Kawasaki KX250F (2004) [218/357] Http manuals magnamaniac com

CRANKSHAFT/T RANSMISSION 9-13

Crankshaft

Crankshaft Removal

•

Disassemble the crankcase (see Crankcase D isassem-

bly).

•

Remove the transmission shaft (see this chapter).

•

Using the hand press [A], remove the crankshaft [B] from

the right crankcase [C].

If the bearing stay on the crankshaft when splitting the

crankcase, or removing the crankshaft from the right re-

move the bearings from the crankshaft w ith a bearing

puller.

Special Tools - Bearing Puller [A]: 57001–135

Crankshaft Installation

•

Apply high-temperature grease to the outer side of the

crankshaft bearings and use the bearing driver set [A] and

a press to drive the bearing to the bottom of the crankcase

[B]. While driving the bearing in, make sure to use a holder

to support the boss area.

Special Tool - Bearing Driver Set: 57001–1129

•

Insert the crankshaft jig [A] between the crankshaft fly-

wheels opposite the connecting rod big end to protect fly-

wheel alignment as shown, and press the crankshaft into

the right crankcase.

•

When pressing, position t he jig in the crankcase opening

so the jig does not hit the crankcase.

Special Tool - Crankshaft Jig: 57001–1174

•

Apply engine oil to the connecting rod big end bearing.

Crankshaft Disassembly

Since assembly of the crankshaft dem ands exacting tol-

erances, the disassembly and reassembly of the crankshaft

can only be done by a shop having the necessary tools and

equipment.

•

If it should be necessary to disassemble the crankshaft,

use a press to remove the crankpin.