Carburetor - Sym Mio 50 Service Manual

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4. Fuel System

Carburetor

Air cleaner clamp
Heat-isolator clamp
Carburetor Removal
Remove the luggage box and seat.
Loosen the adjustment nut and fixing nut of throttle
valve cable, and release the cable from
carburetor.
Remove fuel pipe, vacuum hose.
Remove air cut-off valve hose
Disconnect automatic by-starter connectors.
Release the clamp strip of air cleaner.
Release the clamp strip of carburetor isolator.
Take the carburetor out.
Adjustment nut
2 Screws
Vacuum Chamber Removal
Loosen drain screw, and drain out residual fuel in
float chamber.
Remove screws (2 screws) of vacuum chamber
cover and the cover.
Remove compress spring and vacuum piston.
Remove fuel needle seat, spring, and injector
needle.
Check if the vacuum piston for wear out, crack or
other damage.
Check if the diaphragm for damage or crack.
Caution
Do not damage vacuum diaphragm.
Installation
Install in reverse order of removal procedures.
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