mikechief Posted April 20, 2010 Report Share Posted April 20, 2010 How do I break in a new top end my book says 20 hours that's gunna suck Quote Link to comment Share on other sites More sharing options...
blowit Posted April 20, 2010 Report Share Posted April 20, 2010 How do I break in a new top end my book says 20 hours that's gunna suck We recommend 1 tank at about 50% power. I realize many just want to wring it out instantly but I can disprove that theory pretty easy. Take it easy for about 1 hr and you will be fine. Mull Engineering Quote Link to comment Share on other sites More sharing options...
mikechief Posted April 20, 2010 Author Report Share Posted April 20, 2010 That'sway better than 20 I can handle that I'm putn new seals in too does that make any diff ? Quote Link to comment Share on other sites More sharing options...
blowit Posted April 20, 2010 Report Share Posted April 20, 2010 That'sway better than 20 I can handle that I'm putn new seals in too does that make any diff ? No. Seals don't change anything. B Quote Link to comment Share on other sites More sharing options...
robert.b.west Posted April 20, 2010 Report Share Posted April 20, 2010 I was told go easy for a half of a tank. Dont keep at one throttle position for long and dont keep at wot for more than 3 sec at a time. Quote Link to comment Share on other sites More sharing options...
BigRed350x Posted April 20, 2010 Report Share Posted April 20, 2010 Just go romp on it. I've always done 2 heat cycles then just go ride it like you normally would. I usually get about 3 years out of a top end before I need to replace anything. I might do rings after 2 years if the compression calls for it. Just make sure you let your bike warm up before you take off. Give the pistons time to warm and expand. Quote Link to comment Share on other sites More sharing options...
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