Here are all of the Honda CX500, GL500, CX650 and GL650 CAD and 3D printing files that we have been sent. Not yet got a 3D printer? Check them out on eBay US, eBay AU, eBay UK and Amazon.
Carburetor related
Enhanced carburetor fuel rail holder for CX650, GL650, GL700 carbs – by Alex Marion. This particular holder is 20% thicker than the Honda original to ensure that it does not break.

20% thicker fuel rail holder file
Standard thickness fuel rail holder for CX650, GL650, GL700 carbs – by Alex Marion. This particular holder is the same size as the Honda original part.

Original size fuel rail holder file
Carburetor piston ring for CX500, GL500, CX650, GL650, GL700 carbs – by Alex Marion.

Throttle linkage pin, large – CX650, GL650, GL700 carbs – by Alex Marion.

Large throttle linkage pin file
Throttle linkage pin, small – CX650, GL650, GL700 carbs – by Alex Marion.

Small throttle linkage pin file
Carburetor piston guide (aka banana plug) – CX500, GL500, CX650, GL650 – by Alex Marion.

Idle screw knob – by Alex Marion.

Thanks Alex!