air/fuel

My fz1 has an issue where it cuts out from 7k rpm and up under heavy throttle in 2nd gear. None of the other gears do it. The bike has an ivans jet kit and a slip on. Bike has no other issues besides it will sometimes need to have a little throttle to start up when it's warm like it's...

Hi, Yesterday i did a free run on a mobile dyno. I'm pretty happy with the numbers but i noticed that the air/fuel is a little rich in the midrange. Is it worth it to modify the map? Should a optimized A/F gives a stronger midrange power? Further there are no complaints and the bike. It goes...