Originally Posted by
R650R
lots of short jouneys and cold starts during Their run in phase likely... yuck!
I used to watch the US Hornet/919 site. The opinion of some seemingly well qualfied racing people that was that the best performance came from engines that had undergone a number of "heat cycles". One long trip was definitely considered the wrong way to run in an engine.
I've done it both ways, but unless you've got a dyno in your house and test multiple examples of the same model who knows?
There is a grey blur, and a green blur. I try to stay on the grey one. - Joey Dunlop
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