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 ATC250RHonda ATC250R Stainless Steel Intake For ATC250R only. HondaTransmission & Clutch Hinson CR125 Fiber Clutch Plates Individual Plates sold individually. HondaTransmission & Clutch Hinson Clutch Kit for Standard TRX250R Clutch Basket Kit inlcudes: Fiber plates. Steel plates. Springs. HondaTransmission & Clutch TRX250R Transmission Bushing Kit For 87-89 TRX250R.