2004 SR Johnson 2 Stroke 9.9, 15, 25, 30 HP Outboards Service Manual, Page 155Get this manual
FUEL SYSTEM
CARBURETOR
2530 MODELS
Remove manual primer fuel nipple, gasket and high-speed orifice from float chamber using Orifice Driver, PIN 317002Remove intermediate air bleed orificeRemove the screws, float chamber and gasketRemove hinge pin and float Remove inlet valve assemblyRemove nozzle well gasketRemove slow-speed needle and springRemove four screws and carburetor body cover with gasket
Cleaning and Inspection
IMPORTANT: Do not clean carburetor or its components by submerging in strong carburetor cleaner or hot soaking tankStrong cleaners might damage components or remove sealing compoundsBefore inspection, all carburetor components must be thoroughly clean Carburetor must be completely disassembled Clean parts with Carburetor and Choke Cleaner Use clean bristle brush to remove gum or varnish deposits Blow dry with shop air of not more than 25 psi (172 kPa)When drying passages, direct the flow of shop air opposite to the direction of fuel flow