Sym MB10A7-A series Service Manual page 57

3. Fuel System
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Cleaning
Remove the main jet, main jet seat and slow
jet.
Remove the air adjusting screw.
Caution
Be careful not to damage jets and
adjusting screw.
Before removing the adjusting screw, turn
it all the way in clockwise and record the
number of circles.
Do not turn the adjusting screw forcefully,
or the valve seat may be damaged.
When the air adjusting screw is removed,
take out the inner washer with it.
Clean the jets with Carburetor conditioner.
Then use compressed air to blow the dirt off.
3-8
To this chapter contents
Slow jet
Main fuel passage
Air adjusting screw
Main jet seat
Spring
Main jet
Main jet
Slow jet
Air adjusting screw
Slow fuel passage
Slow air passage