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Discussion Starter #1
Anyone know what size the swing arm bolts on the rear of the swing arm are? Also thread pitch.

I recently bought a 2019 Dragster RC and i'm pretty sure i stripped one of the bolt holes when torquing them down installing a new fender eliminator.
 

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I think they are 12 x 1.25....but just take one out and measure. That would be a damned hard bolt to strip. Threads in the swing arm may be damaged.?? Did you cross thread it? or was it only engaged by a few threads due to the fender eliminator width?
 

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Discussion Starter #4
I think they are 12 x 1.25....but just take one out and measure. That would be a damned hard bolt to strip. Threads in the swing arm may be damaged.?? Did you cross thread it? or was it only engaged by a few threads due to the fender eliminator width?
Yes, exactly the threads in the swing arm. Pretty sure I cross threaded it.
 

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Yes
 

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If it is cross-threaded and not stripped, then simply chase the threads with an appropriately sized tap.
 

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And you could chase the threads on the bolt with a die and save it, too.
 
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