lean

I haven't been able to find a piggyback ECU that addresses tuning closed loop. I see there are a couple mid-pipes with (presumably) no cat for the 2017. How are people using these without being able to adjust the AFR? Also, if anybody knows of any other workarounds for the closed loop lean...

Hi Guys, anybody tried to disconnect or bypass their roll over sensor on their RC390? Or runs without the sensor plugged in? Our race bike stalls every time it goes thru a full leaned high-speed corners reaching more than 63 degrees lean angle.

hello everyone, this issue has been bugging me since a month. okey,so my rc390(2015) engine was rebuilt last month since it broke open due to conterbalancer shaft key shearing.(complete engine newly built including case to head) after the rebuild i rode it easy for 1000 kms run in and then oil...

Hi Guys, I have a weird situation developing on my 2015 RC 390. Essentially with the bike cold and in neutral I can roll it forward and back no problem until I lean it over to the right, As soon as I lean it over to the right it will engage the gear somehow and an the rear will skid. This...