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 EngineHonda CR500 Main Bearing CR500 8 ball main bearing. EngineHonda TRX250R Water Pump Mechanical Seal Water pump mechanical seal. HondaTransmission & Clutch Hinson Works Clutch Basket for TRX250R For TRX250R HondaTransmission & Clutch Hinson Clutch Kit for Standard TRX250R Clutch Basket Kit includes: Fiber plates Steel plates Springs