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Truss rod access

I prefer the adjuster at the body end, but ABSOLUTELY NOT the way Fender has done it for years. Why on God's Green Earth they can't do it like this, I'll never know, but then, there's doofuses that prefer hard-tail Harley out of 'tradition' to something that won't compress their spine.

Any way, like this:
1524663836_3572.jpg

If you look at the end of the fingerboard where it meets the body/pickguard, there is a relieved area with a little screwed-in plastic cup. THAT's your truss rod access, and Yamaha has been doing it that way since the 1980's. It does require an Allen wrench that's SHORT on the short side (or you can always cut a regular one down to fit), but these require removing the neck ONLY if you need to shim, that's it. MusicMans mount their adjustment wheel in the same spot. This is not Quantum Physics, just common sense.

Which is always in short supply . . .
 
On my fenders I’ve created the channel in the body for access. No way am I removing the neck to make an adjustment to the truss rod. The neck pocket is far from perfect so when I remove the neck I have to put pressure on it while re-bolting it to ensure it is aligned.
 
I prefer the adjuster at the body end, but ABSOLUTELY NOT the way Fender has done it for years. Why on God's Green Earth they can't do it like this, I'll never know, but then, there's doofuses that prefer hard-tail Harley out of 'tradition' to something that won't compress their spine.

Any way, like this:
1524663836_3572.jpg

If you look at the end of the fingerboard where it meets the body/pickguard, there is a relieved area with a little screwed-in plastic cup. THAT's your truss rod access, and Yamaha has been doing it that way since the 1980's. It does require an Allen wrench that's SHORT on the short side (or you can always cut a regular one down to fit), but these require removing the neck ONLY if you need to shim, that's it. MusicMans mount their adjustment wheel in the same spot. This is not Quantum Physics, just common sense.

Which is always in short supply . . .

Yet another reason to prefer Yamahas!
 
Body. I could never see much sense in routing out additional wood at one of the already weakest points on a bass neck.

If you’re adjusting from the body you can also more easily flex the neck manually to help out a bit while tightening the truss rod. Takes some of the stress off the nut