fueling

I'm a new owner of a 2022 RC390 with 1,000 miles on it. The bike came with an exhaust and a Rapid Bike Racing module installed. I rode it about 200 miles and everything seemed to work great. Plenty of power and very punchy. However, I did my first track day on the bike last week and some...

Dear tuners and people working on their own bikes. I hope you are able to add to my little list of injector and fuel pump specs for our engines. Also if you are able to add Bosch part numbers, this would help a lot. I am researching first-generation engines but can extend this through to 2nd -...

I have a 2017 that I have a PCV (for the 2017 of course) and a Competition Werkes cat delete pipe. I have not yet installed these 2, as I am unsure about mapping. Per Dynojet's website, they have a map for a 2017 with an Akrapovic exhaust. Does anyone know if fueling will be ok on my setup...

I am breaking a new 2018 RC and really enjoying the hell out of it. My last three sport/track bikes were all 170+ HP liter bikes. Since I was the chase bike for my friends videography company I needed something really fast. For several years that was fun and the trackdays were free. When the...

I have a '15 RC and have a question about optimal fueling. I am not going to do any pipe or airbox mods as I am not looking to increase noise or horsepower or even change the torque curve. I have read a lot about the bikes running lean and think I understand the socio-political reasons for that...

Hey guys , mil light is flashing . 2 blinks then 3 quicker ones . Guessing fault code 23 ????? I think its the o2 sensor ( lambda sensor ) was massivly over fueling last track session . No drop in performance but used 1/2 a litre more fuel per session and my rear swing arm looks like its...