83
DE366
NOTE: If the piston pin bushing is replaced, the
lubrication hole must be aligned and the bushing
sized. It is recommended that only a qualified
machine shop replace bushings.
21. Examine the connecting rods for nicks, gouges,
discoloration, and stress lines.
DE623
22. Examine the piston pin bushing for galling or dis-
coloration. If either condition exists, replace the
bushing or connecting rod.
DE623A
23. Measure the piston pins making sure to keep them
with their respective piston/connecting rod. The
piston pins must measure within specifications.
DE351
24. Making sure pistons are clean and ring lands are
free of carbon deposits, measure ring to ring-land
clearance using new piston rings. If ring to ring-
land clearance is excessive, new pistons must be
installed.
DE367
25. Using a suitable outside micrometer, measure pis-
ton skirt diameter at a distance of 9 mm (0.350 in.)
from the bottom of the skirt and 90° from the pis-
ton pin axis. Pistons and cylinder measurements
must be within specifications as listed in the fol-
lowing chart. Class markings are stamped on the
cylinder deck.
DE354
Manual
Table of Contents
For Discount Arctic Cat Parts Call 606-678-9623 or 606-561-4983
www.mymowerparts.com
