Arctic Cat ZR 120 Service Manual page 14

19. With the piston at TDC, scribe an alignment mark
on the gear of the camshaft directly in-line with
the alignment dot on the crankshaft gear.
20. Remove the camshaft; then remove the tappets.
Identify the tappets for proper installation.
21. Rotate the crankshaft until the connecting rod cap
screws are accessible.
IO094B
22. Note the relation of the connecting rod journal to
the crankshaft and mark the connecting rod and end
cap for reference during installation; then remove
the cap screws and connecting rod end cap.
IO077
23. Carefully work the connecting rod/piston up and
out of the cylinder; then remove the crankshaft.

NOTE: For assembling purposes, note the arrow mark
on the dome of the piston is directed to the push rod
opening of the cylinder.
24. Remove the hairpin clip from the governor control
shaft; then remove the shaft and account for the
washer.
IO078A
25. Inspect the crankshaft and governor control shaft
oil seals for cracks or deterioration; then inspect
IO079A
the crankshaft bearings for roughness or discolor-
ation and replace if necessary.
IO080A
IO081A
IO082A
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