Evinrude 6 HP 1978 Model 6804, 6805

Clymer - 1973-1990  EVINRUDE/JOHNSON OUTBOARD 2-40 HP SHOP SERVICE MANUAL B732

• Covers 2 - 40 HP 2-Stroke
• 1973-1990
• Outboard Shop Manual

SELOC - Johnson/Evinrude Outboards 1973-89 Repair Manual #1302

• Covers all 1.25-60 Hp, 1 and 2-cylinder, 2-stroke models.
• 1973-1989
• Repair Manual

18-3001 Impeller

Impeller / Water Pump should be replaced every year or two.  Does not include impeller plate which does not need to be replaced every time.

18-3102  Impeller Wear Plate

18-3202 Sierra Impeller Repair Kit

This kit contains both impeller (18-3001 available separately) and wear plate (18-3102 available separately).

18-3543 Marine Thermostat

• 143 deg farenheigt

18-3674 Thermostat Kit

• The Sierra 18-3674 Thermostat Kit is interchangeable with the following: GLM 13280. Contains: 18-1219 Grommet Gasket, 18-0182 Thermostat Gasket, 18-3135 Stainless Steel Bolt, 18-2546 Thermostat Gasket, 18-3567 Rubber Valve, 18-3562 Valve Cup, 18-1243 Valve Spring, 18-3563 Poppet Relief Valve, 18-3565 Retainer, 18-3543 Thermostat.
• Sierra Thermostat Kit
• 18-3543 Thermostat Included
• Sierra part number: 18-3674
• Interchangeable with the following: GLM 13280

323596 Water Pump Housing

379764 Impeller

Note:  Do not use this impeller kit with plastic impeller housing.

763758 Water Pump Repair Kit with Housing

18-6526 Throttle Cable (38")

• Sierra Throttle Cable
• Meets or exceeds the original equipment quality
• Sierra part number: 18-6526
• Interchangeable with the following: Evinrude/Johnson 397004

307949 Evinrude Johnson Prop Shear Pin, Propeller Drive Pin

• For Johnson Evinrude with Pin Drive Propellers
• 6 HP  1966-1979
• 9.5 HP  1964-1973
• 9.9 HP  1978-1979
• 10 HP  1960-1963
• 18 HP  1960-1963
• 20 HP  1958-1959
• 25 HP  1973-1978
•  
• Sacrificial Part Designed to Break
• Helps prevent, or at least limit damage to your motor and prop if you hit something.
• You should have a few spares.
• Don't use the wrong, or make your shear pin from the wrong material!

Other Evinrude Johnson Prop Shear Pins, and Propeller Drive Pins

324690 Evinrude Johnson Prop Shear Pin, Propeller Drive Pin

• For Johnson Evinrude with Pin Drive Propellers
• 4 HP Delux  1980-Newer
• 4.5 HP  1980-1991
• 5 HP  1980-Newer
• 5, 6 HP 4-Stroke  1997-2001
• 6 HP  1960-Newer
• 6 HP 4-Stroke  2003
• 7.5 HP  1980-1983
• 8 HP  1980-Newer
•  
• Sacrificial Part Designed to Break
• Helps prevent, or at least limit damage to your motor and prop if you hit something.
• You should have a few spares.
• Don't use the wrong, or make your shear pin from the wrong material!

Other Evinrude Johnson Prop Shear Pins, and Propeller Drive Pins

6-15 HP Aluminum Propellers for Johnson Evinrude  Pin Drive

• For Evinrude Johnson OMC BRP
• 6 HP 1966-1979
• 8-15 HP 2000 & Newer
• 9.5 HP 1964-1973
• 10 HP 1958-1963
• 10, 12, 14 European HP 1982-1994

You probably won't find them on Amazon, but they have them on eBay.

Return to Propellers: 

396514 Carburetor Float and Arm Assembly

0439071 Carburetor Kit with Float

18-7043 Sierra Carburetor Tune-Up Kit

18-7094 Carburetor Needle and Seat

18-7823 Fuel Pump Kit

387321 Powerhead Gasket Set

18-2961 Sierra Head Gasket

18-5176 Ignition Coil

18-5758 Power Pack

Champion 5933 Stainless Steel Marine Spark Plug

• .03 Ga
• Unique anti-fouling design
• Engineered to exceed OE designs
• Maximum durability
• Designed for easy starting

Champion Premium Spark Plug QL86C # 933

Evinrude / Johnson Gap .030

Mercury Outboards

• 7.5 HP  1969-1967  75  QL86C  L86C  0.03
• 6 HP  1969-1967  60  QL86C  L86C  0.03
• 4 HP  1979-1976    QL86C  L86C  0.05

Also see:  Champion 5933 Stainless Steel Marine Spark Plug

18-2681 Marine Lower Unit Seal Kit

Seal Kit Contents:

• Part #     Desc.     O.E. # Qty.
• 18-2023 Oil Seal 313282   1
• 18-2024 Oil Seal 314167   1
• 18-2891 Bearing Housing Gasket 303339 1
• 18-4248 Washer 311598 2
• 18-7100 O-Ring 301877 1
• 18-7117 O-Ring 303360 1
• 18-7120 O-Ring 307853 1
• 18-2534 Spaghetti Seal 309044 1

18-7100 O-Ring

ID: 0.245, Width: 0.155

18-7111 O-Ring

ID: 0.197, Width 0.113

18-7117 Marine O-Ring for OMC

ID: 1.060, Width: 0.135

18-7120 O-Ring

ID: 0.215, Width: 0.065

18-7180 Marine O-Ring

ID: 0.445, Width: 0.090

18-2023 Marine Oil Seal for OMC

Size: 0.554, OD: 1.062, Width: 0.312

18-2024 Marine Oil Seal for OMC

Size: 0.425, OD: 0.937, Width: 0.312

18-4904 Starter Handle and Rope for Johnson/Evinrude

• Sierra Starter Handle and Rope Kit
• Rope size: #4.5
• Sierra part number: 18-4904