Carburetor Service - Nikki (28Q700) - Briggs & Stratton Vanguard 05000 Manual

2. Place a new bowl gasket on the carburetor
body.
3. Place the bowl on the carburetor. Install
the float bowl screw.
4. Torque the screw to values listed.
Identifying Main Jets
(235400, 245400, 28Q700)
Model Series Standard Jet
235400 497570
245400 498172
5
28Q700 231858
Carburetor Service - Nikki
(28Q700)
CAUTION: Do not use wires, drills or other
devices to clean out metering holes or passages.
NOTE
: Use compressed air at a moderate
pressure setting (5-7 PSI). Blow in both
directions to clean out all openings and
passages.
Location of the part number ([A] Fig. 131).
128
High Altitude
Jet
497571
Disasse mbly
498172
Do not lose the spring betwee n the fuel bowl and
231850
the float assembly.
Fig. 131
1. Remove fuel bowl screws (G) and
separate fu el bowl (H) and solenoid (E)
from the carburetor body ([I] Fig. 132).
Fig. 132
2. Remove the solenoid (E) from the fuel
bowl ([H] Fig. 132).
3. Remove the float assembly (J) from the
carburetor base (I).
4. Pull the hinge pin (K) from the float base.
5. Separate the float and needle from the
float base ([L] Fig. 133).