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Idle Speed Adjustment; Air Cleaner Element Cleaning And Inspection - Kawasaki KX450F Service Manual

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Periodic Maintenance Procedures
Check the idle speed, using the engine revolution tester
[A] for high accuracy.
If the idle speed is out of specified range, adjust it.
Idle Speed:
1 800 ±50 r/min (rpm)

Idle Speed Adjustment

First, turn in the air screw using the pilot screw adjuster
[A], until it seats lightly, and back it out the specified num-
ber of turns. (see Specifications Section in the Fuel Sys-
tem chapter)
Special Tools - Pilot Screw Adjuster, C: 57001-1292
(or Pilot Screw Adjuster, D: 57001-1588)
Pilot Screw Adjuster Adapter,
Start the engine and warm it up thoroughly.
Turn the idle adjusting screw [B] until the idle speed is
To increase idle speed [C]
To decrease idle speed [D]
Open and close the throttle a few times to make sure that
the idle speed is within the specified range. Readjust if

Air Cleaner Element Cleaning and Inspection

In dusty areas, the element should be cleaned more
frequently than recommended interval.
After riding through rain or on muddy roads, the element
should be cleaned immediately.
Since repeated cleaning opens the pores of the ele-
ment, replace it with a new one in accordance with the
Periodic Maintenance Chart. Also, if there is a break in
the element material or any other damage to the ele-
ment, replace the element with a new one.
Clean the element in a well-ventilated area, and take
care that there are no sparks or flame anywhere
near the working area; this includes any appliance
with a pilot light. Because of the danger of highly
flammable liquids, do not use gasoline or a low
flash-point solvent to clean the element.
4: 57001


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   Also See for Kawasaki KX450F

This manual is also suitable for:

Kx450f 2006Kxf 450

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  • paulo sergio borges Apr 13, 2016 05:03:
    quantidade oleo suspencao kx 450 f