Originally Posted by adantessr
The instructions that I have read on cam breakin procedure do allow you to start and stop to make adjustments . They just don't allow for any idle time.
i have not let it idle, but when i first started it, it stumbled and wouldn't rev up to 2000 rpm. so i killed it right away. the other times i have started it, i brought it up over 2500 immediately and have shut it off at that rpm as well. i haven't run it over four minutes yet.