Charley, you're right. ~$630 is very reasonable. I saw "$1,200" while Googling recently so assumed that was the going rate. Maybe they automaticall...

There is a part that was in my GDU and I do not see it in the schematic. It is the odd bearing shown in the picture below. Since I don't see it in ...

@charleyhradicalsportscarregistry-com Fantastic! Thank you. Donation sent.

Does anyone have a schematic of the GDU I could review while reassembling mine? I've got something not aligned so I must have something wrong or miss...

Sorry, John, I don't know for sure. Anything can be made to work, but I'm guessing you mean with reasonable changes (as opposed to hacking and weldin...

Interesting. I have a Gen 2 engine. I purchased this used Quaife and it came with a coupler, but it had no splines at all(!). So, we added the splin...

Thanks, Dan. Perfect. But I'm not sure I'm familiar with the locking screws. Can you elaborate?

New question: Is a special sprocket nut or socket needed? There isn't much room for a normal 36mm socket to fit within the coupler. I purchased a t...

Thanks, Charlie. That's interesting. I wonder if they saw cracks or failures in the Hayabusa's rear mounting tabs and thought the extra braces would...

Charley, thanks very much for the pictures. Very helpful.