3. INSPECTION/ADJUSTMENT FILLY LX 50 Screws AIR CLEANER AIR CLEANER REPLACEMENT Remove the air cleaner case cover screws and the cover by removing the seven screws. Remove the air cleaner element by removing the four screws. Check the element and replace it if it is excessively dirty or damaged. Air Cleaner Case Cover CHANGE INTERVAL Air Cleaner Element More frequent replacement is required when riding in unusually dusty or rainy areas. · The air cleaner element has a viscous type paper element. Do not clean it with any fluid. · Be sure to install the air cleaner element and cover securely. SPARK PLUG Remove the spark plug. Check the spark plug for wear and fouling deposits. Clean any fouling deposits with a spark plug cleaner or a wire brush. Specified Spark Plug: CHAMPION-P-RZ9HC Measure the spark plug gap. Gap, Wear, and Spark Plug Gap: 0.60.7mm Fouling Deposits When installing, first screw in the spark plug by hand and then tighten it with a Washer spark plug wrench. Deformation Cracks Damage 3-4