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Old 10-27-2007   #3 (permalink)
Thruxtonian
Senior Member
250 Grand Prix
 
Join Date: Mar 2006
Location: Apopka, Fl
Posts: 139
Break-in

Yea, I know this isn't a break-in thread, but hey...
I broke in my last new bike (Super Hawk) similar to above, using the "motoman" method. He favors a hard break in, if I remember correctly one of the main ingredients is heat cycling. You run hard, approx. 75% of redline, for 10 minutes, let it cool for 20, then 85% of redline for a few minutes, cool for 20, then bounce it off the rev limiter. The only important thing is to rev it UNDER LOAD, not just idling along. In other words, I'd wait till the road was open in front of me, then in a lower gear, say 2nd, open it up and let it pull hard to the appropriate rev limit, then let it decel back down. The theory being that you need the engine under load to force the rings to expand under pressure and make a good seal against the cylinder walls. Whether it works or not I don't know. So by the time my bike had 25 miles on it, it had been run up to redline, and I changed the oil at 30 miles.
On this one, I didn't take the same approach. I keep the revs somewhat down, but not strictly under 4000. But I do believe in loading the motor, so even if I keep the revs low, I try to accelerate under load and not lug the motor. The only reason I changed methods is that with the Super Hawk, now every time I hear the cam chains rattle, or some other mechanical noise, I have this paranoia that I've done something bad. For me, the worry was really not worth it, so I've taken a compromise approach. YMMV!
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