Maintenance
RPM Adjustments
Maintenance
doc110909
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2
2.
Start the engine to measure the low-end RPM. Let idle for 10 minutes.
3.
With the engine at idle, check the low-end RPM. Adjust to 1500. To decrease speed,
loosen the idle adjustment screw. To increase speed, tighten the idle adjustment screw.
See Figure 2-5.
4.
Adjust the high-end RPM to 3200. To decrease speed, tighten the high-end adjustment
screw. To increase speed, loosen the high-end adjustment screw.
CAUTION!
Do not adjust the high-end RPM above 3200.
Doing so may cause damage to the engine.
5.
After the RPM settings are made, shut the engine off. Tighten the throttle cable by engag-
ing the clutch handle. Check the throttle cable at the upper cable mounting bracket. The
cable should be centered in the cable housing. If necessary, loosen the upper bracket
mounting bolts and adjust the bracket so the cable housing is centered around the cable.
Retighten the upper cable bracket mounting bolts.
FIG. 2-5
High-End
Adjustment Screw
Idle
Adjustment Screw
3H0748-2
