27 CS-310Oil filterFuel filterOil tank capFuel tank cap0.65 mm (0.026 in.)AIR FILTER• Check before every use.• Release the cylinder cover latches, and removethe cylinder cover and air filter.• Brush off dust lightly, or clean with compressedair, or replace the air filter.• Reinstall air filter and the cylinder cover, engagelatches.CHECK FUEL SYSTEM• Check before every use.• After refueling, make sure fuel does not leakfrom around fuel pipe, fuel grommet or fuel tankcap.• In case of fuel leakage there is a danger of fire.Stop using the machine immediately and re-quest your dealer to inspect or replace.SPARK PLUG• Check periodically.• The standard spark gap is 0.65 mm(0.026 in.).• Correct the spark gap if it is wider ornarrower than the standard gap.• Fastening torque: 150 to 170 Kgf • cm(130 to 145 in • lbf).FUEL FILTER• Check periodically.• Do not allow dust to enter fuel tank.• A clogged filter will cause difficulty in startingengine or abnormalities in engine performance.• Pull the fuel filter out through fuel inlet port witha piece of steel wire or the like.• When the filter is dirty, replace it.• When the inside of the fuel tank is dirty, rinsingthe tank out with gasoline can clean it.OIL FILTER• Check periodically.• Do not allow dust to enter into oil tank.• A clogged oil filter will affect the normal lubricat-ing system.• Pull it out through oil filling hole with a piece ofsteel wire or the like.• If the filter is dirty, wash it in gasoline or replaceit.• When the inside of the tank gets dirty, rinsing thetank out with gasoline can clean it.Cylinder cover latchAir filterCylinder coverCylinder cover latch