Got the kit today and realised it was not the closest to my carby. I know you linked D10-WAT for information only but that is also the kit Walbro recommends for WT-148-1, which is the carburetor that superseded mine (WT 148A).

I had a quick look again and it seems D20-WAT was what I needed. The metering diaphragm is the correct one but the conventional fuel pump diaphragm is not the same. However, the mylar diaphragm suits perfectly. I am now thinking: I could order a new kit, I could leave the old fuel pump diaphragm on or I could use the mylar type.

[Linked Image]

Looking at the old diaphragm, I see it is not very good flexible so perhaps I will try the mylar type and see what happens.

Last edited by grumpy; 18/01/14 07:07 PM. Reason: Add ubb to markup