Piston Installation (Dink 50); Cylinder Installation (Dink 50) - KYMCO DINK 125 Service Manual

7
. CYLINDER/PISTON
nspect the exhaust side and intake side chain
guides.
Wear/Damage → Replace.
PISTON INSTALLATION
Remove any gasket material from the
crankcase surface.
＊
Be careful not to drop foreign matters
into the crankcase.
Install the piston, piston pin and a new piston
pin clip.
＊
• Position the piston "IN" mark on the
intake valve side.
• Place a clean shop towel in the
crankcase to keep the piston pin clip
from falling into the crankcase.
CYLINDER INSTALLATION
Install the dowel pins and a new cylinder
gasket on the crankcase.
Coat the cylinder bore, piston and piston
rings with clean engine oil.
Carefully lower the cylinder over the piston
by compressing the piston rings.
＊
• Apply proper clean engine oil around
cylinder wall.
• Be careful not to damage or break the
piston rings.
• Stagger the ring end gaps at 120° to the
piston pin.
7-17
Exhaust Side Guide
"IN" Mark
DINK 50/125
Intake Side Guide