MERCURY 9539A5 Unit Gear 35 40 50

( Manufacturer Part Number: 9539A5 ), ( Part Type: Hp Unit Gear Case ), ( Engine Hp : 40 Hp ), ( Stroke: 2-stroke )

Review MERCURY 35 40 50 Hp Unit Gear Case Cyl fits MARINER 1970–2020

The 1988-1997 Mercury Mariner 35, 40, 50, and 70 HP Outboard Engine with the model number 20 9539A5 is a classic and reliable marine propulsion system. This outboard engine is known for its durability and performance, making it a popular choice among boat owners for various water activities.

The 1988-1997 Mercury Mariner engine comes in four power options: 35, 40, 50, and 70 HP. Each engine is equipped with a two-stroke, direct-injection, long-stroke design that delivers excellent power and torque. The 20 9539A5 model features a gearcase with a 1.80:1 ratio, which provides optimal speed and maneuverability.

The Mariner engine is equipped with Mercury's Advanced Combustion System (ACS), which ensures efficient fuel burning and reduced emissions. This system includes features like Lean-Mix Technology, which optimizes air-fuel mixture for maximum power and fuel efficiency.

The engine's exterior is finished in a durable, high-quality paint job that is resistant to fading and corrosion. The Mariner 35, 40, 50, and 70 HP engines also feature Mercury's Easy Start System, which includes a lightweight flywheel and a high-energy ignition system for quick and easy starts, even in adverse conditions.

The 20 9539A5 model is also equipped with a multi-position tilt steering system, which allows the engine to be easily adjusted for optimal performance and comfort. This system also makes it easier to access the engine for routine maintenance and repairs.

In terms of reliability, the Mariner 35, 40, 50, and 70 HP engines are backed by Mercury's industry-leading warranty, which covers parts and labor for up to three years. This warranty provides peace of mind for boat owners, knowing that their engine is covered in case of any defects or issues.

Overall, the 1988-1997 Mercury Mariner 35, 40, 50, and 70 HP Outboard Engine with the model number 20 9539A5 is a reliable, powerful, and efficient marine propulsion system. Its features and benefits make it a great choice for boat owners looking for a high-performance engine that can withstand the rigors of the marine environment.

1. Affordability: These older models are typically less expensive than newer models, making them a great option for budget-conscious buyers.

2. Reliability: Many parts are still readily available, which can help reduce repair costs.

3. Simple design: The simpler design of older boats can make them easier to maintain and operate.

4. Fishing and recreational use: The Mariner models are known for their durability and performance in fishing and recreational activities.

1. Aging technology: Older models may have outdated technology, such as less efficient engines, which can result in higher fuel consumption.

2. Limited safety features: Older boats may not have as many safety features as newer models.

3. Lower resale value: Older boats generally have a lower resale value than newer models.

4. Potential mechanical issues: Older boats may require more frequent repairs due to aging components.

A 1988-1997 Mercury Mariner with a 35, 40, 50, or 70 HP unit and gear 20 9539a5 is a decent option for budget-conscious buyers who value affordability and simplicity. However, potential buyers should be aware of the aging technology, limited safety features, lower resale value, and potential mechanical issues associated with older boats. Prospective buyers should thoroughly inspect the boat to ensure it is in good condition and seek professional advice before making a purchase.

Consider purchasing a used Mariner model with a more modern engine and safety features, if possible, to balance affordability with reliability and safety. Alternatively, consider investing in a newer model with more advanced technology and safety features for a slightly higher cost. Ultimately, the best option depends on the buyer's budget, desired level of comfort and safety, and intended use for the boat.

Details:

Use the following boats. Mercury Mariner hp lower unit gear case 4 cyl 9539A5off of a 1996 40 cylinder 2 stroke. Its a long shaft. The shaft with tip is about to gear housing.

No water or metal shavings in oil when drained. Vacuum tested good. Impeller change recommended on all used lower units before installation. Net, should fit:35 hp 2 cylinder 70 cylinder part s: 9539A5, preceded by 7406a35.

Net parts detail Mercury marine m-9539a shifts and turns as it should. Pressure tested good at 10 psi. Make sure and fill before use.

This should fit various Mercury and Mariner hp from 1980 through 1997 according to boats. Net parts detail merc m-7406a35. The drive shaft has 11 spline prop 13.

part #: 9539a5 prices

• $349.99-$499.00

specifications ouboaen:

• for models: Mariner
• for makes: Mercury
• for years: 1970-2020
• mpn: 9539a5
• part type: Hp Unit Gear Case
• engine hp : 40 Hp
• stroke: 2-stroke

General ouboaen:

• boating parts > outboard enginescomponents
• condition: Used
• in stock: Yes

Returns ouboaen:

• policy: no returns

Seller ouboaen:

• zipcode: 63010
• city: Arnold, Missouri

Payments ouboaen:

• PayPal

Shipping ouboaen:

• cost: $39.95
• handling: 2 days
• type: Flat

Offer ouboaen:

• Sold: 0
• best offer: false
• quantity: 1
• bids: 0
• Started: June 4, 2017, 2:37 pm

Ratings:

1. A Great seller to do business with. 05-30-17
2. on time 05-19-17
3. This seller communicated well. I paid in full. I will certain stay in touch. 05-25-17
4. Good part, Good seller!!! could use better packaging, tore out of box. 05-18-17
5. fast shipping thanks very nice 05-24-17

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