Advice from the "Moto Man"
What's The Best Way To Break-In A New Engine ??
The Short Answer: Run it Hard !
Why ?? Nowadays, the piston ring seal is really what the break in process is all about. Contrary to popular belief, piston rings don't seal the combustion pressure by spring tension. Ring tension is necessary only to "scrape" the oil to prevent it from entering the combustion chamber.If you think about it, the ring exerts maybe 5-10 lbs of spring tension against the cylinder wall ... How can such a small amount of spring tension seal against thousands of PSI (Pounds Per Square Inch) of combustion pressure ?? Of course it can't.
Read more at: http://mototuneusa.com/break_in_secrets.htm
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