Thread: New Bottom End
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Old 09-15-2015, 11:22 PM
fischer550 fischer550 is offline
Motorized Bicycle Elite Member
Join Date: Mar 2014
Location: Fort Collins, CO
Posts: 233
Default New Bottom End

I very badly damaged the crank case on my bike, so I'm getting a new bottom end (with a new crank) I am going to be using the same piston, rings, and top end I have used for 300 miles.

Do I have to start the break in process all over?
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