1990 Outboard 9.9 Parts 225.581993 Parts & Diagrams | Engine Information | Most Popular Parts Click the diagram where you think your part is located Parts & Diagrams Propeller Guide CARBURETOR CRANKSHAFT AND PISTON CYLINDER ENGINE COVER AND SUPPORT PLATE FUEL INTAKE AND RECIRCULATION SYSTEM FUEL TANK AND LINE GEAR HOUSING IGNITION SYSTEM MOTOR LEG AND SWIVEL BRACKET SHIFT LINKAGE STARTER STERN BRACKETS TILLER HANDLE AND THROTTLE LINKAGE ENGINE SPECIFICATIONS FOR 225.581993 Parts Group:SEARS TOP SELLING ITEMS FOR YOUR 1990 Outboard 9.9 [ 225.581993 ] Mercury Marine Primer Bulb F681046 USD 28.99 28.99 $28.99 You save $0.18. (1%) Mercury Marine W/P Impeller F436065-2 USD 27.83 27.83 $27.83 You save $1.46. (5%) Mercury Marine Fuel Bushing F197767-2 USD 29.95 29.95 $29.95 You save $1.05. (3%) Mercury Marine Carburetor Repair Kit FK10295 USD 63.65 63.65 $63.65 You save $3.35. (5%) Mercury Marine Prop - 3 Blade 8x9.25RH Nylon FP6477 USD 112.44 112.44 $112.44 Mercury Marine Lower Gear Housing Seal Kit FK1065 USD 74.95 74.95 $74.95 You save $4.30. (5%) Mercury Marine Water Pump Kit FK1031-1 USD 169.95 169.95 $169.95 You save $1.63. (1%) Mercury Marine (.312-18 Special) Screw F286422-1 USD 39.95 39.95 $39.95 You save $1.63. (4%) Mercury Marine Idle Mix Screw- FO15520 USD 22.33 22.33 $22.33 You save $1.17. (5%) Mercury Marine Bowl-Fuel FO15366 USD 32.54 32.54 $32.54 You save $1.71. (5%) Mercury Marine Exhaust Plate- F715151 USD 24.95 24.95 $24.95 You save $1.38. (5%) Mercury Marine Tilt Lock F429541 USD 42.99 42.99 $42.99 You save $10.68. (20%) Due to manufacturer policy OEM Mercury products can only be shipped to addresses within the United States.