155) Set the engine level, and gradually fill up to upper limit mark with new oil.6) After filling, tightly secure oil cap, so that it will not loosen and cause leaks.If oil cap is not tightly secured, it may leak.Upper limit markOilInternal steppedsection (upperlimit)External mark(lower limit)Internal steppedsection (lowerlimit)External mark(upper limit)CLEANING OF AIR CLEANERWARNING: Shut off the engine, keep away from open flamesand do not smoke.Interval of Cleaning and Inspection: Daily (every 10 operating hours)Turn the choke lever to the full close side, and keep the carburetor off from–dust or dirt.Loosen the fixing bolt.–Remove the air cleaner cover by pulling its bottom side.–Remove the elements and tap them to remove dirt.–If the elements are heavily contaminated:–Remove the elements, immerse them in warm water or in water-dilutedneutral detergent, and dry them completely. Do not squeeze or rub themwhen washing.Before attaching the elements, be sure to dry them completely. Insufficient–drying of the elements may lead to difficult startup.Wipe out oil adhering around the air cleaner cover and the breather part with–waste cloth.Fit the element (sponge) into the element (felt).–Fit the elements into the plate so that the sponge faces the air cleaner cover.Immediately attach the cleaner cover and tighten it with fixing bolts. (In–remounting, first place the upper claw, and then the lower claw.)NOTICE:Clean the elements several times a day, if excessive dust adheres to it.–Dirty elements reduce engine power and make starting engine difficult.Remove oil on the elements. If operation continues with the elements–remaining not cleared of oil, oil in the air cleaner may fall outside, resultingin contamination of the environment.Do not put the elements on the ground or dirty place. Otherwise they pick–up dirt or debris and it may damage the engine.Never use fuel for cleaning the elements. Fuel may damage them.–PlateElement (sponge)Air cleanercoverFixing boltElement (felt)Breather PartChokeleverPOINTS ON OILNever discard replaced engine oil in garbage, earth or sewage ditch. Disposal of oil is regulated by law. In disposal, always follow the–relevant laws and regulations. For any points remaining unknown, contact Authorized Service Agent.Oil will deteriorate even when it is kept unused. Perform inspection and replacement at regular intervals (replace with new oil every–6 months).