Coleman F15BM Owner's Manual page 40

2. Change speed.
Turn the grip counterclockwise to increase speed and clockwise to decrease speed.
3. Throttle indicator.
The throttle indicator is on the throttle grip. The fuel consumption curve on the throttle indicator shows
the relative amount of fuel consumed for each throttle position. Choose the setting that offers the best
performance and fuel economy for the desired operation.
1. Throttle indicator
4. Throttle friction adjuster
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