Pack of 10 Naraku spark plugs 10-R7-SSA: Naraku spark plug as it is also factory mounted in the vehicle. The heat value and candle structure correspond to the original. Produced according to Japanese vehicle manufacturers OEM guidelines for perfect repair and durability. The life of a candle is determined by fuel type, engine condition, operating time and engine temperature. For 4-stroke engines from 250cc, the candles should be cleaned or changed after 6000 km. With less displacement, especially 2-stroke, approx. every 2500 km. After this mileage, oil carbon deposits lead to starting difficulties and power loss caused by the spark plug. Increased short-range operation and poor engine oil quality can shorten intervals. Wrench size: 16.0mm thread diameter: 10.0mm thread length: 1.
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