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kawi_rider_97
04-01-2008, 01:57 PM
ok I bought a new set of cams for my kfx440 and it says in the instructions to ride it for 30 min over 3,000 rpm's, which would be no problem but I also replaced the rings and I've heard you have to be a little more gentle with the rings. So I was wondering if it will hurt the rings to ride over 3,000 rpm's, Thanks.

BigBore24
04-01-2008, 08:39 PM
ive read both opinions on here. some say to break the rings in gently while others say to run the motor hard to break them in. i found this article in the 400ex forum...check it out
http://www.mototuneusa.com/break_in_secrets.htm

kawi_rider_97
04-01-2008, 09:13 PM
thanks for the help, I learned what I needed to know.

Iliketogofast
04-02-2008, 09:18 AM
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