Engine Idle Speed - Honda 2005 CRF450R Owner's Manual

Engine Idle Speed

Refer to Safety Precautions on page 19.
Remember, idle speed adjustment in not a
"cure-all" for other problems in your engine's
fuel-delivery system. Adjusting the idle will not
compensate for a fault elsewhere.
The engine must be at normal operating
temperature for accurate idle speed adjustment.
Idle Speed Adjustment
1. If the engine is cold, start it and warm it up 3
minutes. Then shut it off.
2. Connect a tachometer to the engine.
3. Shift the transmission into neutral. Start the
engine.
4. Keep the motorcycle in an upright position.
5. Adjust idle speed with the throttle stop screw
(1).
Idle speed: 1,700 ± 100 rpm
(1)
(1) throttle stop screw
48
Servicing Your Honda