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Old 09-09-2009, 04:21 AM
BarelyAWake's Avatar
BarelyAWake BarelyAWake is offline
Motorized Bicycle Elite Member
Join Date: Jul 2009
Location: Maine
Posts: 7,212
Default Re: Use synthetic oil for new 66cc engine break in?

Hmm... there's more than one school of thought on this...

My suspicion is that if you use a high end quality synthetic and a heavy mix, you may be simply prolonging your break in period, I used "el cheapo" brand oil for my initial break in then drained, flushed, and switched to Amsoil synthetic once I got my miles in.

*shrug* It could a be all in my head tho lol
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