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Dirt Bike Brands - Other
Need help finding size of bolt threads
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[QUOTE="whenfoxforks-ruled, post: 1370210, member: 73147"] The end of the crank used to have a bevel on it, before some bozo beat on it with a hammer. The bevel can be put back with a little careful filing, at about a 45 degree angle. The outside diameter needs to be a specific size, the od of the thread. This means no high spots or the die will strip. Knock it down by stroking the file around the flat of the thread, how ever much as needed to get the dents flat/the height of the thread. The hammer mushrooms the end. You need the bevel to catch the beginning of the thread, it tapers down to nothing, with the bevel. They also make a thread file that is handy, it matches the threads per mm. Keep steady pressure on the die, after its started, back off a quarter turn for every half turn to clear the threads. Tapping fluid is preferred, wd40 would work. Vintage Bob [/QUOTE]
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Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
Need help finding size of bolt threads
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