DAELIM VJF125 Service Manual - page 157
PISTON / CYLINDER ASSEMBLY
PISTON RING ASSEMBLY
Clean the piston ring assembly ring groove of
the piston with oil.
Carefully install the piston rings onto the piston with
the markings facing up.
After installation, the rings should rotate freely in the
ring grooves.
PISTON / CYLINDER INSTALLATION
Remove gasket on the crank care surface.
11-5
CYLINDER / PISTON
MARK
TOP RING
SECOND RING
SIDE RAIL
SPACER
OIL RING
SIDE RAIL
Be careful not to damage the piston and rings during
assembly.
Do not confuse the top and second rings.
Space the ring end gaps 120 degrees apart.
Install the ring forward to the marking facing up.
Do not accord the side rail of oil ring
Place a clean shop towel over the crankcase to prevent
the clip from falling into the crankcase.
Do not damage the contact place of gasket
TOP RIDNG
SECOND RING
Insert the piston and piston into the conrod
Install new piston pin clips.
Always use new piston pin clips. Reinstalling used
piston pin clips may lead to serious engine damage.
“IN”MARK, it does toward to intake side.
Take care not to drop the piston pin clip into the
crankcase.
Do not align the clip’s end gap with the piston
cutout.