±
1,400
100 min (rpm)
112
Air-Fuel Mixture Adjustment
Engine Idle Speed
and Air-Fuel Mixture
Servicing Your Honda
Park your ATV on a firm, level surface.
Connect a tachometer to the engine.
Shift into neutral. Start the engine.
Adjust idle speed by turning the throttle stop screw ( ).
Idle speed (in neutral):
Turn the pilot screw ( ) clockwise until you hear the engine miss or
decrease in speed.
Then turn the screw counterclockwise until the engine misses or
decreases in speed again.
If idle speed changes after adjusting the fuel mixture, readjust the
throttle stop screw.
Centre the pilot screw exactly between the two extreme positions.
Usually, the correct setting (between extremes of rich and lean) will
be found at 2-1/4 turns open from a fully closed position.
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Summary of Contents for SPORTRAX 250EX
Page 1: ...Honda TRX250EX SPORTRAX 250EX OWNER S MANUAL...
Page 8: ......
Page 14: ...6 Safety Labels ATV Safety...
Page 15: ...7 Safety Labels ATV Safety...
Page 16: ...8 ATV Safety...
Page 20: ...rear brake pedal 12 Indicators Controls Operation Component Locations...
Page 78: ...70 Basic Operation Riding...
Page 182: ...174 Taking Care of the Unexpected...