Johnson 40 HP 1963 Model RD-25, RDL-25, RDS-25, RDSL-25, RK-25, RKL-25

Clymer - Evinrude Johnson Outboard Shop Manual 1.5 to 125 Hp 1956-1972  B734

• Covers 1.5 - 125 HP 2-Stroke
• 1956-1992
• Outboard Shop Manual

SELOC - Johnson/Evinrude Outboards 1958 - 72: 1.5-125 Hp, 1-3 Cylinder & V4 Models  #1300

• Covers 1.5 - 125 HP, 1-3 Cylinder & V4
• 1958-1972
• Repair Manual

18-3083 Sierra Impeller

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

379768 Impeller Kit

379775 Water Pump Kit

1958-1959 35 HP with Thermostat Only

1967-1970 40 HP Electric Shift Only

18-2093 Drive Shaft Oil Seal

• For: 20 - 35 HP (1977-1995) seal for propshaft 18-2026, driveshaft 18-2033, upper crankcase 18-8351
• Size: 1.110, OD: 1.570, Width: 0.370

25 - 40 HP Aluminum Propellers for Evinrude Johnson (Pin Drive)

• For Evinrude Johnson OMC
• 25 HP 1951-1955
• 28 HP 1962-1964
• 30 HP 1956
• 33 HP 1965-1970
• 35 HP 1957-1959
• 40 HP 1960-1976
• 40 HP Commercial  1978-1985
• Right Hand Rotation
• Hard to find on Amazon, but they have them on eBay.

Sorted by Pitch. 

Pitch is how far, in inches,  the boat would travel with 1 prop rotation (under ideal conditions).  Higher pitch = Faster, Lower Pitch = Slower and more power.

25 - 40 HP  Pin Drive Props for Evinrude Johnson

304575 Evinrude Johnson Prop Shear Pin, Propeller Drive Pin

• For Johnson Evinrude with Pin Drive Propellers
• 33 HP 1965-1970
• 35 HP 1957-1959
• 40 HP  1960-1987
•  
• 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

18-5807 Solenoid

18-7010 Carburetor Kit

18-7093 Sierra Carburetor Needle and Seat

18-7801 Fuel Pump Repair Kit

18-7822 Fuel Pump Kit

18-2957 Head Gasket

18-5002 Ignition Tune-Up Kit

Kit Contains:

• 18-5205 Condenser 581419 qty 2
• 18-5156 Contact Set 580148 qty 2

Sierra International 18-5156 Contact Set

18-5181 Sierra Replacement Ignition Coil

Sierra Marine Replacement Ignition Coil.  You need one coil for each cylinder.  Old coils often become cracked or disintegrate over time because of the epoxy sealer originally used.  New coils made with different materials are much more reliable than the original.

18-5205 Condenser

Champion Spark Plug - Cj8 J8C 841

Evinrude / Johnson Gap .030

Mercury Outboards

• 15 HP 1966-1960  150    0.025
• 10 HP 1966-1960  100    0.025
• 10 HP 1966-1960  110    0.025
• 6 HP 1966-1960  60   0.025
• 3.9 HP 1966-1960  39    0.025

18-4040 Marine Needle Bearing

18-2686 Marine Lower Unit Seal Kit

Note:  40 HP Manual Shift Only

Seal Kit Contents:

• Part #      Desc.        O.E.#          Qty.
• 18-0882 Shift Rod Gasket 304764  1
• 18-2005 Oil Seal    313284             1
• 18-2021 Oil Seal    302564             1
• 18-4248 Washer    311598             2
• 18-7100 O-Ring    301877              1
• 18-7115 O-Ring    302588              1
• 18-7120 O-Ring    307853, 322598   1

18-2687 Marine Lower Unit Seal Kit

Note: 40 HP - Electric Shift Only

Seal Kit Contents:

Part #      Desc.     O.E#      Qty.

• 18-2005  Oil Seal  313284     1
• 18-4248  Washer  311598     2
• 18-7120  O-Ring   307853, 322598  1
• 18-7152  O-Ring   307082     1
• 18-2027  Oil Seal  321459     1
• 18-7143  O-Ring   322501     1
• 18-0173  Oil Seal   313283    1
• 18-7428  Rubber Seal   307103   1

18-7100 O-Ring

ID: 0.245, Width: 0.155

18-7102 O-Ring

ID: 0.430, Width: 0.065

18-7111 O-Ring

ID: 0.197, Width 0.113

18-7114 O-Ring

ID: 1.000, Width: 0.135

18-7152 Marine O-Ring

ID: 2.625, Width: 0.135

18-7164 Marine O-Ring

ID: 1.375, Width: 0.100

18-2005 Oil Seal

Size: 0.625, OD: 1.128, Width: 0.250

18-2021 Marine Oil Seal for OMC

Note:  40 HP 1988 - AR, AE, AT Models Only

Size: 0.750, OD: 1.375, Width: 0.250

18-4904 Starter Handle and Rope for Johnson/Evinrude

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

375836 Recoil Starter Rewind Spring