Carburetor Idling Adjustment; Air Adjusting Screw Adjustment; Vacuum Chamber; Vacuum Chamber Removal - Carter Talon 150 FX Series Service Manual

CARBURETOR IDLING ADJUSTMENT

AIR ADJUSTING SCREW ADJUSTMENT

Step one: turn on the air adjusting screw in the turn out by the prescribed number of turns.
Step two: adjust the throttle by adjusting the screw to the prescribed idle rmp.
Step three: left and right, adjust the air adjusting screw slightly to find the highest position
of the rpm.
Add throttle quickly and gently (the rpm is from low to high), and return throttle immediately,
then observe 10 to 15 minutes, if the idle remains the same.

VACUUM CHAMBER

The picture shows the structure of the vacuum chamber of the
CV carburetor.

VACUUM CHAMBER REMOVAL

• Remove the body cover. Remove the automatic choke
lead wire.
• Loosen the fuel drain bolt, and drain the fuel in the float
chamber. Remove the fuel line, and the vacuum pipe.
• Loosen the throttle cable adjusting nut and positioning nut;
remove the throttle cable.
• Loosen the carburetor air inlet vent clip and the inlet manifold clip;
remove the carburetor.
• Remove the vacuum cover bolt, and remove the vacuum cover.
Notice: move slowly to prevent the spring from ejecting.
• Take out the spring, the vacuum membrane and the plunger.
• Press down the holding clamp of the needle valve top, and turn left
to take out the clamp.
• Take out the spring, needle valve.
Do not damage the vacuum membrane.
• Inspect if the needle valve is worn.
• Inspect if there is damage on the vacuum membrane.
• Inspect if the plunger is damaged.
Turn out number of turns
2 3/4 – 2 1/4
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