Auto Choke System; Constituents; Wiring Schematic - Yamaha CE50T Service Manual

A U T O CHOKE S Y S T E M
C A R B U R E T I O N
A U T O CHOKE S Y S T E M
CONSTITUENTS
The electric auto-choke consists of the Positive
Temperature Coefficient (P.T.C.) thermistor, wax
element and starter plunger.
~ P.T.C. thermistor
Wax element
O-ring
(~) Starter plunger
I P.T.C.
thermistor I
When electric current flows in this thermistor, it
begins to be heated up to a specified temperature.
This specified temperature is then reained.
I Wax
element I
The wax element changes its volume according
to a varying temperature of the thermistor,
thereby causing the starter plunger to operate.
I Starter
plunger I
The starter plunger opens or closes the starter
passage according to changes in the volume of
the wax element,
r-i
m
±
®
®
WIRING SCHEMATIC
Power source is provided by the C.D.I. magneto
lighting coil.
(~) C.D.I. magneto
(~) Rectifier/Regulator
(~ Auto choke unit
4-1