Arctic Cat Cougar Service Manual page 183

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ice specification listed in

piston if the piston pin bore diameter is too large.

5. If you do not have access to a micrometer and

snap gauge to perform Steps 3 and 4, perform the

a. Oil the needle bearing and piston pin and

install them in the connecting rod. Slowly

rotate the piston pin and check for radial

and axial play (Figure 56). If any play

exists, the pin and bearing should be re-

placed, providing the rod bore is in good

condition. If the condition of the rod bore

is in question, the old pin and bearing can

be checked with a new connecting rod.

b. Oil the piston pin and install it in the piston

pin hole (Figure 57). Check for up and

down play between the pin and piston.

There should be no noticeable play. If play

is noticeable, replace the piston pin and/or

there are signs of piston seizure or

overheating, replace the piston pins and

bearings. These parts have been weak-

ened from excessive heat and may fail

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