Specifications

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CYLINDER GAUGE

TOP

MIDDLE

LOW

CYLINDER

CAM SHAFT HOLDER

CAK CHAIN

CYLINDER

REMOVAL

● Remove the engine from the engine.

● Remove the cylinder head cover.

● Remove the cam shaft holder

● Remove the cylinder head.

● Remove the cam chain guide from the cylinder.

● Remove the cylinder

● Remove the gasket and dowel pin.

● Remove any adhering gasket material from the

cylinder/ head mating surface.

NOTE

•Take care not to damage the cylinder mating

surface.

INSPECTION

● Measure and record the cylinder inner diameter at

three levels in both an X and Y axis.

● Take the maximum reading to determine the cylinder

wear.

SERVICE LIMIT : 39.04 MM

● Measure the piston outer diameter.

● Calculate the piston-to-cylinder clearance. Take the

maximum reading to determine the clearance.

SERVICE LIMIT : 0.08 MM

● Calculate the cylinder for out-of round at three levels

in an X and Y axis. Take the maximum reading to

determine the out-of-round.

● Calculate the cylinder for taper at three levels in X

and Y axis. Take the maximum reading to determine

the taper,

● If any of the cylinder measurements exceed the

service limits, replace the cylinder.

SERVICE LIMIT: OUT-OF-ROUND :0.05MM

TAPER: 0.05MM

CYLINDER / PISTON