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Camshaft Chain Tensioner; Camshaft Chain Tensioner Removal; Camshaft Chain Tensioner Installation - Kawasaki KX250F Service Manual

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5-14 ENGINE TOP END

Camshaft Chain Tensioner

Camshaft Chain Tensioner Removal

This is a non-return type camshaft chain tensioner.
The push rod does not return to its original position
once it moves out to take up camshaft chain slack.
Observe all the rules listed below:
When removing the tensioner, do not take out the
mounting bolts only halfway.
mounting bolts from this position could damage
the tensioner and the camshaft chain. Once the
bolts are loosened, the tensioner must be removed
and reset as described in "Camshaft Chain Ten-
sioner Installation".
Do not turn over the crankshaft while the tensioner
is removed. This could upset the camshaft chain
timing and damage the valves.
Remove:
Cap Bolt [A]
Washer [B]
Spring
Rod
Remove the tensioner mounting bolts [C], and take off the
chain tensioner body [D].

Camshaft Chain Tensioner Installation

Replace the O-ring [A] with a new one.
Apply grease to the O-ring.
Release the stopper [B] and push the pushrod [C] into the
tensioner body [D] fully.
Install the tensioner body.
Turn the stopper to right side of the motorcycle.
Tighten:
Torque - Camshaft Chain Tensioner Mounting Bolts [A]: 9.8
N·m (1.0 kgf·m, 87 in·lb)
Install the spring [B] and rod [C].
Tighten the cap bolt [D] together with the washer [E].
Torque - Camshaft Chain Tensioner Cap Bolt: 20 N·m (2.0
kgf·m, 15 ft·lb)
NOTICE
Retightening the

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