Kawasaki KX250F (2004) [36/357] Http manuals magnamaniac com
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Kawasaki KX250F (2004) [36/357] Http manuals magnamaniac com

Kawasaki KX250F (2004) [36/357] Http manuals magnamaniac com
PERIODIC MAINTENANCE 2-17
Periodic Maintenance Procedures
Engine Top End
Valve Clearance Inspection
NOTE
○
Valve clearance must be checked and adjusted when
the engine is cold (at room temperature).
•
Remove:
Cylinder Head Cover (see Engine Top End chapter)
Timing Inspection Cap [A]
Flywheel Cap [B]
•
Fist, bring the piston to the top-dead-center of its com-
pression stroke to inspect the valve clearance (the posi-
tion at the end of the compression stroke), when the cam
lobe faces outside of the camshaft.
○
Place a wrench over the flywheel nut and turn it counter-
clockwise to align the TDC mark [A] with the center of the
grove [B ] of the inspection hole.
•
Using a thickness gauge [A], m easure t he clearance be-
tween each cam lob and valve lifter, for all four valves.
○
For the purpose of adjusting the valve clearances, record
the measured values.
Valve clearance: between cam and valve lifter
Standard:
Exhaust
0.17 ∼ 0.22 mm (0.0067 ∼ 0.0087 in.)
Inlet
0.10 ∼ 0.15 mm (0.0039 ∼ 0.0059 in.)
If the valve clearance is not within the specified range,
adjust it.
Valve C learance Adjustment
•
Remove the camshaft caps [A] (see Engine Top End
chapter).
•
Remove the camshafts [B] (see Engine Top End chapter).
•
Remove the valve lifters [C] of the applicable valve.
•
Remove the shim [D] from the top of the spring retainer.

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