Suzuki MT50 Service & Parts Manual page 171

G.
Starter plunger :
The starter plunger is a kind of valve which
controls the starter system.
passages for air and fuel are opened and a rich
fuel/air mixture enough to start the coldest
engine is dispensed.
bottom, the passages are closed.
H. Starter jet :
The starter jet, whi�h is press-fitted to the
float chamber bowl, determines the amount
of fuel supplied to the starter system. Starter
jets also are numbered according to the a­
mount, measured in cubic centimeters, of fuel
which can flow through it in one minute.
I. Throttle valve adjusting screw :
The throttle valve adjusting screw determines
the minimum opening of the throttle and
regulates the rpm of the engine at idle. Turn­
ing the throttle valve adjusting screw in lowers
the engine rpm and turning it out raises the
same.
J. Needle valve and float :
Fuel enters the carburetor float chamber from
the fuel line and the float rises.
tongue pushes the needle valve and stops the
fuel flow into the float chamber.
needle valve and float work together and
keeps the fuel level in the float chamber pro­
per at all times.
If it is raised, the
If it is lowered to the
The float
Thus the
Fig. 9-25-9 Starter plunger
Fig. 9-25-10 Startar jet
Fig. 9-25-11 Needle valve and f I oat
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