Dynatek Yamaha YZ250F Digital Programmable Ignition Module. Fine tune your YZ250F's performance and power delivery with the Graves Motorsports tuned ignition box. Graves' digital ignition works side by side with the Graves Motosports Exhaust Systems to create an incredibly powerful, while also making it a more predictable and accurate.

This is the SAME ignition module and Map Team Graves Yamaha uses on our SuperMoto and Motocross Race Bikes. Featuring easy installation! Graves Motorsports exclusive Ignition map eliminates any expensive Dyno work as well as offering the following performance upgrades:

Rev Limit Increases to 13,600 RPM