nut.
4. After adjustment, check the throttle for smooth
rotation from fully closed to fully open in all
steering positions.
If you cannot obtain proper freeplay, contact your
autorized dealer or Monster Moto directly for assistance.
The engine must be at normal operating temperature in order to have an accurate idle speed
adjustment. Ten minutes of normal riding is sufficient to warm up the engine. Never attempt to
compensate for faults in other systems by adjusting the idle speed. If you are having trouble, please
contact your autorized dealer or Monster Moto directly.
- 1,400 rpm plus or minus 100 rpm.
Idle Speed
1. Warm up the engine, shift into neutral and place the
motorcycle on its side stand.
2. Connect a tachometer to the engine using the procedure
outlined by the tachometer manufacturer. If you do not
have a suitable tachometer, small digital units can be
purchased at most local auto part stores.
3. Adjust the idle by turning the idle speed adjustment
screw in the desired direction. The idle adjustment
screw is located on the left side of the carburetor.
The recommended standard spark plug will work well in
most riding conditions. However, if you plan on riding for
extended periods of time at high speed or high engine RPM
in hot climates, or plan extended riding in cold climates, a
different plug may be recommended.
Maintaining Your Dirtbike 22
Increase RPM
Decrease RPM
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