GPX 250r TSE, Maintenance Manual

Page: 80 / 104

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INSTALLATION OF CYLINDER
The installation steps of the cylinder block are as follows:
1. Install the new paper pad and positioning pin.
2. Coat the cylinder and piston ring with a layer of oil.
3. Install the cylinder.
The tightening torque of cylinder block nut: 24
± 2N.m
NOTE : When installing, avoid damaging the piston. Do
not let the positioning pin fall into the box.
4. Install the cylinder head gasket
5. Install the cylinder head
The tightening torque of the cylinder head nut: 24 ± 2N.m
REMOVAL OR INSPECTION OF CLUTCH
CLUTCH PARTS SPECIFICATIONS
ITEM STANDARD
（
mm
）
REPAIR LIMIT VALUE
（
mm
）
CLUTCH
Free Move
2
～
3 /
Active friction
plate thickness
2.95 ～ 3.05
2.7
Driven friction
plate thickness
Maximum flatness
0.1 0.2
Free height of main
spring
35.5 34
REMOVAL OF THE RIGHT
CRANKCASE COVER
The steps for removing the right crankcase cover are as
follows:
1. Drain the engine oil.
2. Release the coolant.
3. Loosen the connecting bolt of the right crankcase
cover.
4.
Remove the right crankcase cover.