1. Boat Outboard Engines To Buy
  2. sku: 12343667323384622
  3. MERCURY 1643-9539

MERCURY 1643-9539 Outboard Lower Unit 40HP

fits model: Classic. make: Mercury. year: 1989–2020.

1643-9539 Mercury 1989 Classic 40hp Outboard 20 Inch Lower Unit

( Manufacturer Part Number: 1643-9539 ), ( Part Type: Unit )

Review MERCURY 40hp Outboard Inch Lower Unit fits CLASSIC 1989–2020

The Mercury 1643-9539 1989 Classic 40hp Outboard is a timeless piece of marine engineering. This outboard motor, hailing from Mercury Marine's rich heritage, is a testament to their commitment to power, reliability, and performance.

The 1643-9539 model, specifically, is a 40hp outboard engine that was manufactured in 1989. It features a classic design that is both aesthetically pleasing and functional. The engine is equipped with a 20-inch lower unit, which provides excellent maneuverability and control while on the water.

The Mercury 1643-9539 40hp Outboard is powered by a reliable two-stroke engine. It delivers a robust 40 horsepower, ensuring swift and smooth operation even in challenging water conditions. The engine is known for its fuel efficiency, making it a cost-effective choice for boat owners.

The lower unit of this outboard motor is designed with durability in mind. It features a heavy-duty gear case and a robust propeller shaft, ensuring that the motor can withstand the rigors of regular use. The 20-inch pitch of the lower unit provides excellent thrust, ensuring quick acceleration and smooth cruising.

The Mercury 1643-9539 1989 Classic 40hp Outboard is also easy to maintain. It comes with a simple, intuitive control panel, making it easy for boat owners to monitor engine performance and adjust settings as needed. The engine is also equipped with easy-to-reach service points, making regular maintenance a breeze.

In conclusion, the Mercury 1643-9539 1989 Classic 40hp Outboard is a reliable, powerful, and easy-to-maintain outboard engine. Its classic design, robust build, and fuel-efficient performance make it a popular choice among boat owners who value dependability and performance.

Pros of buying a Mercury 1643-9539 1989 Classic 40hp outboard with a 20-inch lower unit:

1. Affordability: Compared to newer models, this outboard engine is relatively inexpensive, making it an attractive option for budget-conscious buyers.

2. Power: With a 40hp engine, you can expect decent power for most recreational activities, such as fishing, water skiing, or cruising.

3. Reliability: Mercury engines are known for their durability and longevity. If well-maintained, this engine should provide years of reliable service.

4. Availability of parts: As a classic model, replacement parts should be readily available, making repairs or maintenance less of a hassle.

Cons of buying a Mercury 1643-9539 1989 Classic 40hp outboard with a 20-inch lower unit:

1. Age and technology: This engine is older, which means it may not have the latest technology and fuel efficiency. It may not meet current emission standards, either.

2. Performance: While the 40hp engine is powerful, it may not be as efficient or responsive as newer models.

3. Maintenance: Older engines often require more frequent maintenance, which can be time-consuming and costly.

4. Fuel consumption: Older engines are generally less fuel-efficient than newer models, which can lead to higher fuel costs over time.

Recommendation:

If you're looking for an affordable and reliable outboard engine for recreational use, the Mercury 1643-9539 1989 Classic 40hp outboard with a 20-inch lower unit could be a good choice. However, be prepared for the potential issues associated with an older engine, such as higher maintenance costs and less efficient performance. Consider your specific needs and budget before making a decision. If you're unsure, it might be worth speaking with a marine mechanic or expert to get their advice.

Details:

Removed from 1989 Mercury Classic 40 hp 2 stroke 4 cylinder. Everything feels tight, but may need some rebuilding.

part #: 16439539 prices

  • $250.00-$479.00

specifications ouboaen:

  • for models: Classic
  • for makes: Mercury
  • for years: 1989-2020
  • mpn: 1643-9539
  • part type: Unit

seller ouboaen:

  • city: North Port, Florida
  • # reviews: 2201
  • rating: 99.7%

returns ouboaen:

  • policy: No Returns

general ouboaen:

  • condition: Used
  • Boat Parts > Outboard Engines Components > Other

payments ouboaen:

  • credit card: Discover
  • wallet: Paypal
  • other

offer ouboaen:

  • quantity: 1
  • availability: In Stock
  • sold: 0
  • started: December 6, 2024
  • options: Ship-to-home
  • best offers: True

shipping ouboaen:

  • class: Standard
  • carrier: USPS
  • transit: 6-12 Days
  • type: Calculated
  • cost: $0.00
  • service: USPS Ground Advantage
for models: classic, for makes: mercury, for years: 1989-2020, part type: unit,
category: boat parts > outboard engines components, sku: 12343667323384622,
Mercury 1643-9539 Is Similar To:
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5 offers $250.00–$479.00 USD
  • Used. Offer #1 priced at $479.00 + $0.00 shipping estimate = $479.00* total. The gearcase is marked 1648-9539. As picturedfreshwater from a 1990 40hp 0G182723.FREE SHIPPING
  • For parts or not working. Offer #2 priced at $279.95 + $0.00 shipping estimate = $279.95* total. FREE SHIPPING
  • Used. Offer #3 priced at $250.00 + $50.51 shipping estimate = $300.51* total. Shifts good, slight milk.+$50.51 shipping
  • Used. Offer #4 priced at $238.77 + $141.80 shipping estimate = $380.57* total. See part number A7 removed from motor SN 00220323 Tested working - Shifts and spins properly, fluid was somewhat Milky, but no metal shavings at all Clean unit, not corroded, skeg intact See pictures , part number and description for fitment info Tested working 20 lower unit removed from Mariner 40 ELPTO 4 cylinder 2 stroke.+$141.80 shipping
  • Used. Offer #5 priced at $599.95 + $0.00 shipping estimate = $599.95* total. Minor chip wear on lead edge of skeg (see photos). 7406A42 (Will Fit Others).FREE SHIPPING

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