![background image](http://html.mh-extra.com/html/cpi/gtr-50/gtr-50_service-manual_2675041021.webp)
CPI MOTOR
CYLINDER HEAD/CYLINDER/PISTON
GTR50
《
6-2
》
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
㎜