Kawasaki KX250F (2004) [46/357] Http manuals magnamaniac com

PERIODIC MAINTENANCE 2-27

Periodic Maintenance Procedures

Connecting Rod Big End Side Clearance

•

Measure the connecting rod big end side clearance [A].

Connecting Rod Big End S ide Cleara nce

Standard: 0.25 ∼ 0.35 mm (0.0098 ∼ 0.0138 in.)

Service Limit: 0.55 mm (0.0217 in.)

If the clearance exceeds the service limit, replace the

crankshaft assembly.

Crankshaft Runout

•

Set the crankshaft in a flywheel alignment jig or on V

blocks, and place a dial gauge as shown and turn the

crankshaft slowly. The maximum difference in gauge

reading is the crankshaft runout.

Standard: TIR 0.03 mm (0.0012 in.) or less

Service Limit: TIR 0 .08 mm (0.0031 in.)

If the runout at either point exceeds the service limit, re-

place the crankshaft assembly with a new one or align the

crankshaft so that the runout falls within the service limit.

8 mm (0.354 in.) [A]

•

First correct the horizontal misalignment by striking the

projecting crank half [A] with a plastic, soft lead, or brass

hammer as shown.

•

Recheck t he runout with a dial gauge and repeat the

process until the runout falls within the service limit.