Husqvarna RCJ6Y Spark Plug Features The Husqvarna RCJ6Y Spark Plug has a resistor that is produced with a glass and carbon mixture, which is fired to ensure superior performance and durability Corrugated ribs prevent flash-over and cold rolled threads to inhibit damage to the cylinder head 14mm Thread Size 9.5mm (3/8") Reach 13/16" (20.6mm) Hex Size, Gasket Seat Resistor, Projected Tip Heat Range 6 Type resistor Boxed individually Replace OEM Husqvarna RCJ6Y Spark Plug for lawnmowers, snow blowers, Power cutters, and generator applications Champion: 852 Dolmar: 965603021 Husqvarna: 952030249 & 503235109 Makita: 965603021 MTD: 791181765 Shindaiwa: 1300003506 Stihl Aftermarket: 1104007005 Tecumseh: 611100 Wacker: 0108007 & 0033768 Equivalent to NGK BPMR7A and Torch L7RTC Spark Plug If the machine is low on power, complex to start, or runs poorly at idle speed, always check the spark plug first before taking other steps Ensure that the spark plug cap and ignition lead are undamaged to avoid the risk of electric shock If the spark plug is dirty, clean it and check that the electrode gap is 0.5 mm. Replace if necessary A dirty air filter or an incorrect fuel mixture will cause a deposit on the electrode This may result in operating problems and starting difficulties
