2-12 FUEL SYSTEM
Loosen the carburetor clamps [A] and slide back the
spring bands [B].
Remove the carburetor from the end of the air cleaner
duct, and then pull it out of the carburetor holder.
Remove the carburetor to the left side.
Slip the throttle cable lower ends out of the cable bracket.
After removing the carburetors, stuff pieces of lint-free,
clean cloths into the carburetor holders and the intake
ducts to keep dirt out of the engine and air cleaner.
If dirt or dust is allowed to pass through into the
carburetors, the throttle may become stuck, possi-
bly causing an accident.
If dirt gets through into the engine, excessive en-
gine wear and possible engine damage will occur.
Installation is the reverse of removal.
Check fuel leakage from the carburetors.
Fuel spilled from the carburetors is hazardous.
Adjust the following items if necessary.
Read the WARNINGS in the Carburetor Removal.
For the United States and Switzerland models, remove
the pilot screw plug as follows:
Punch a hole in the plug and pry it out with an awl or other
Turn in the pilot screw and count the number of turns until
it seats fully but not tightly, and then remove the screw.
This is to set the screw to its original position when as-
After installing the upper chamber cover, check that the
vacuum piston slides up and down smoothly without bind-
ing in the carburetor bore.
During carburetor disassembly, be careful not to
damage the diaphragm. Never use a sharp edge to
remove the diaphragm.