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Post by scooterscott on Oct 1, 2012 20:00:34 GMT -5
i just put a bbk on my 2012 taotao atm 50. I'm being told that it will blow out my crankshaft is this right and if so what is a good performance crank.
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Post by 90GTVert on Oct 1, 2012 20:48:24 GMT -5
:welcome: to the forum. That's sort of a topic of controversy. The smaller big bore kits are thought to be reasonably safe by most. When you get to 50mm bore and above, some say they won't last, some say they will. My 50mm lasted almost exactly 2,000 miles before I killed the crank, but it was heavily modified and revving to 9,000RPM or above, almost always WOT, and carrying a heavy rider.
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Deleted
Deleted Member
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Post by Deleted on Oct 2, 2012 4:07:00 GMT -5
ive put thousands of KMs on the stock crank with 50mm kits with no crank issues yet and i doubt i will
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Post by scooterscott on Oct 2, 2012 14:46:36 GMT -5
thank for the in put and im going to run it till i have a problem
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Post by felliott on Oct 2, 2012 15:38:46 GMT -5
Some of the older cranks had junk bearings, most of the newer cranks have a much better bearing that seem to last even with abuse.
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