1. Boat Outboard Engines To Buy
  2. sku: 16822690035334792
  3. MERCURY 23157

MERCURY 23157 Antique Outboard Motor Rear Engine Cover KG9 KF9 MK40 25HP

fits make: Mercury. year: 1949-51.

23157 Mercury Antique Outboard Motor Kg9 Kf9 Mk40 Rear Engine Cover 25hp 1949-51

( Manufacturer Part Number: 23157 ), ( Part Type: Cover Motor Engine ), ( Country/region Of Manufacture: United States )

Review MERCURY Antique Outboard Motor Kg9 Kf9 Rear Engine Cover 25hp fits 1949-51

Mercury 23157 Antique Outboard Motor Rear Engine Cover (KG9 KF9 Mk40) for 25HP (1949-1951)

Stepping back in time with a touch of modern quality, the Mercury 23157 Antique Outboard Motor Rear Engine Cover (KG9 KF9 Mk40) is an exceptional addition to any vintage boat enthusiast's collection. This authentic replica, designed specifically for the Mercury 25HP outboard motor models from 1949 to 1951, offers a perfect blend of nostalgia and functionality.

Crafted with precision and attention to detail, this engine cover faithfully recreates the original design elements of the Mercury KG9 KF9 Mk40 models. The cover features a sleek profile, seamlessly integrating with the motor's overall aesthetic. The finish is a meticulously applied vintage-inspired paint, designed to patina over time, providing an authentic aged look that complements the classic charm of your outboard.

The Mercury 23157 Antique Outboard Motor Rear Engine Cover (KG9 KF9 Mk40) is made from durable materials that are resistant to weather and wear, ensuring it stands the test of time. The cover securely attaches to the motor using sturdy, yet discreet fasteners, providing reliable protection for your engine from the elements when not in use.

By investing in this Mercury 23157 Antique Outboard Motor Rear Engine Cover, you not only enhance the visual appeal of your vintage boat but also safeguard your valuable Mercury outboard motor. This cover is a testament to the enduring quality and craftsmanship that Mercury is renowned for, making it an invaluable asset for any boat owner seeking to preserve and celebrate the golden age of boating.

Pros and Cons of Purchasing a Mercury 23157 Antique Outboard Motor KG9 KF9 MK40 Rear Engine Cover (25hp, 1949-51)

Pros:

1. Historical Value: This antique outboard motor is a piece of maritime history. Owning it could be an exciting addition to any vintage boat or collection.

2. Rarity: As an older model, this motor is quite rare, making it a desirable item for collectors.

3. Power: With a 25hp engine, it offers enough power for a medium-sized boat and could potentially be used for recreational purposes.

4. Potential Restoration Project: For those with a knack for mechanical work, this motor could be a fun restoration project.

Cons:

1. Age: The age of the motor means it may have wear and tear, requiring repairs or replacements.

2. Functionality: As an antique, this motor may not perform as efficiently as modern outboard motors, especially in terms of fuel efficiency and speed.

3. Parts Availability: Finding replacement parts for such an old model could be challenging.

4. Cost: While the historical value and rarity add to its appeal, the cost of purchasing and maintaining this antique motor could be higher than a modern one.

Conclusion:

The Mercury 23157 antique outboard motor is a unique and valuable item, especially for collectors. However, its age and potential maintenance requirements should be carefully considered. If you're looking for a functional motor for regular use, a modern outboard motor might be a better choice. If you're a collector or enthusiast who appreciates vintage machinery, this motor could be a worthwhile investment.

Recommendation:

If you're primarily interested in functionality, consider purchasing a modern outboard motor. If you're drawn to the historical value and charm of this antique motor, proceed with caution, ensuring you understand the potential costs and challenges involved in owning and maintaining it.

Details:

Good replacement parts are very difficult to find. With this rear cover you can make your very collectible early 4 cylinder Mercury complete again. This rear cowl casting is sometimes missing on surviving engines. Here is a scarce Mercury antique outboard motor part.

Look at the photos and message with questions. This one is in nice clean condition. Lacks the two original mounting screws. Fits both KF9, KG9, KG9-1 and MK40 model's.

part #: 23157 prices

  • $39.95-$64.96

specifications ouboaen:

  • for makes: Mercury
  • for years: 1949-51
  • mpn: 23157
  • part type: Cover Motor Engine
  • country/region of manufacture: United States

payments ouboaen:

  • credit card: Mastercard
  • wallet: Google-pay
  • other

returns ouboaen:

  • policy: No Returns

general ouboaen:

  • Boat Parts > Outboard Engines Components > Cowlings Housings
  • condition: Used

seller ouboaen:

  • city: Altadena, California
  • rating: 99.6%
  • # reviews: 6011

shipping ouboaen:

  • cost: $16.00
  • service: USPS Ground Advantage
  • type: Calculated
  • carrier: USPS
  • transit: 3-9 Days
  • class: Standard

offer ouboaen:

  • quantity: 1
  • options: Ship-to-home
  • started: June 24, 2025
  • availability: In Stock
  • sold: 0
for makes: mercury, for years: 1949-51, part type: cover motor engine, country/region of manufacture: united states,
category: boat parts > outboard engines components > cowlings housings, sku: 16822690035334792,
Mercury 23157 Is Similar To:
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5 offers $39.95–$64.96 USD
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