Home / Honda / ATC250R / Engine / Spark Plug Cap Spark Plug Cap$10.00 Non resistor spark plug cap. Spark Plug Cap quantity Add to cart Categories: ATC250R, Engine, Engine, Honda, HPI Ignitions, TRX250R Description Description Non resistor spark plug cap. Related products HondaTransmission & Clutch TRX250R Steel Clutch Plates Individual Plates sold individually. EngineHonda TRX250R Top End Gasket Set EngineHonda TRX250R Water Pump Mechanical Seal Water pump mechanical seal. ExhaustHonda TRX250R Big Bore Pipe 350G LED 350G pipe. For use with motor sizes of 330-390 Best for dunes, ice racing, TT, and MX. Price is for the pipe only.