GPX 250r TSE, Руководство по обслуживанию

Страница: 75 / 104

GPX MOTO
www.GPXMOTO.com + www.GPXMOTOUK.com
- 62 -
4. Install the cooling pump cover
NOTE : Sealant needs to be applied to both sides of the
paper pad of the cooling pump cover.
NOTE : The tightening torque of the cooling pump cover
bolts is 10
～
15N.m.
ENGINE CYLINDER BLOCK AND PISTON
CYLINDER AND PISTON PARTS
SPECIFICATIONS
ITEM
STANDARD
（
mm
）
Repair Limit Value
（
mm
）
CYLINDER BLOCK Cylinder hole diameter
66.80
～
66.818
66.878
PISTON
Piston outer diameter
66.752
～
66.767
66.602
Piston pin hole inner
diameter
16.004
～
16.015
16.042
Width of the bottom of
a ring groove
0.86 ～ 0.875
0.96
Width of the bottom of
the second ring groove
1.21
～
1.23
1.31
LINKAGE
Small head aperture
diameter
21 ～ 21.008
21.04
PISTON PIN Outer diameter
15.994
～
16.000
15.96
CYLINDER AND PISTON CLEARANCE
0.033
～
0.066
0.123
PISTON PIN HOLE AND PISTON PIN
CLEARANCE
0.004
～
0.021
0.022
PISTON RING
THICKNESS
The outer edge
thickness of a ring
1.17
～
1.19
1.1
Outer edge thickness
of second ring
1.17
～
1.19
1.1
CLEARANCE
BETWEEN PISTON
RING AND RING
GROOVE
First ring
0.02 ～ 0.04
0.14
Second ring
0.02
～
0.07
0.17