272144 Vanguard Twin Cylinder OHV BRIGGS & STRATTON.pdf
272144 Vanguard Twin Cylinder OHV BRIGGS & STRATTON.pdf
272144 Vanguard Twin Cylinder OHV BRIGGS & STRATTON.pdf
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Fixed Main Jet Sizes<br />
Model 351700<br />
Left (#1) cylinder is equipped with #98 main jet.<br />
Right (#2) cylinder is equipped with #100 main jet.<br />
<br />
<br />
Model 351400<br />
Left (#1) cylinder is equipped with #94 main jet.<br />
Right (#2) cylinder is equipped with #98 main jet.<br />
Model 380700<br />
Left (#1) cylinder is equipped with #118 main jet.<br />
Right (#2) cylinder is equipped with #116 main jet.<br />
Model 380400<br />
Left (#1) cylinder is equipped with #110 main jet.<br />
Right (#2) cylinder is equipped with #114 main jet.<br />
Fig. 62<br />
5. Remove pilot jets (11), Fig. 63.<br />
6. Remove float bowl drain screw (13) and spring<br />
(12).<br />
<br />
<br />
<br />
<br />
<br />
Fig. 63<br />
7. Drive out float hinge pin (16) from side<br />
OPPOSITE throttle lever (17). Remove float<br />
(14) and fuel inlet needle (15) assembly, Fig. 64.<br />
8. Remove and discard throttle shaft and choke<br />
shaft welch plugs.<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
Fig. 61<br />
4. Remove carburetor lower body screws (9). Lift<br />
lower body straight away from upper body,<br />
Fig. 62. Discard gasket (10).<br />
Fig. 64<br />
9. Remove idle mixture screws (19) and springs<br />
(20), Fig. 65.<br />
<br />
91