Arctic Cat 2014 XF 2-STROKE, Service Manual

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53
CWI-086
PISTON PIN
1. Measure the piston pin diameter at each end and in
the center. Acceptable piston pin measurement must
be within 0.8659-0.8661 in. If any measurement var-
ies by more than 0.001 in., the piston pin and bearing
must be replaced as a set.
CWI-079
CRANKSHAFT RUNOUT
1. Using the V Blocks, support the crankshaft on the
surface plate.

NOTE: The V blocks should support the crankshaft
on the middle bearings.
2. Mount a dial indicator and base on the surface plate.
Position the indicator contact point against the crank-
shaft location points C and D. Zero the indicator and
rotate the crankshaft slowly. Note the amount of
crankshaft runout (total indicator reading).
0747-810
3. 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 C-Tec2 engine 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.
! WARNING
Always wear safety glasses when drying components
with compressed air.