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Engine Break-in


Discussion at Motorized Bicycle Engine Kit Forum in the 2 Stroke Bicycle Engines & Kits forum. I live in a small town without any motorcycle shops around. Iam getting ready to break in my CH80. I ...
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Old 08-04-2009, 08:37 AM
Charged-Reacter's Avatar
Motorized Bicycle Elite Member
 
Join Date: Dec 2008
Location: west-central Illinois
Posts: 212
Default Re: Engine Break-in

I live in a small town without any motorcycle shops around. Iam getting ready to
break in my CH80. I need to know if Lawn-Boy 2-cycle oil with added stabilizer is ok
to use to break the 69cc engine in at 16:1. There is so much info on here about 2-stroke
oil and not being available in my small town. The Lawn-Boy 2-stroke oil is as close to regular
as I can come up with. Bad decision or not? Thanks for any replies
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Old 08-04-2009, 09:59 AM
Motorized Bicycle Senior Member
 
Join Date: May 2009
Location: Colorado Springs
Posts: 74
Default Re: Engine Break-in

Hi Vermont -

Obviously, there are as many ratios and break-in times as there are writers. Lawn-Boy oil is certainly better than the Wal-Mart stuff that I used first in my engine, and my engine runs fine. I run 24:1 and cannot detect any negative reactions. Just a heads-up.... Running slow speeds at heavy-on-the-oil mixture may result in a few drops of black unburnt oil drip out of your muffler after you shut down and let the bike sit for a day or two. So place a piece of cardboard or a lid under the muffler to catch the oil drops if you don't want your floor stained.

Happy riding!
MikeJ
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Old 08-04-2009, 05:29 PM
Bikeguy Joe's Avatar
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Join Date: Jan 2008
Location: Ashtabula county, Ohio
Posts: 7,855
Default Re: Engine Break-in

Run the LawnBoy at 24:1 and after break in go to 32:1.
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