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Old 07-05-2009, 03:02 PM
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MikeJ MikeJ is offline
Motorized Bicycle Senior Member
Join Date: May 2009
Location: Colorado Springs
Posts: 82
Default re: Motorized Bicycle Take a Tip...Leave a Tip

I found the Ex pipe had a large burr inside. Grind it smooth. (or use a 1/4-inch round file found at most hardware stores.) I replaced all the Screws with Allen head screws (Good idea. The heads are the same diameter and are just better quality. Find at local hardware store. Ace Hardware has a good line.) , also lube all threads on new bolts and screws. A bolt with lubed threads will stay tight longer then a dry threaded bolt. (This is a standard practice when rebuilding any cast iron engine.)
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