Originally posted by Roger
I agree. The rossi motor is garbage. Hard to tune, leaks oil with-in the external bearing unit, the i.d. of the internal bearing doesn't match with the diameter of the crank which causes a tremendous amount of tolarence, and they don't last long if your lucky to get a good motor. That's funny though, " I have a NF12 S5 motor ? " Wish I was there to see it. I would've said, " WTF ?!?"
NF12S5.... WTF... that thing sounds like if was built to be naff...