Transmission Assembly - Polaris 2009 Trail Boss 330 Service Manual

18. Inspect gear bushing. Replace if half of teflon
surface is gone.
19. Inspect output shaft gear, sprocket and bearing.
Replace if necessary.
Output Shaft
Sprocket
20. Stretch chain tight on a flat surface and measure
the length of 8 pitches in a minimum of three
places on chain. Replace chain if measurement
is longer than 3.0904I.
Chain Stretch Limit
8 pitch length = 3.0904I Maximum

TRANSMISSION ASSEMBLY

1. Assemble input shaft assembly.
NOTE: Install bearings with numbers and letters
facing out so they can be read after assembly.
Sprocket cogs face the dog gear.
Bearing
Gear
NOTE: Input gear cogs face inward on input shaft.
Sprocket
Dog Gear
Thrust Washer
Input Gear
Measure
8 pitches
2. Assemble output shaft with sprocket, gear and
bearing if they were disassembled.
3. Assemble output shaft assembly with chain to the
input shaft assembly.
4. Install shift shaft, driven sprocket and gear into
the case.
5. Install shift fork.
TRANSMISSION
Input Shaft
Bushing
8.5