Generic Trigger SM 50ccm, Owner'S Manual

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10.5 Float chamber
10.5.1 Dismantling
Dismantle the four fixing bolts and unload the
float chamber.
Dismantle the float pin and unload the float and
needle valve set.
Dismantle the main jet, main bubble tube and
idle jet.
Dismantle the idle adjustment bolts.
10.5.2 Inspection
Inspect whether the needle valve set is worn out
or damaged. If it's true, replace it with a new
product and replace the main jet at the same
time.
Inspect whether the idle jet, main jet and main
bubble tube is worn out, damaged or polluted.
If it's true, replace them.
Note ：
Clean every part of the carburetor with gasoline
and blow them dry with high pressure air.
10.5.3 Assembly
Assembly is conducted in the reverse order of
disassembly.
10.6 Installation of carburetor
Assembly is conducted in the reverse order of
disassembly.
Note
：
Assembly is conducted in the reverse order of disassembly.
Install the carburetor in the reverse order of disassembly.
10.6.1Adjustment of carburetor
Note ：
The idle adjustment bolt was adjusted when delivered out
of the factory and needs no readjustment. When
dismantling, take down the turning circle number for the
benefit of installation.
Switch on and warm up the machine for about 3 minutes, so that the engine will operate in normal running
temperature.
Adjust the idle adjustment bolts and set engine speed to be 1400rpm.
Screw the mixture adjustment bolt to the end with proper force.
The idle adjustment bolt and nozzle shouldn't
be damaged. When screwing off the idle
adjustment bolts
， memorize the circle number.
The idle speed must be adjusted after the
installation.
bolt
float chamber
needle valve set
float
main jet
float pin
main bubble tube
idle adjustment bolt
idle jet