Sym ALA125CC Manual page 122

SYM
AUTO BY-STARTER
Inspection
Turn off engine and waiting for over 10
minutes for cooling.
Check resistance across the two terminals of
the auto by-starter
Resistance value: Max. 10Ω (Measured
after engine stopped for more than 10
minutes)
Replace the auto by-starter with a new one if
resistance value exceeds standard.
Remove the carburetor, allow it to cool off for
30 minutes.
Connect a hose to fuel richment circuit.
Pump compressed air to the circuit.
Replace the auto by-starter if the circuit
clogged.
Connect battery posts (12V) to starter's
connectors. After 5 minutes, test the rich
circuit with compressed air. If air flow
through the circuit, then replace the starter.
Removal
Remove fixing plate screw, and then remove
the plate and auto by-starter from carburetor.
Valve inspection
Check if auto by-starter and valve needle for
damage or wear out.
Installation
Install auto by-starter to the carburetor body.
Install fixing plate to the upper groove of auto
by-starter, and install its flat surface to
carburetor. Install screw and tighten it.
Cautions
Align the round point of the starter with
the screw hole of air intake side.
Screws
× 2
fixing plate
Screws × 2
fixing plate
4. FUEL SYSTEM
automatic
by-starter
round point
valve needle
4-7