Yamaha PW50 2023 Owner's Manual

Periodic maintenance and adjustment7-1174. Apply oil of the recommendedtype to the entire surface of thesponge material, and thensqueeze the excess oil out.TIPThe sponge material should be wet butnot dripping.5. Insert the sponge material into theair filter case. NOTICE: Makesure that the sponge material isproperly seated in the air filtercase. The engine should neverbe operated without the spongematerial installed, otherwise thepiston(s) and/or cylinder(s) maybecome excessively worn.[ECA15622]6. Install the air filter case cover byinstalling the screw.7. Install the seat.EAU41222Cleaning the spark arresterThe spark arrester should be cleanedat the intervals specified in the periodicmaintenance and lubrication chart.WARNINGEWA10981 Always let the exhaust systemcool prior to touching exhaustcomponents. Do not start the engine whencleaning the exhaust system.1. Remove the tailpipe by removingthe screw, and then pulling it outof the muffler.2. Tap the tailpipe lightly, and thenuse a wire brush to remove anycarbon deposits from the sparkarrester portion of the tailpipe andinside of the tailpipe housing.Recommended oil:Yamaha foam air filter oil or otherquality foam air filter oil1. Tailpipe2. Screw3. Muffler1 23