You just finished cleaning the carbs, and you need to put them back on the
bike. The only trouble is, you can't remember where to attach all of those
You've come to the right place!
The REServe hose runs from outlet 1 on the fuel tank
petcock to inlet 5 on the frame-mounted petcock.
*Click on Image to enlarge
The ON (main) hose runs from outlet 2 on the fuel tank
petcock to inlet 4 on the frame-mounted petcock.
The hose that carries fuel to the carburetors runs from
outlet 3 on the frame-mounted petcock to inlet 7 on the lower tube between
The vacuum hose runs from the back of the frame-mounted
petcock to the inside of the left carburetor. In the first picture it is the
hose that the number 3 seems to be resting on. In the second picture the
same hose comes up between the carburetors from below. This hose has a
smaller diameter than the others.
The remaining hose connects to inlet? outlet? 6 on the
upper tube between the carbs. The other end of the hose is draped over the
airbox and left open to the air. (This may be different on California