42 bing carburetor diagram
You see, Bing CV carburetors don't actually have a choke. When you operate the "Choke" lever, what you are actually doing is rotating a disc-valve in the auxiliary carburetor. This is a small carburetor within the main carburetor that is used to provide extra air and a rich mixture when starting and idling a cold engine. Diagram #31_0505: FRONT WHEEL SWING FORK. Diagram #31_0507: FRONT WHEEL SWING FORK. Diagram #31_0508 : 32-Steering: HANDLE UNIT, RIGHT Took Apart and Cleaned the BING carbs. These are the 64/32/9 and 64/32/10 BING carburetors. They were standard issue on the R75/5 BMWs back in the early 70's. From what Siebenrock says, they will work just fine with their power/performance upgrade piston/cylinder kit. Bing carburetor diagram