7. CARBURETOR
7-4
●
Check the
jet needle ①, main jet ②, needle jet③,
Idel speed adjust bolt ④, pilot jet⑤, starter jet⑥
and starter plunger ⑦ for wear and bends;
Wear or bends: → Replace
● Check above jets for clog. Blow out the jets with
compressed air.
● Insert piston valve into carburetor body and check
the free movement;
● Check free movement of throttle valve. Replace
With a new one if it’s stuck;
3. Measurement and Adjustment
● Keep the carburetor in a upside down position.
Measure distance “a” from the mating surface of
float chamber (without gasket) to the top of float.
Float Heigh
t: 10±1mm
Note: The float arm
should rest on the needle
valve. Do not compress the needle valve.
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