Swing arm bolts - MVAgusta.net
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post #1 of 11 (permalink) Old 08-07-2019, 02:08 PM Thread Starter
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Swing arm bolts

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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post #2 of 11 (permalink) Old 08-07-2019, 02:23 PM
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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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post #3 of 11 (permalink) Old 08-07-2019, 02:34 PM
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This should help, unless they changed the size in for the 2019 RC.
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post #4 of 11 (permalink) Old 08-07-2019, 04:13 PM Thread Starter
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Originally Posted by esq'z me View Post
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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post #5 of 11 (permalink) Old 08-07-2019, 04:15 PM Thread Starter
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This should help, unless they changed the size in for the 2019 RC.
Thank you!
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post #6 of 11 (permalink) Old 08-07-2019, 04:19 PM Thread Starter
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A heli coil should fix those treads within the swing arm no?
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post #7 of 11 (permalink) Old 08-07-2019, 04:40 PM
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post #8 of 11 (permalink) Old 08-07-2019, 04:40 PM Thread Starter
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The bolts are fine. It’s just the swingarm thread hole on the left that’s cross threaded.
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post #9 of 11 (permalink) Old 08-07-2019, 04:42 PM
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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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post #10 of 11 (permalink) Old 08-07-2019, 04:50 PM Thread Starter
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If it is cross-threaded and not stripped, then simply chase the threads with an appropriately sized tap.
I’ll do that, thank you!
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