Originally Posted by regg151
wow you guys are pretty conservative my MT12 runs in the 260-280 range with the body on after 5 minutes of hard running. I may be crazy but the engine runs fine and seems to run better hot cause if I get the temps down near 230 it just runs sluggish witch is fine for practice but for the race I lean it out a bit and get the temps up.
thats pretty toasty
I've noticed if mine gets up around 270 I can hear a difference in the idle and any hotter than that and it starts losing power..
im sure running it at 250-260 is fine, its just makes me a bit nervous..