ENGINE
CS-310
60
8-11 Assembling piston into cylinder
1. Apply 2-stroke oil on cylinder walls, oil seal
grooves, piston ring, ball bearing, and both sides
of con-rod.
2. Position end gap of piston ring with locating pin
(A).
3. Install piston in cylinder with arrow (B) pointing
to muffl er side.
NOTE:
When installing piston in cylinder, do not
twist cylinder to avoid breakage of piston ring and
scoring cylinder bore.
4. Make sure that rims of oil seal are properly seat-
ed in the grooves of cylinder (upper crankcase).
5. Apply liquid gasket (ThreeBond 1207D: Parts
No. X686-000000, or equivalent) on seams (C) of
lower crankcase.
6. Apply adhesive (Loctite #675 or equivalent) on
bearing bores (D) of lower crankcase as shown.
7. Set upper and lower crankcases as shown. Fas-
ten 4 bolts (E).
D
C
B
A
D
C
E
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