Polaris 1999 Sportsman 400 Service Manual page 185

FUEL SYST EM
"
179
17
®
3. Carefully withdraw the throttle valve/diaphragm
assemb ly (Figure 14).
4. To disassemb le the throttle valve/diaphragm as-
sembly, perform the following:
a. Slowly push the je t needle up to dislodge the
upper ring.
b. Remove the upper ring. jet needle. E-ring and
lower ring (Figure 15).
5. Remo ve the mounting
screws
and remove the
float bowl and O-ring gasket (Fignre 16).
6. Carefully tap out the
fl oat
assembly pivot pin (A.
Figure 17).
7. Pull straight up and remove the float assembly
(B, Figu re 17). Do not lose the needle valve
at-
tached to the
Fl oat
tung.
8. Remo ve tilt: two
screws
<lUG the mou ntin g plat e
(Figure 18).
9. Pull straight up and removethe needle valve scat
(Figure 19 ).
10. Unscrew and remove the pilot je t ( Figur e 20).
II. Unscrew and re mo ve the main je t (Figure 2 I)
and spacer ring (Figure 22).
12. Unscrew and remove the air jet (F igure 23 ).
13. Do not remove the pilot screw (Figure 24).