Sym Fiddle II 50 SYM Series User Manual

4. FUEL SYSTEM SYM
4-8
FLOAT CHAMBER
Disassembly
Remove 3 mounting screws and remove the
float chamber cover.
Remove the float pin and float valve.
Checking
Check float needle valve and valve seat for
drop difference damage, wear out, dirty or
clogged.
Cautions
Remove main jet,slow jet, fuel amount
adjustment screw.
Cautions
Clean jets with cleaning fluid.
Then use compressed air to blow dirt off.
Blow carburetor body passages with
compressed air.
In case of worn out or dirt, the float needle
valve and valve seat will not tightly close
causing fuel level to increase and as a
result, fuel flooding. A worn out or dirty float
needle valve must be replaced with a new
one.
 Take care not to damage jets and adjust
screw.
 Before removing adjustment screw, turn it
all the way down and note the number of
turns.
 Do not turn adjustment screw forcefully to
avoid damaging valve seat face.
main jet
slow jet
float
float pin
float needle
valve
float pin
main jet
slow jet
fuel amount
ad
j
ustment screw
screws× 3
float
float pin

Sym Fiddle II 50 SYM Series Specifications

General

Brand	Sym
Model	Fiddle II 50 SYM Series
Category	Motorcycle
Language	English