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Old 10-06-2013, 07:04 PM
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Toadmund Toadmund is offline
Motorized Bicycle Elite Member
Join Date: Jan 2012
Location: Saint John, New Brunswick, Canada
Posts: 792
Default Re: How durable are these engines?? 66cc

I think the week link is probably the connecting rod bearings.
The lower needle bearings failed in my first motor, causing bad damage to my piston and cylinder.
I love my Motor Bicycle, I love Beer, I'll try not to like them both at once.
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