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Check spark plugs

Normal operation of engines is highly dependent on the condition of the spark plugs. Removing candles, inspect them. If the insulator of a candle light brown or gray-steel color, so the carburetor is adjusted correctly, and the candle is working properly. Light gray or white insulator indicates that the mixture is very poor, if the black soot on the plugs, then the mixture pereobogaschenie. If the electrodes and insulator candles zamasleny, it means that either this candle gives a spark is intermittent, or worn piston rings. Before installing the candles should be cleaned with a wire brush, rinse and dry benzene. Adjust the electrode gap by bending the side electrode. Cranking the central electrode is impossible, since You can damage the candle. Tighten the spark to 20 Nm (2.0 kgs.m).