Buell S1 Lightning Workshop Manual page 214

XLH0404
Start float position
Correct float position
Incorrect float position
Float
"Base"
Float
0.413-0.453 in.
(10.49-11.51 mm)
15 to 20˚
Float
Greater than 20˚
Figure 4-11. Carburetor Float Adjustment
Fuel inlet valve
Pin return
spring collapsed
Pin
4-13