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Dirt Bike Brands - Other
Exhaust port bridge missing
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[QUOTE="Caseys500, post: 1221412, member: 77815"] If your gonna have to buy a new cylinder anyways, why not try it with this one and see. If you send/take a cylinder somewhere with pieces of the bridge missing, their either gonna cut it out and smooth it up or try to sell you a new one. Since a new one is less work...that's what they are going to try to do. All the exhaust bridge is really for is to keep your rings from snaging on the exhaust port...when you have a cylinder bored you HAVE to have the bridge relieved (shaved back a little) or you will go through rings and a piston fast. If you cut it out and smooth out along the top and bottom of the exhaust port (make it like it was never there and so the rings wont snag) then it will be just fine...maybe even a little more power (exhaust getting out faster). Major power gains are from actual porting=raising or lowering the top or bottom exhaust ports 1-2mm depending on what you are looking for. Unless you want to spend 300 bones for a new cylinder or resleave, this is the other option you have. You could also take a dremel to the broken edges and clean them up so the rings wont snag but I think it will continue to break apart. [/QUOTE]
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Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
Exhaust port bridge missing
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