TOHATSU MFS 8B Service Manual page 151

1. Install connecting rod
to piston .
· Point "3V1-UP" mark
"UP" mark
· Be sure to use new piston pin clip, and place
clip gap away from piston pin groove
shown.
· Be sure that individual connecting rod cap is
installed to their original connecting rod.
2. Put expander (#4) into oil ring groove, and check that
ring ends meet correctly as shown.
3. While holding expander
side rail (#3) end into the groove so that the gap is away from
gap of expander (#4) to the left by 90° degrees.
4. In similar way, put lower side rail (#5) into the groove so that
the gap is away from gap of expander
90° degrees.
5. Install second ring (#2 taper) and top ring (#1) to piston.
Install the rings so that their side with manufacturer's
identification (T) faces upward.
6. Bring their gaps are away from each other as shown.
· Install piston rings so that their gaps are
away also from thrust direction of piston and
direction piston pin.
· After installing piston rings, check that they
move smoothly.
4st 8/9.8 2016
, piston pin , and piston pin clip
of connecting rod and
of piston at the same direction.
(#4) gap with thumb, put upper
(#4) to the right by
as
Do not reuse.
U P
5-47