Kawasaki KX250F (2004) [213/357] Http manuals magnamaniac com

9-8 CRANKSH AFT/TRANSMISSION

Crankcase

Crankcase Assembly

CAUTION

Right and left crankcase halves are machined at the

factory in the assembled state, so if replaced, they

must be replaced as a set.

•

Remove the old gasket from the mating surfaces of the

crankcase halves and clean them off w ith a high–flash

point solvent.

•

Using compressed air, blow out the oil passages in the

crankcase halves.

WARNING

Clean the engine parts in a well–ventilated area, and

take care that there are no sparks or flame any-

where near the working area; this includes any ap-

pliance w ith a pilot light. Do not use gasoline or a

low–flash point solvent to clean parts. A fire or ex-

plosions could result.

•

Be sure to replace any oil seal removed with a new one.

•

Press in the new oil seals using a press and bearing driver

so that the seal surface [A] is flush [B] with the surface of

the crankcase [C].

•

Apply high-temperature grease to the oil seal lips [D].

Right Crankcase Oil Seal [F]

Metal Side Face [E]

Left Crankcase Oil Seals (output shaft [G], shift shaft [H])

•

Support the crankcase bearing boss with a suitable re-

tainer [A].

•

Using a press and the bearing driver set [C], install a new

bearing [B] until it bottoms out.

Special Tool - Bearing Driver Set: 57001–1129

CAUTION

Support the crankcase bearing boss when the bear-

ing is pressed, or the crankcase could be damaged.