Arctic Cat M 8000, Service Manual

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96
FC046
4. Position the indicator contact point against the crank-
shaft at location point C (center). Zero the indicator
and rotate the crankshaft slowly. Note the amount of
crankshaft runout (total indicator reading).
5. If runout exceeds 0.002 in. at any of the checkpoints,
the crankshaft must be either straightened or
replaced.
Assembling

NOTE: The use of new gaskets and seals is recom-
mended when assembling the engine.
 NOTE: Prior to assembling the engine, use parts
cleaning solvent and compressed air and thoroughly
clean the threaded holes of the crankcase and cylin-
ders to properly tighten.

NOTE: When the use of a lubricant is indicated, use
Arctic Cat Synthetic APV 2-Cycle Oil.
1. Apply a thin coat of grease to the inner seal lips of
the water pump seal.
2. Using the seal driver, position the inner water pump
shaft seal onto the seal driver and gently tap the seal
down into position.

NOTE: Grease must be applied to the lips of the
inner seal before installation.
MS986A

NOTE: The seal must be installed with its spring
side towards the crankshaft.
3. Install the snap ring securing the inner seal in the
crankcase.
MS415
4. Using the seal driver, carefully install the outer water
pump seal. Gently tap the seal down into position
until it seats itself against its flange.
MS988
5. Secure the upper crankcase half upside-down on a
suitable support; then install the C-ring (A), the four
bearing retaining pins (B), and the two crankcase
dowel pins (C).
IO023A
6. Place the crankshaft end bearings into position mak-
ing sure the bearing retaining pin hole is positioned
inward.
! WARNING
Always wear safety glasses when drying components
with compressed air.