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 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. HondaTransmission & Clutch Hinson Works Clutch Basket for TRX250R For TRX250R ExhaustHonda TRX250R LED Big Bore Silencer Round Big Body For motor sizes 330-430. Round muffler big body. For use with LED 350G, 350D, and Puma exhaust. HondaTransmission & Clutch Hinson CR125 Fiber Clutch Plates Individual Plates sold individually.