Honda CRF230F User Manual

65
IDLE SPEED
Refer to the Safety Precautions on page 47.
Idle Speed:
The engine must be at normal operating
temperature for accurate idle speed
adjustment. Ten minutes of stop-and-go riding
is sufficient.
Do not attempt to compensate for faults in
other systems by adjusting idle speed. See
your Honda dealer for regularly scheduled
carburetor adjustments.
(1) Throttle stop screw (A) Increase
(2) Pilot screw (B) Decrease
1.Warm up the engine and hold the
motorcycle upright.
2. Connect a tachometer to the engine.
3. Adjust idle speed with the throttle stop
screw (1).
Idle speed (In neutral):
1,400 ± 100 min
-1
(rpm)
(2)
(1)
Idle Mixture:
1. Adjust the fuel mixture by turning the pilot
screw (2) clockwise until you hear the
engine miss or decrease in speed, then
counterclockwise until the engine again
misses or decrease in speed. Set the pilot
screw exactly between these two extreme
positions.
From a fully closed position, the correct
setting (between extremes of rich and lean)
will be approximately: 1-5/8
2. If the idle speed changes after adjusting
fuel mixture, readjust the idle speed by
turning the throttle stop screw.

Honda CRF230F Specifications

General

Engine Type	223cc air-cooled single-cylinder four-stroke
Bore x Stroke	65.5mm x 66.2mm
Compression Ratio	9.0:1
Ignition	CDI
Front Brake	Single 240mm disc
Rear Brake	Drum
Front Tire	80/100-21
Rear Tire	100/100-18
Trail	4.4 inches
Ground Clearance	11.7 inches
Curb Weight	249 pounds
Induction	26mm Keihin carburetor
Final Drive	Chain
Rear Suspension	Pro-Link Showa single shock; 9.0 inches travel
Transmission	5-speed