Piston Removal; Piston/Piston Ring Inspection; Cylinder Inspection - CPI GTR 50 Service Manual

CYLINDER HEAD/CYLINDER/PISTON

PISTON REMOVAL

Remove the piston pin clip.
NOTE:
Do not let the clip fall into the crankcase.
Remove the piston pin.
Remove the piston.
PISTON / PISTON RING INSPECTION
Remove the piston rings.
Clean the grooves for carbon deposit completely.
NOTE:
Do not damage the piston ring during
removal.
Cylinder block flatness inspections:
SERVICE LIMITS: 0.05 ㎜

CYLINDER INSPECTION

Inspect the cylinder bore for wear or damage.
Measure the cylinder I. D. at three places; top,
middle and bottom of piston travel and in two
directions at right angle to each other.
STANDARD:39.993-40.013mm
SERVICE LIMITS: 40.2 ㎜
《6-2》
CPI MOTOR
GTR50