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Periodic Maintenance Procedures; Fuel System; Fuel Hose And Connections Inspection; Throttle Grip (throttle Cable) Free Play Inspection - Kawasaki kx450f Service Manual

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2-12 PERIODIC MAINTENANCE

Periodic Maintenance Procedures

Fuel System

Fuel Hose and Connections Inspection

If the motorcycle is not properly handled, the high pres-
sure inside the fuel line can cause fuel to leak [A] or the
hose burst.
Replace the fuel hose if any fraying, cracks [B] or bulges
[C] are noticed.
Check that the fuel hose is routed according to Cable,
Wire, and Hose Routing section in the Appendix chapter.
When installing the fuel hose, avoid sharp bending, kink-
ing, flattening or twist, and route the fuel hose with a min-
imum of bending so that fuel flow will not be obstructed.
Replace the hose if it has been sharply bent or kinked.

Throttle Grip (Throttle Cable) Free Play Inspection

Check throttle grip free play [B] by lightly turning the throt-
tle grip [A] back and forth.
If the free play is improper, adjust the throttle cable.
Throttle Grip Free Play
Standard: 2 ∼ 3 mm (0.08 ∼ 0.12 in.)
Check that the throttle grip moves smoothly from full open
to close, and the throttle closes quickly and completely in
all steering positions by the return spring.
If the throttle grip does not return properly, check the throt-
tle cable routing, grip free play, and cable damage. Then
lubricate the throttle cable.
Run the engine at the idle speed, and turn the handlebar
all the way to the right and left to ensure that the idle speed
does not change.
If the idle speed increase, check the throttle cable free
play and the cable routing.
Throttle Grip (Throttle Cable) Free Play
Adjustment
Loosen the locknuts [A] [B] at the upper end of the throttle
cable.
Screw both throttle cable adjusters [C] [D] to give the
throttle grip plenty of play.
Turn out the decelerator adjuster [C] until there is no play
when the throttle grip is completely closed.
Tighten the locknut [A].
Turn the accelerator cable adjuster [D] until 2 ∼ 3 mm
(0.08 ∼ 0.12 in.) of throttle grip play is obtained.
Tighten the locknut [B].
Operation with an improperly adjusted, incorrectly
routed, or damaged cable could result in an unsafe
riding condition.
WARNING

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