88
Drive Chain Tension
Remove hair pin.
Fully tighten tensioner adjustment screw by hand, then back off only
far enough for hair pin to engage in locking hole.
1. Hair pin
2. Adjustment screw
TRA Drive Pulley Adjustment
The drive pulley is factory calibrated to transmit maximum engine
power at a predefined RPM. Refer to SPECIFICATIONS at the end of
this guide. Factors such as ambient temperature, altitude or surface
condition may vary this critical engine RPM thus affecting snowmo-
bile efficiency.
This adjustable drive pulley allows setting maximum engine RPM in
the vehicle to maintain maximum power.
Calibration screws should be adjusted so that actual maximum en-
gine RPM in vehicle matches with the maximum horsepower RPM.
NOTE:
Use precision digital tachometer for engine RPM adjustment.
NOTE:
The adjustment has an effect on high RPM only.
A30D0EA
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Mmo2002-003a.book Page 88 Friday, February 2, 2001 1:47 PM
