3. INSPECTION/ADJUSTMENT MXU 250R/300R Fuel Filter FUEL LINE Check the fuel tubes and replace any parts, which show signs of deterioration, damage or leakage. Do not smoke or allow flames or sparks in your working area. Fuel tubes THROTTLE OPERATION Lock nut Check the throttle to swing for smooth movement. Measure the throttle to swing free play. Free Play (A): 14 mm (0.040.16 in) To adjust throttle free play: Slide the rubber sleeve back to expose the throttle cable adjuster. Loosen the lock nut, then turn the adjuster to obtain the correct free play. (1~4 mm or 0.04~0.16 in) Rubber sleeve Cable adjuster Tighten the lock nut and reinstall the sleeve. AIR CLEANER AIR CLEANER REPLACEMENT Remove the seat. (See page 2-3) Unlatch the four retainer clips (1) and remove the air cleaner housing cover (2). 3-4