User Manual - Page 119

For 2012 TRX90X.

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±1,600 100 rpm
(1)
(1) throttle stop screw
LEFT SIDE
112
Idle Speed Adjustment
Engine Idle Speed
Servicing Your Honda
Safety Precautions
The best way to assure proper carburetion is to see your dealer for
regularly scheduled servicing, including carburetor adjustment.
Refer to on page .
Remember, idle speed adjustment is not a ‘‘cure-all’’ for other problems
in your engine’s fuel-delivery system. Adjusting the idle will not
compensate for a fault elsewhere.
Park your ATV on a firm, level surface.
Connect a tachometer to the engine.
Shift into neutral. Start the engine.
If the engine is cold, start it and warm it up with 10 minutes of stop-
and-go riding. Stop the engine.
The engine must be at normal operating temperature for accurate idle
speed adjustment.
For information about high altitude carburetor adjustment, see page .
Adjust idle speed using a screwdriver to turn the throttle stop screw
( ). Idle speed (in neutral):
1.
2.
3.
4.
5.
84
1
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11/05/13 11:27:21 31HP2640 0121 
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