Service Information - CPI GTR180 Service Manual

CPI MOTOR
V.CYLINDER & PISTON

SERVICE INFORMATION

GENERAL INSTRUCTIONS
The cylinder and piston can be serviced with the engine installed in the frame.
When installing the cylinder, use a new cylinder gasket and make sure that the dowel pins
are correctly installed.
After disassembly, clean the removed parts and dry them with compressed air before
inspection.
SPECIFICATIOS
I.D.
WARPAGE
CYLINDER
CYLINDRICITY
TRUE ROUNDNESS
RING-TO-GROOVE
CLEARANCE
RING END GAP
PISTON,
PISTO RING
PISTON O.D.
PISTON O.D MEASURING
POSITION.
PISTON-TO-CYLINDER
CLEARANCE
PISTON PIN HOLE I.D.
PISTON PIN O.D.
PISTON-TO-PISTON PIN CLEARANCE
CONNECTION RID SMALL END I.D.
BORE
STANDARD (mm)
57.4~57.401
TOP
0.025~0.060
0.015~0.050
SECOND
TOP 0.100~0.250
0.250~0.400
SECOND
OIL SIDE
0.200~0.800
RAIL
57.365~57.395
9mm from bottom of
0.010~0.040
15.002~15.008
14.994~15.000
0.002~0.014
15.016~15.034
《 5-2 》
SERVICE LIMIT(mm)
－
－
－
skirt
GTR180
57.3
0.05
0.05
0.05
0.090
0.090
0.500
0.650
－
57.3
－
0.100
15.040
14.960
0.020
15.060