pulser

I've got a Yamaha Pulser PB-400 from 1979 or so. It's an incredible P Bass with the exception of the neck pocket with is both too deep and too wide, to the point where the strings sit noticeably closer to the body and sit at wonky angles in the nut. They clearly noticed this at the factory as...

I'm looking to replace the tuners on my ~1980 Yamaha Pulser 400, as the current ones are quite heavy and have a rattle/buzz I can't get rid of. It's a pretty faithful replica of a '72-73 Precision with the big trapezoidal tuners - I ordered some Hipshot 1/2" Ultralites but they were too small...

I just bought a '78-80 Yamaha Pulser 400 P Bass copy - it plays great (minus a bit of fret buzz), but I've been noticing some quirks that seem unbecoming of an MIJ Yamaha. Quirk 1: The neck pocket seems to be too deep? The strings sit noticeably closer to the body than any other P I've played...