3-71
3
A. Place the oil expander ring in the 3rd (bottom)
ring groove; then install the oil scraper ring
over the expander making sure the oil scraper
ring end gap is not directly in line with the
expander spring ends.
B. Install the 2nd (middle) compression ring in the
middle ring groove with the TOP or UP mark-
ings on the ring directed toward the top of the
piston.
C. Install the 1st (top) compression ring in the top
ring groove with the TOP or UP markings on
the ring directed toward the top of the piston.
NOTE: The top compression ring is full chrome
(silver) and the middle compression ring has a par-
tial chrome band on the bottom side. Both rings
have a chamfered inner radius. The chamfer must
be directed upward.
0742-252
15. Remove the connecting rod caps keeping bearing
inserts in place; then position the rings on the pis-
tons as shown in the following illustration.
0742-253
16. Apply clean engine oil to the rings and cylinder
wall; then using a suitable ring compressor, com-
press the rings sufficiently to install the piston in
the cylinder.
DE392
17. Rotate the crankshaft so the crankshaft rod journal
corresponding to the piston being installed is at
bottom-dead-center (BDC).
DE335
18. Place the piston/rod assembly into the cylinder
making sure the turbulence chamber in the top of
the piston is directed toward the water pump side
of the engine.
DE392A
19. Using a wooden dowel or hammer handle, gently
“bump” the piston into the cylinder. Stop when the
piston is clear of the ring compressor.
Next
Back
Section
Table of Contents
Manual
Table of Contents
FOR ARCTIC CAT ATV DISCOUNT PARTS CALL 606-678-9623 OR 606-561-4983
www.mymowerparts.com