3. INSPECTION/ADJUSTMENT MXU 500 IRS (2) (1) SPEED LIMITER The speed limiter keeps the throttle from fully opening, even when the throttle lever is pushed to the maximum. Screwing in the (A) adjuster limits the maximum engine power available and decreases the maximum speed of the ATV. Speed limiter length (A): 13 mm Adjustment 1. Loosen the lock nut (1). 2. Turn the adjuster (2) in or out until the specified speed limiter length is obtained. Turning in: Speed limiter length is decreased. Turning out: Speed limiter length is increased. 3. Tighten the lock nut. AIR CLEANER AIR CLEANER REPLACEMENT (1) (2) 1. Remove the seat (refer to the "FRAME COVERS" section in the chapter 2). 3. Unlatch the six retainer clips (1) and remove the air cleaner housing cover (2). 3-5