very exciting! :-)
from the walbro site:

Part Name HDC-44-1
Venturi (mm) 11.13
* Kit - Repair K10-HDC
** Kit - Gasket/Diaphragm D10-HDC
1 * Ring - Screen Retainer 16-42
2 Ring - Shaft Retainer
3 Lever - Throttle
4 Cover - Fuel Pump 21-147
5 Cover - Metering Diaphragm 21-112
6 Shaft Assembly - Throttle 30-634
7 Valve - Throttle 34-48
8 Shaft Assembly - Choke 40-644
9 Valve - Choke 62-40
10 Stop - Throttle 68-13
11 * Valve - Inlet Needle 82-75
12 Seat Assembly - Check Valve 86-520