NGK Standard Spark Plug - DPR8Z NGK is the undisputed leader in Motorcycle Spark Plugs, with spark plugs for virtually every Motorcycle and Scooter application in the world. Utilizing a wide variety of materials, from standard copper-core type to Iridium, NGK is the world's leader in spark plug engineering and technology. NGK Spark Plugs are specified by more motorcycle manufacturers, including Honda, Yamaha, Suzuki, and Kawasaki. Triple-Gasket Sealing ProcessVirtually eliminates the possibility of combustion gas leakage through the shell. Most other manufacturers only use two seals. Solid-Copper CoreProduces a more powerful spark with less firing voltage. Other manufacturers use a "copper coated" center core. Corrosion ResistantZinc Chromate Coating double dipped for maximum protection. An NGK exclusive.Alumina Silicate InsulatorVirtually pure to insure dielectric and physical strength, as well as heat transfer away from the tip for maximum performance.Corrugated RibsEliminate "flashover", which can cause misfiring and engine damage, especially in damp environments. Fits the following models HONDA TRX 400 EX 1 2001 TRX 400 EX 2 2002 TRX 400 EX 3 2003 TRX 400 EX 4 2004 TRX 400 EX 5 2005 TRX 400 EX 6 2006 TRX 400 EX X 1999 TRX 400 EX Y 2000 XR 400 R 1 2001 XR 400 R 2 2002 XR 400 R 3 2003 XR 400 R 4 2004 XR 400 R T 1996 XR 400 R V 1997 XR 400 R W 1998 XR 400 R X 1999 XR 400 R Y 2000 MASH CAFE RACER 400 H 2017 CAFE RACER 400 H TT40 2017 CAFE RACER 400 J 2018 CAFE RACER 400 J TT40 2018 FAMILY SIDE 400 H 2017 FIVE HUNDRED 400 D ROADSTAR 2013 FIVE HUNDRED 400 E ROADSTAR 2014 FIVE HUNDRED 400 F ROADSTAR 2015 FIVE HUNDRED 400 G ROADSTAR 2016 FIVE HUNDRED 400 H ROADSTAR 2017 FIVE HUNDRED 400 J ROADSTAR 2018 SCRAMBLER 400 H DIRTSTAR 2017 SCRAMBLER 400 J DIRTSTAR 2018 SWM 440 GRAN MILANO F 2015 440 GRAN MILANO F SPECIAL 2015 440 GRAN MILANO G 2016 440 GRAN MILANO H 2017 440 GRAN MILANO J 2018 440 GRAN TURISMO F 2015 440 GRAN TURISMO J 2018 440 SE GRAN MILANO BOGGI J 2018 440 SILVER VASE F 2015 440 SILVER VASE J 2018
