Champion, 8339-1, Powersport ATV/Motorcycle Spark Plug, Provides Quicker Starts & More Power With Less Fouling For Higher Engine Performance In All Weather Conditions, Fits Most 2 Cylinder Applications, Replaces OE Plugs In Harley Davidson, Kawasaki, Suzuki Cycles & Honda, Kawasaki, Polaris, Suzuki, Yamaha ATV's.