11. CARBURETOR ZX / SCOUT 50
CARBURETOR INSTALLATION
Check the carburetor insulator and O-ring
for wear or damage.
Install the carburetor and insulator onto the
intake manifold and tighten the two lock
nuts.
Connect the fuel tube and auto bystarter
wire connector.
Insulator
Install the carburetor cap. ( 11-4)
Install the air cleaner onto the carburetor
and tighten the band screw. Carburetor Cap
Install the met-in box. ( 12-4)
AIR SCREW ADJUSTMENT
Remove the met-in box. ( 12-4)
Turn the air screw clockwise until it seats
lightly and back it to the specification
given.
Air Screw Opening:
1 turns
Start the engine and turn the air screw in or
out slowly to obtain the highest engine
speed. Air Screw
Turn the throttle stop screw to obtain the
specified idle speed.
Idle Speed:
2100100rpm
Slightly increase the engine speed and
make sure that the engine does not miss or
run erratic.
If the adjustment of the air screw within the
range of turn makes no difference to the
engine performance, check other related Throttle Stop Screw
items.
11-11
An excellent service and not too long too wait for the part to be delivered. I live in Germany and its not easy to get spare parts here. I hope not to need your services again but if I do I will have no hesitation in doing so. John W. Parmley 
4.7 / 5