can’t

Has any ran into a very tight fitting tyga header on a 17’. The O2 sensor has clearance issues with the exhaust stud and I can’t get the nut on. If I install the header first I can’t get the O2 sensor threaded because it hits. And it hits the frame too. Anyone seen this or have any...

Has any ran into a very tight fitting tyga header on a 17’. The O2 sensor has clearance issues with the exhaust stud and I can’t get the nut on. If I install the header first I can’t get the O2 sensor threaded because it hits. Anyone seen this or have any suggestions? Thanks

I can’t start my rc390 Displaying battery low and also can ems failure. Can’t start the engine. How to fix this problem. Tks so much

Displaying battery low and also can ems failure. Can’t start the engine. How to fix this problem. Tks so much

I have a 15 390 cup bike that after losing coolant won’t start. The coolant bottle broke at the nipple and pissed coolant all over me, I noticed and pulled off the track but the bike died coming into the pits. I think it shut off because of temperature, it was 2 bars below hot. I have a...

Wanna make my ktm more track ready. Looking for a power commander and Andreani front forks, can’t stand the stock forks on it

Been reading the latest edition of Performance Bikes, Jeremy McWilliams (ex Moto GP) is now a test and development rider for KTM and writes an article in PB magazine. He refers to ongoing development of a RC390R which has been tested in Italian races and should get a wildcard entry in the final...