EBU18321 Speed limiter Your ATV was delivered with an adjustable speed limiter. The speed limiter keeps the throttle from fully opening, even when the throttle lever is pushed to the maximum. 1. Loosen the locknut. 2. To increase the maximum engine power avail- able and the maximum speed of the ATV, turn the adjusting screw in direction (a). To de- crease the maximum engine power available and the maximum speed of the ATV, turn the adjusting screw in direction (b). 1. Throttle lever 1. Locknut 2. Adjusting screw 3. No more than 12 mm (0.47 in) 4-13 Before starting the engine, check the throttle to be sure it is operating smoothly.
Make sure it returns to the idle position as soon as the lever is released. Malfunction of the throttle could make it diffi- cult to speed up or slow down when you need to. This could cause an accident. Check the op- eration of the throttle lever before you start the engine. If the throttle does not work smoothly, check for the cause. Correct the problem be- fore riding the ATV or consult a Yamaha dealer. WARNING EWB00250 4