Engine / Cooling
3.37
Engine Assembly -- All Engines
1. Install PTO O--ring and spacer onto crankshaft.
Lubricate O--ring with Polaris Premium 2 Cycle oil.
2. Install the (2) PTO seals on crankshaft. Inner seal lip
towards bearings, outer seal lip towards threads.
3. Lay crankshaft assembly in lower case half Ensure
that crankshaft rotates smoothly.
NOTE: Some engines will be manufactured with crank-
shafts that feature a center guide snap ring. Always verify
during assembly the use of a snap ring or not. New crank-
shafts used as service parts will have a snap ring installed.
Simply remove the snap ring from the crankshaft if the en-
gine you are servicing does not have this feature.
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