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Also late to the party with a suggestion that probably wouldn't have helped given just how hard you were probably cranking with the cheater bar, but if ever in doubt of rounding out a hex bolt, apply a little daub of valve lapping compound to the bit to give it more bite.
For steel bolts in aluminum, sometimes I give a little blip of an impact gun in the forward direction first, just to crack it free.
What's the difference between a bolt and a screw?
First you screw, then you bolt.
bumping this because now i need threads repaired.
since that bolt was extracted, about half the threads got torn up.
measured the thruster and it was about 21.5mm, so i'm guessing i need an M22 kit.
looks like Helicoil doesnt make such a kit. looked around and saw some others but were $200-$500 for a kit to repair a single thread.
i'm hoping someone might know of someone that can or has the tools to get this done. i'm at a loss right now.
already installed new races as i was getting the frame ready to swap over on my bike.
If you have the appropriate size tap, run it through a few times. I've gotten lucky on a few frame threads on my KTM where simply running a tap through took care of the threads.
2023 KTM 890 Adventure R
have a machine shop make you a threaded slug, that is drilled & tapped at the center for your stock fastener, then drill/enlarge & tap to the size of the slug. use red locktite
or find a larger diameter fastener that works, and enlarge and tap to that size (what I did for one of the seat bolts on my SV650)
RandyO
IBA#9560
A man with a gun is a citizen
A man without a gun is a subject LETS GO BRANDON
If the threads just need to be repaired (not tapped), you can make a "thread chaser" out of a bolt. Just dremel a decent sized groove in the side of the bolt so that the waste has somewhere to go, and thread it in carefully. Kind of like a poor man's tap.
This will straighten and clean up the threads nicely.
Last edited by joeswamp; 07-08-21 at 09:24 AM.
Joe
04 Thruxton (Street)
01 SV650 (Track)
75 CB400F (Future Vintage Racer)
68 BSA Royal Star (Garage Floor Lubricator)
This won't do it?
https://smile.amazon.com/Metric-Righ.../dp/B07DFDXJLJ
Prepare yourself before you click this link:
https://www.threadtoolsupply.com/M22...epair-kit.html
2023 KTM 890 Adventure R
https://www.govets.com/index.php/e-z...MaAlz7EALw_wcB
Obviously, verify thread size and pitch before ordering.
https://www.amazon.com/PowerCoil-352.../dp/B008V13QHO and order a drill bit separate, etc.
Last edited by Kurlon; 07-08-21 at 01:42 PM.
Powercoil. Measure your threads and job thrice to make sure you order the right one.
https://smile.amazon.com/dp/B008V13QHO
if you expect threads to wiggle around you want thread locking..now you're better off making your own kit. it comes out to about the same cost but of course you gotta call to order the special thread locking inserts
https://crossroaddistributorsource.c...898&catId=1545
https://smile.amazon.com/20-5mm-Redu.../dp/B07TXSBMP5
https://smile.amazon.com/M22-Metric-.../dp/B00860BKWS
https://smile.amazon.com/PowerCoil-3.../dp/B00MV1WGE4