2004 SR Johnson 2 Stroke 9.9, 15, 25, 30 HP Outboards Service Manual, Page 158Get this manual
CARBURETOR Check for correct positioning of the float levelThe float level controls the height of fuel in the float chamber and is essential to carburetor calibration and functionTurn carburetor body upside down and hold so gasket surface is horizontalThe weight of the float will close the float valve needleRest Float Gauge, PIN 324891, on gasket surface and slide gauge up, next to floatTop of float should be between notches on gaugeUse notch that is indicated "9.915 HP Be certain gauge is not holding down the floatBend the float lever tab to adjust float drop
FUEL SYSTEM
1Base of carburetor body 2Float lever tab 3Float drop dimension
99 &I5H.P2 THRU6H.P
Install the float chamber and new gasketTighten the screws to torque of to 10 inIbs(0.8 to 1.2 Nm), following sequence embossed on float chamberInstall the carburetor body cover and gasketTighten the screws to torque of to 10 inIbs(0.8 to 1.2 Nm), following sequence embossed on cover