Yamaha RST90GTZ, Service Manual

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INSP
ADJ
2-19
THROTTLE OVERRIDE SYSTEM (T.O.R.S.)
CHECK
WARNING
When checking T.O.R.S.:
• Be sure the parking brake is applied.
• Be sure the throttle lever moves smoothly.
• Do not rev the engine to the point that the
clutch engages, otherwise, the snowmo-
bile could start moving forward unexpect-
edly, which could cause an accident.
1. Start the engine.
2. Hold the pivot point of the throttle lever
away from the throttle switch by putting your
thumb (above) and forefinger (below)
between the throttle lever pivot
and
engine stop switch housing .
While holding as described above, press
the throttle lever
gradually.
The T.O.R.S. will be activated and the
engine speed will be limited to less than the
clutch engagement speed.
WARNING
If the engine speed does not decrease to
less than the clutch engagement speed,
stop the engine by turning the main switch
to the off position and check the electrical
system.
Engagement speed:
RS90GTZ/RS90LTGTZ
3,100 ~ 3,500 r/min
RST90GTZ
2,900 ~ 3,300 r/min
THROTTLE OVERRIDE SYSTEM (T.O.R.S.) CHECK