Hotrodder
Newbie
- Joined
- Jan 28, 2017
- Messages
- 19
- Reaction score
- 3
- Points
- 63
- Location
- Wisconsin
- Country
- USA
- Snowmobile
- 2005 Yamaha RX-1 ER
Just wondering how does it work. I know there’s the 2 sensors and they have to be in check with each other, but mechanically what does it do to retard the engine to 3000 rpm?