Arctic Cat 650 Twin2004, Service Manual

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ATV2088
ATV2092
19. Set the dial indicator (A) against the output
driveshaft spline groove; then rock the driveshaft
slightly until gear lash (play) is taken out in one
direction (do not let driven shaft turn). Zero the
dial indicator and rock the shaft in the opposite
direction until gear contact is made. The new
reading is the backlash. It should be between
0.05-0.11 mm (0.0020-0.0043 in.).
KX334

NOTE: To decrease backlash, decrease the thick-
ness of shims (7). To increase backlash, increase
the thickness of shims (7). Make small changes at
a time.
ATV2088
20. Remove the drive bevel gear housing assembly;
then clean all oil from the bevel gears. Apply a
thin even coat of machinist layout dye on the bevel
gears.
21. Rotate the driveshaft several revolutions in both
directions while applying resistance to the drive
gear. Note the drive and coast contact patterns on
the bevel gears.
KEY
1. Ball Bearings
2. Drive Bevel Gear Shims
3. Output Drive Bevel Gear
4. Bearing Housings
5. Output Driven Bevel Gear
6. Output Driven Shaft
7. Driven Bevel Gear Shims
Driven Bevel Gear Shims for
Backlash Adjustment
Thickness
0.15 mm (0.006 in.).
0.2 mm (0.008 in.).
0.5 mm (0.020 in.).
0.8 mm (0.031 in.).
1.0 mm (0.039 in.).
1.2 mm (0.047 in.).
KEY
1. Ball Bearings
2. Drive Bevel Gear Shims
3. Output Drive Bevel Gear
4. Bearing Housings
5. Output Driven Bevel Gear
6. Output Driven Shaft
7. Driven Bevel Gear Shims