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Break in...... Posted by Mike Lynch [Email] (#81) [Profile/Gallery] (more from Mike Lynch) on Fri, 21 Nov 2014 09:44:49 Members do not see ads below this line. - Help Keep This Site Online - Signup |
"Modern motorcycle manufacturing techniques and metallurgy are so good that the lengthy break-in periods of old aren't really necessary any more--even if the recommendations in the manual haven't quite caught up. A new engine is practically broken in when it comes off the assembly line. As long as you don't subject the engine to high loads--lugging in a high gear, for example--or overheat it, you can pretty much ride NORMALLY (my caps, Mike) right from the start."
Jerry Smith- MOTORCYCLIST Jan 2015 issue.
To that I'd add that "normally" for me is WFO a lot, so you could accuse me of breaking in my new engines very hard. I'm of the opinion that desired wear patterns need to be established early in an engines life, like right away and up to the first 100 miles. Engines that don't experience high RPM's and high power don't take to it as well later on. I think what we're talking here is piston rings and I think the top ring needs to find as high up in the bore as it will go early on.
In my 41 years of automotive and motorcycle sales experience engines broken in hard run stronger and don't have issues and there have been zero warranty issues related to over zealous break in.
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