Yamaha RX10LTGTYL Service Manual page 1054

THROTTLE OVERRIDE SYSTEM (T.O.R.S.) CHECK/
COMPRESSION PRESSURE MEASUREMENT
THROTTLE OVERRIDE SYSTEM (T.O.R.S.)
CHECK
WARNING
When checking T.O.R.S.:
S Be sure the parking brake is applied.
S Be sure the throttle lever moves smoothly.
S Do not run the engine up to the clutch en-
gagement speed. Otherwise, the machine
could start moving forward unexpectedly,
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 1 and stop switch hous-
ing 2 .
While holding as described above, press the
throttle lever 3 gradually.
The T.O.R.S. will operate and the engine
should run between 2,800 and 3,000 r/min.
WARNING
If the engine does not run between 2,800 and
3,000 r/min, stop the engine by turning the
main switch to the "OFF" position and
check the electrical system.
COMPRESSION PRESSURE
MEASUREMENT
NOTE:
Insufficient compression pressure will result in a
loss of performance.
1. Measure:
S Valve clearance
Out of specification ! Adjust.
Refer to "VALVE CLEARANCE ADJUST-
MENT".
2. Start the engine, warm it up for several min-
utes, and then turn it off.
3. Remove:
S Spark plug
2-18
INSP
ADJ