ZHEJIANG KAYO MOTOR CO., LTD.
www.kayomoto.com
54
The clearance between each ring in the oil ring should
be matched with the clearance of the other ring. When
installing the oil ring, install the spacer ring first, and
then install the side guide rail.
Note:
- make sure piston and piston ring are in good
condition.
- When install piston ring, make the sides with words
of first and second ring toward the top of the piston,
and the opening is staggered 180
°
, and the opening
direction is towards the piston skirt; The openings of
the two oil rings must be staggered 120
°
~ 180
°
,
and cannot be aligned with the piston pin hole. The
piston rings should rotate flexibly.
- Do not reverse the mounting position of the top and
second rings.
Install the piston
- Install piston with "IN" mark towards air inlet side.
- The end gap of the piston pin retainer ring should be
staggered with the piston notch.
- use new piston pin retainer when reassemble piston.
- keep piston pin retainer away from dropping into
crankcase.
Install cylinder block
- smear oil on cylinder, piston and piston ring before
installation.
- do not use worn or damaged gaskets.