BF15DSBF20D
d.
INSPECTION
FLOAT LEVEL HEIGHT
Place the carburetor in the position as shown and measure
the distance between the float top and carburetor body when
the float just contacts the seat without compressing the valve
spring.
1
Standard float
height
13.7
mm
(0.54
in)
I
If
the height is out of specification, adjust the float height by
bending the float mounting tab carefully.
FLOAT /FLOAT VALVEFLOAT VALVE SEAT
1)
Check the float for crack
or
damage. Replace
if
neces-
2)
Check the float valve for wear or damage, replace if nec-
sary.
essary.
NOULES/JETS
Check the main jet, main nozzle jet nozzle for clogged or
damage. Replace
if
necessary.
SE THERMAL VALVE
1)
Check the valve piston and needle for wear or scratch.
replace as assembly, if necessary.
PI
FLOAT LEVEL GAUGE
07401
-001
0000
[ij
FLOAT
[2]
VALVE SEAT
[3]
GOOD
51
FLOAT
A
[4]
WEAR
VALVE
~~
[2]
MAIN NOZZLE
1
[l]
JETNOZZLE
/
JET
I
[2]
NEEDLE
[l]
VALVE
PISTON
6-7
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