OMC 172805 Motor Catalog

( Brand: Omc ), ( Part Type: Motor ), ( Manufacturer Part Number: 172805 ), ( Media Type: Parts Catalog ), ( Publisher: Outboard Marine Corp )

Review OMC Evinrude Johnson Motor Accessories Parts Catalog Final Ed fits MARINE 1974–1996

OMC 172805 Evinrude Johnson Marine Motor (1974 Edition Catalog)

The OMC 172805 Evinrude Johnson marine motor is a classic and highly sought-after outboard engine, as evidenced by its inclusion in the 1974 Evinrude Johnson marine motor catalog. This engine is a testament to the technological advancements and engineering expertise of its time.

The OMC 172805 is a two-stroke, naturally-aspirated, in-line, three-cylinder engine. It boasts a displacement of 54.5 cubic inches (893.6 cubic centimeters) and a bore and stroke measurement of 3.0 inches by 3.3 inches (76.2mm x 83.8mm). The engine's compression ratio is listed as 6.2:1, providing ample power for various watercraft applications.

The carburetor system on this engine consists of three Keihin carburetors, which ensure a consistent fuel-air mixture for optimal combustion. The ignition system is a contact breaker type with an electronic advance, providing precise timing control for efficient power output.

The OMC 172805 Evinrude Johnson marine motor is designed to be robust and durable, with features such as a heavy-duty gearcase, a high-strength aluminum alloy cylinder block, and a corrosion-resistant finish. The engine also comes with a water pump integrated into the gearcase, providing cooling capabilities for the engine.

The 1974 catalog provides detailed specifications for the OMC 172805, including performance data, dimensions, and weight. The engine is capable of delivering up to 80 horsepower at 5,800 RPM, making it a powerful choice for a wide range of watercraft applications. The catalog also includes information on available options, such as different gear ratios and propeller choices, allowing customers to tailor the engine to their specific needs.

The OMC 172805 Evinrude Johnson marine motor is a piece of maritime history and a testament to the engineering excellence of its era. For collectors, restorers, or enthusiasts, this engine is a valuable addition to any watercraft or marine engine collection. The 1974 catalog provides invaluable information for those seeking to learn more about this iconic engine or to restore one to its original glory.

The OMC (Outboard Marine Corporation) 172805 Evinrude Johnson marine motor, as described in the 1974 catalog, is a classic outboard engine that has been a popular choice for boat owners for decades. Like any engine, it comes with its own set of pros and cons.

1. Reliability: The Evinrude Johnson motors were known for their durability and reliability. The 172805 model is no exception. Its simple design and robust construction make it a reliable choice for powering your boat.

2. Easy to use: The engine's design is straightforward, making it easy to operate and maintain. Its manual choke system and easy-to-read gauges make starting and monitoring the engine a breeze.

3. Power: With a displacement of 172.5 cubic inches and a horsepower rating of 85, this engine provides ample power for most small to mid-sized boats.

4. Fuel efficiency: The engine's design and size make it quite fuel-efficient, which can save boat owners money in the long run.

1. Lack of modern features: The 1974 catalog model of the OMC 172805 Evinrude Johnson marine motor does not have some of the modern features that are common in today's outboard engines, such as electronic ignition or fuel injection systems.

2. Limited power options: With a horsepower rating of 85, this engine may not be the best choice for larger boats or those that require more power.

3. Heavy: The engine's robust construction and larger size make it heavier than some modern outboard engines, which can make it more difficult to transport and install.

The OMC 172805 Evinrude Johnson marine motor is a reliable, powerful, and fuel-efficient engine that is easy to use and maintain. However, it lacks some modern features and has limited power options, making it better suited for smaller boats or those that do not require a lot of power.

If you are looking for a reliable and powerful outboard engine for a smaller boat, the OMC 172805 Evinrude Johnson marine motor is an excellent choice. Its simple design, durability, and fuel efficiency make it a great investment for boat owners who want a dependable engine that can provide ample power for their vessel. However, if you require more power or modern features, you may want to consider a more modern engine.

part # 172805 prices

• $5.00-$10.95

specifications crafttract:

• for models: Marine
• for makes: Evinrude, Johnson, Omc
• for years: 1974-1996
• brand: Omc
• part type: Motor
• manufacturer part number: 172805
• media type: Parts Catalog
• publisher: Outboard Marine Corp

returns crafttract:

• policy: No Returns

seller crafttract:

• # reviews: 27994
• rating: 99.1%

offer crafttract:

• best offers: True
• started: September 16, 2025
• availability: In Stock
• sold: 0
• quantity: 1
• options: Ship-to-home

general crafttract:

• Parts Accessories > Manuals Literature > Boats Watercraft
• condition: Used

shipping crafttract:

• class: Standard, Expedited
• type: Fixed
• cost: $0.00
• carrier: USPS
• service: Standard, USPS Priority Mail
• transit: 3-8 Days

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• wallet: Apple-pay
• credit card: Mastercard

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