Big Gun Exhaust Rev Box CDI Unit for 1992-08 Yamaha YFM80 models - 40-R28 MPN_25-2057 1987 Yamaha BW200E Big Wheel

1987 Yamaha BW200E Big Wheel

Part Number: ESG702

1992 Yamaha SR500 Exciter

2004 Harley-Davidson XL883 Sportster 883

2014 Husqvarna TE125

Big Gun Exhaust Rev Box CDI Unit for 1992-08 Yamaha YFM80 models - 40-R28 MPN_25-2057 1987 Yamaha BW200E Big WheelBig Gun Exhaust Rev Box CDI Unit Increases overall RPM limit Advanced timing curve Easy direct plug in replacement to stock CDI box 6 month Limited Warranty If you are looking to swap out your stock CDI box, the Big Gun Rev Box is an affordable alternative to highly priced OEM replacement boxes. It increases the overall RPM limit over the stock box and advances the timing curve. The Big Gun Rev Box is offered for various offroad MX and ATV models.