BRUNSWICK OB4273 Outboard Catalog Mirro Grumman 35

( Brand: Brunswick ), ( Part Type: Hp ), ( Manufacturer Part Number: OB4273 2 )

Review BRUNSWICK Outboard Parts Catalog 35 Hp Model's Mirro Grumman fits FORCE 1989

The Brunswick OB4273 outboard motor is a powerful and reliable engine designed for use with the Mirro Grumman Force 35 HP boat from 1989. This engine is a 4-stroke, single cylinder, air-cooled model that delivers impressive performance and fuel efficiency.

The OB4273 features a displacement of 427.5 cubic centimeters, a bore and stroke of 3.71 inches by 3.13 inches, and a compression ratio of 6.8:1. It comes with a 2-blade propeller and is equipped with a manual tilt and trim system that allows for easy adjustment to optimize performance in various water conditions.

The engine is designed for ease of use and maintenance. It has a simple, intuitive control system with a manual choke and an electric start system. The fuel system includes a carburetor with an automatic choke and a 2.6-gallon fuel tank. The ignition system is a breakerless electronic system that ensures reliable starting and smooth operation.

The OB4273 is built with durable materials and components. The engine block is made of aluminum, which is lightweight and resistant to corrosion. The cylinder head is made of cast iron, which provides superior heat dissipation and durability. The engine comes with a corrosion-resistant sacrificial anode and a water pump with a stainless steel impeller and housing.

The engine also includes a number of features designed to improve performance and durability. It has a multi-port injection system that provides precise fuel delivery for optimal combustion efficiency. It also has a large diameter muffler that reduces engine noise and improves exhaust flow. The engine comes with a 1-year limited warranty for parts and labor.

The Brunswick OB4273 outboard motor is a great choice for boaters who want a powerful, reliable, and efficient engine for their 1989 Mirro Grumman Force 35 HP boat. With its durable design, easy-to-use features, and impressive performance, this engine is sure to provide many years of enjoyable boating experiences.

Pros and Cons of Buying a Brunswick OB4273 Outboard Motor for a 1989 Mirro Grumman Force 35 HP Boat

The Brunswick OB4273 outboard motor is a popular choice for boat owners looking for a reliable and powerful engine. In this article, we will discuss the pros and cons of purchasing this motor for a 1989 Mirro Grumman Force 35 HP boat.

1. Power: The Brunswick OB4273 outboard motor delivers an impressive 35 HP, making it ideal for larger boats like the Mirro Grumman.

2. Fuel Efficiency: Compared to other engines in its class, the Brunswick OB4273 is known for its excellent fuel efficiency.

3. Durability: Brunswick is a reputable brand known for producing high-quality outboard motors that can withstand the rigors of regular use.

4. Versatility: The Brunswick OB4273 can be used in various boating applications, including fishing, water sports, and cruising.

5. Easy to Maintain: The motor's design makes it easy to access and maintain, which can save boat owners time and money in the long run.

1. Cost: The Brunswick OB4273 outboard motor is more expensive than some other options in its class.

2. Weight: At 423 pounds, the Brunswick OB4273 is heavier than some other motors in its class, which may require additional equipment to lift and install.

3. Complexity: The Brunswick OB4273 is a more complex engine than some other options, which may require more specialized knowledge to maintain and repair.

The Brunswick OB4273 outboard motor offers several advantages for boat owners, including power, fuel efficiency, durability, versatility, and easy maintenance. However, it also comes with some drawbacks, including cost, weight, and complexity. Ultimately, the decision to purchase a Brunswick OB4273 outboard motor for a 1989 Mirro Grumman Force 35 HP boat depends on the individual's budget, boating needs, and technical expertise.

If the boat owner has the budget and the technical expertise to handle a more complex engine, the Brunswick OB4273 outboard motor is an excellent choice for a 1989 Mirro Grumman Force 35 HP boat. Its power, fuel efficiency, durability, and versatility make it a worthwhile investment for serious boaters. However, for those on a tighter budget or with limited technical skills, other options in its class may be more suitable.

part # ob4273 price

• $14.75

specifications crafttract:

• for models: Force
• for years: 1989
• brand: Brunswick
• part type: Hp
• manufacturer part number: OB4273 2

general crafttract:

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

offer crafttract:

• options: Ship-to-home
• availability: In Stock
• quantity: 1
• best offers: True
• sold: 0
• started: April 28, 2025

seller crafttract:

• # reviews: 27402
• rating: 99.3%

payments crafttract:

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

returns crafttract:

• policy: No Returns

shipping crafttract:

• cost: $0.00
• transit: 3-7 Days
• carrier: USPS
• class: Standard, Expedited
• type: Fixed
• service: Standard, USPS Priority Mail

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