Honda 2009 CRF450X - Personal Fit Adjustments

HONDA O/M CRF450X (Eu) 3RMEY620 00X3R-MEY-6200
HONDA O/M CRF450X (Eu) 3RMEY620 00X3R-MEY-6200
Carburetor Adjustment & Tuning Tips
(5) air vent hoses
(6) overflow hose
(7) fuel line
(8) fuel line clamps
(5)
(6)
(5)
(7)
(5)
(6)
(8)
(8)
0 – 3 mm (0 – 0.1 in)
140 Adjustments for Competition
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 min
–1
(rpm)
(1) throttle stop screw
(1)