Spark plug (4) BP7ES FOR HONDA TRX250R (1989) ; YAMAHA YT175 TRI-MOTO

Designed to operate over a much wider heat range than ordinary plugsResists carbon buildup and pre-ignitionHigh alumina ceramics for better heat transfer and electrical insulationSolid copper core and nickel tipped electrode provide a longer plus lifePatented triple gasket sealing process eliminates the possibility of combustion gas leakageSolid copper core for greater sparkLonger insulator nose prevents fouling