SYM 4. FUEL SYSTEM
4-7
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.
valve needle
fixing plate
Screws × 2
fixing plate
automatic
by-starter
Screws
×2
round point
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