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Throttle Body Assy - Kawasaki kx450f 2015 Owner's Manual

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62 MAINTENANCE AND ADJUSTMENT

Throttle Body Assy

Idle Speed Adjustment
Remove the left radiator shroud (see Spark Plug
section).
Thoroughly warm up the engine.
Turn the idle adjusting screw/choke knob to adjust
the idle speed 1 950 ~ 2 050 r/min (rpm) by using
the engine revolution tester (The tester should be
followed by the method described by the manu-
facture.).
A. Idle Adjusting Screw/Choke Knob
B. Tester
Open and close the throttle a few times to make
sure the idle speed does not change, and readjust
if necessary.
With the engine idling, turn the handlebar both
ways and check if handlebar movement changes
the idle speed. If so, the throttle cable may be im-
properly adjusted, incorrectly routed, or damaged.
Be sure to correct any of these conditions before
riding.
WARNING
Operation with damaged cables could result
in an unsafe riding condition. Replace dam-
aged control cables before operation.
NOTICE
This motorcycle's radiator does not incorpo-
rate cooling fan. Prolonged idling of the en-
gine with no airflow through the radiator can
cause coolant loss and engine overheating
resulting in possible engine damage. Any rid-
ing conditions that increase engine tempera-
ture will further reduce idling time before
coolant loss occurs. These conditions in-
clude high ambient temperature, sandy or
muddy terrain, or other conditions causing
high engine loads at low speeds. Further-
more, warming the engine up excessively be-
fore operation, or leaving idling with the hot
engine temperature after operation results in
the engine overheating, too.

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