Evinrude 25 HP 1973 Model 25302 25303 25352 25353

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

18-3002 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.

18-3103 Impeller Plate

18-3203 Marine Impeller Repair Kit

Contains 18-3002 Impeller and 18-3103 Plate.

18-3377 Water Pump Repair Kit without Housing 

• The Sierra 18-3377 Water Pump Kit without Housing is interchangeable with the following: Evinrude/Johnson 0382468. Contains one each: 18-3002 Impeller, 18-3103 Impeller Plate, 18-3326 Impeller Key, 18-3329 Grommet. Each Sierra product meets or exceeds the original equipment part it replaces.
• Sierra Water Pump Kit without Housing
• Contains one each: 18-3002 Impeller, 18-3103 Impeller Plate, 18-3326 Impeller Key, 18-3329 Grommet
• Sierra part number: 18-3377
• Interchangeable with the following: Evinrude/Johnson 0382468

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

10-28 HP Aluminum Propellers for Johnson Evinrude (Pin Drive) Split Gearcase

• For Evinrude Johnson OMC
• 10 HP  1951-1957
• 15 HP  1953-1956
• 18 HP  1957-1973
• 20 HP  1969-1973
• 25 HP  1969-1977
• 28 HP  1964
• Pin Drive, Split Gearcase

Hard to find on Amazon, but they have them on eBay.

10-28 HP Aluminum Pin Drive, Split Gearcase

Return to Propellers:  

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

314364 Evinrude Johnson Prop Shear Pin, Propeller Drive Pin

• For Johnson Evinrude with Pin Drive Propellers
• 25 HP  1960-1973
• 30 HP  1956
•  
• 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

18-5808 STARTER SOLENOID

18-7042 Siearra Carb Kit

Note: 25, 35 HP 1995-Up Except 3 Cylinder Models

18-7093 Sierra Carburetor Needle and Seat

18-7210 Sierra Carburetor Float

18-7222 Sierra Carb Kit With Float

18-7823 Fuel Pump Kit

384960 Powerhead Gasket Set

18/25 HP use 322332 Head Gasket plus

18-2962 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

18-5163 Sierra Ignition Coil

18-5172 Sierra Ignition Coil

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

18-2684 Marine Lower Unit Seal Kit

Seal Kit Contents:

• Part #      Desc.              O.E.#    Qty.
• 18-0882  Shift Rod Gasket 304764  1
• 18-2032  Oil Seal 321788 1
• 18-4248  Washer 311598 2
• 18-7100  O-Ring 301877 1
• 18-7120  O-Ring 307853 1
• 18-2031  Oil Seal 321787 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

18-7112 O-Ring

ID: 1.170, Width: 0.135

18-7114 O-Ring

ID: 1.000, Width: 0.135

18-7116 O-Ring

ID: 0.360, Width, 0.100

18-7120 O-Ring

ID: 0.215, Width: 0.065

18-7164 Marine O-Ring

ID: 1.375, Width: 0.100

18-2005 Oil Seal

Size: 0.625, OD: 1.128, Width: 0.250

18-2018 Marine Oil Seal for OMC

Size: 1.000, OD: 1.376, Width: 0.250

18-2032 Oil Seal

Size: 0.500, OD: 1.000, Width: 0.188

18-4904 Starter Handle and Rope for Johnson/Evinrude

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

18-5629 Starter

Fits OMC 18-40 11 Tooth Drive Gear

Starter For OMC Johnson Evinrude Marine 20 25 28 30 35 40 HP

18-6501 Rewind Spring for Johnson/Evinrude

• Sierra Rewind Spring
• Meets or exceeds the original equipment quality
• Sierra part number: 18-6501
• Interchangeable with the following: Evinrude/Johnson 395460, 307573
• Fit specific, check part numbers to ensure proper fit

18-6513 Starter Pawl, Pack of 3