Section 03 TROUBLESHOOTING
Subsection 03 (TRANSMISSION AND BRAKE SYSTEM)
SYMPTOM ENGINE MAXIMUM RPM IS TOO HIGH AND TOP SPEED IS NOT REACHED.
CONDITION NORMAL USE
1. Check items 1, 2 and 3 of THE SNOWMOBILE ACCELERATES SLOWLY, ESPECIALLY FROM A
STANDING START.
2. Check driven pulley spring tension.
a. Spring tension is too stiff.
Adjust according to specifications (refer to TECHNICAL DATA).
3. Check position of the calibration screws. (TRA drive pulley)
a. Selected numbers are too high.
Adjust according to specifications (refer to TECHNICAL DATA).
4. Refer to VIBRATIONS ORIGINATING FROM DRIVE PULLEY and check items listed.
5. Check the driven pulley.
a. Driven pulley does not open completely.
Clean, readjust or replace driven pulley.
TEST/INSPECTION
6. Check if levers of drive pulley move freely.
a. Stuck levers.
Replace lever bushings.
SYMPTOM LOOSE IN DRIVE SYSTEM WHEN ACCELERATING/DECELERATING.
CONDITION NORMAL USE
1. Check drive chain tension.
a. Drive chain is too loose.
Adjust.
TEST/INSPECTION
2. Check radial play of driven pulley.
a. Worn splines.
Replace pulley.
54 mmr2004-Rev