Arctic Cat 650 Twin2004, Service Manual

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3-32
7. Slowly turn the crankshaft and note the readings at
the points indicated. Crankshaft runout must be
less than 0.10 mm (0.0039 in.).
ATV2075
8. Measure the crankshaft main journal (A). It must
be greater than 41.96 mm (1.652 in.).
ATV2076
9. Measure the main bearing bore diameter (A) in the
crankcase. It must be less than 42.08 mm (1.6567
in.).
ATV2077
DISASSEMBLING OUTPUT DRIVE
BEVEL GEAR ASSEMBLY
1. Look through the bolt hole (B) in the drive
housing (A); then rotate the drive bevel gear (C)
until a notch in the internal bearing retainer nut
can be seen.
KX298
2. Install and tighten four nut-holding bolts (A) in the
four threaded holes. See illustration for location of
assembly components.
ATV2078
Key:
A. Nut-Holding Bolts
B. Nut Notches
C. Inner Bearing Holding Nut
D. Drive Bevel Gear Housing
E. Outer Ball Bearing
F. Inner Ball Bearing
G. Bearing Holder
H. Drive Bevel Gear

AT THIS POINT
If no abnormal wear, chipping, or bearing
roughness is found, proceed to Installing Output
Drive/Driven Bevel Gears in this sub-section.