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Yamaha RBX765a with suspected broken truss rod!!


LloydyG10
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Hello all.

So i recently acquired a Yamaha RBX765a 5 stringer, however when it arrived I noticed that the neck had a substantial bow in it. No big deal i thought, I've a little bit of experience with setting my own basses over the years, so i broke out the Allen keys and started adjusting the truss rod. I found the rod itself stiff but it did turn, however no matter how much i turn the rod in either direction there was no noticeable difference. this has lead me to believe that the truss rod has possibly snapped. on further investigation I have found the the neck has a noticeable twist at the head-stock end. As it stands the bass is unplayable. the question I have now, is the neck fixable? if so, how would I go about doing so, or should i look to have a new neck made. 

Any advice, feedback or help would be greatly appreciated.

Cheers Gang!!!

 

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A twist in the neck will cause the truss rod to not work correctly. Don't force the TR. If you do, there's a fair chance you'll break the rod or do other damage in the process. I've fixed a few necks, some worse than yours.

Yes that neck is very fixable. It simply needs to be clamped in the right way and heat applied to the neck will help it get back in shape.

Take it to a tech who knows what they're doing and it'll be fine.

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4 hours ago, BreadBin said:

Poor thing, look at the bend on it 🙁

Was this on eBay recently?

Yeah that's the one, I messaged the seller but he insists that the neck was fine before it was sent to me. He then had the nerve to suggest I had caused the twist when I removed the strings to look at it.

 

Ta

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3 hours ago, Grangur said:

A twist in the neck will cause the truss rod to not work correctly. Don't force the TR. If you do, there's a fair chance you'll break the rod or do other damage in the process. I've fixed a few necks, some worse than yours.

Yes that neck is very fixable. It simply needs to be clamped in the right way and heat applied to the neck will help it get back in shape.

Take it to a tech who knows what they're doing and it'll be fine.

Cheers Grangur, Yeah i thought applying heat to the neck would help. I'll defiantly look to get it to a tech, the job is outside my skill set to fettle lol.

Thanks again!!

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