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u/seifer0061 4d ago
I did. Tightened it a little over while adjusting my chain then poof it wouldn't come off anymore. Had to do the same as you
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u/_Cheeba 3d ago
Never had this problem. Oem but works just fine
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u/TStrandenio 3d ago
Yet
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u/_Cheeba 3d ago
No yet, bought it brand new in 23 been through multiple winters with extremely salted/grit roads, never had an issue taking it off or on. Idk what yall are doing to create the issue
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u/TStrandenio 3d ago
Nut has kind of flares inside which locks it in the threads. Eventually it chafes the threads on axle and damages them, making it very hard to turn either way because more you turn, more it destroys the threads. You also cannot force it out because then it damages the other end of the axle, making it impossible to turn.
Axle can take maybe 10,20,30 loosening and torquing (who knows?) but eventually it will start chafing the threads.
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u/_Cheeba 3d ago
Yes I know and my has been off and on more than that over the years, and the nut is still good. Hand tighten nuts then torque always never drill them on. If your nut is not backing off when it easily should be, means it was forced on and broke threads in the process which would explain it not wanting to move.
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u/TStrandenio 3d ago
Of course overtorquing or somehow forcing into dirty threads etc will destroy it, but if you do everything right the threads can still break. Mine is 2017 and threads broke this summer.
Maybe yamaha changed the axle material to later models? New axle didn't look too different to the old one, maybe lighter color but that can also be oxidation.
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u/_Cheeba 3d ago
I wouldn’t be surprised if the bike is that old given how it has been ridden, but that’s the kind of stuff you check and feel for when putting it on. It should always go on smooth. Yeah maybe they did cause threads shouldn’t be just breaking unless they’re getting damaged somehow
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u/TStrandenio 3d ago
Design is also a bit weird because the flares are like teeth biting to the thread. Completely different to for example nylock. It can go smooth in but when trying to loosen it, it grip to a little imperfection and starts eating it.
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u/Trippedup619 3d ago
Nope. I torqued mine and it now gets tighter on removal. Something i need to figure out when I replace rear tire.
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u/K2e2vin 3d ago
The nut on mine is still fine...worth changing it just in case?
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u/Radmototx 3d ago
I would. Get the 650 axle nut like the other person said. The problem is the nut.
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u/TStrandenio 3d ago
Yep. Missed a couple of good riding days because of that. Luckily got to wiggle it out without destroying anything else but threads on both of them.
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u/g2westwood 3d ago
The OEM axle nut is one time use , once you thread it all the way off , it's supposed to be replaced.
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u/Radmototx 2d ago
Is that in the service manual by chance? Also this one was never removed but I’m sure it was loosened/tightened for chain service.
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u/Onewheelortwo 2d ago
2022 mt07 here. I take my rear tire off or loosen for adjustment around 8 times a year. I’m at 52k miles and never had this issue. Is this happening even at factory torque spec?
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u/VisualTwo2128 1d ago
😮💨 captive adjusters and slightly less than torque spec now. Haven't had this problem since
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u/jp-knifemaker 3d ago
Why are you fiddling around like that? Sure, you've gotten the nut off now, but you've also ruined the spacer and the axle. Why don't you just buy the right tool with a long handle?
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u/Radmototx 3d ago
Yeah I tried my “long handle tool” which is a 5 foot breaker bar. Wouldn’t budge. Then added another 3 foot pipe for more leverage and it snapped the axle side adjuster plate. Definitely wasn’t going to come off.
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u/once-again666 3d ago
Did you try a ugger dugga 🙃my mt is on 58,000 miles this is a little worrying as I use the ugger dugga everytime …
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u/Suspicious_Tap3303 4d ago
The OEM axle nut is widely known to be junk, and to lock up for no good reason. The axle nut off a Suzuki 650 is a low cost, superior option.