overheat

Hi, I'm a KTM RC390 rider locate in Taiwan with some experience sharing in debugging the coolant overflow issue. Hope it will helpful for everyone if you are meeting related leakage problems. I use RC390 for commuting and touring every day, the bike never shows up the high-temp alarm, but often...

Hey all,So,here's the problem, When I run the bike for 20+ kms at high rpms continuously lets say in the twisties.it runs all fine but once i turn off the key,and turn it back on, themp bar goes all the way upto 11-12 bars and shows high coolant temp,but once I start the bike and let it run for...

Okey,so after a lot of unsuccessful diagnosis the engine still isn't cooling sufficiently. The entire engine is rebuild as the older one seized. Old parts used are: Cams. Cam chain. Oil pump. For the test, we took two identical rc 390s, mine and another one. Started both of em and...

I haven't found anything specifically discussing this process so I was hoping we could get some of the experts here to walk us through what exactly happens, why it happens, and the rate / progression at which it occurs? I personally am asking because I'm at around 6,200 miles now and what has...