MERCURY 8303A15 Cosworth Outboard Motor Powerhead Block 275 Compression

( Manufacturer Part Number: 8303A15 ), ( Part Type: Hp Motor Block Compression ), ( Fitment: Cosworth V6 275 )

Review MERCURY Cosworth Outboard 275 Hp Motor Powerhead Long Block Exc Compression

The 8303A15 Mercury Cosworth Outboard 275 HP Powerhead Block with External Compression is a high-performance marine engine designed for serious boaters and anglers. This powerhead block is the heart of the engine, crafted with precision and durability to deliver reliable power and efficiency on the water.

The Mercury Cosworth 275 HP engine block features a robust design, with a cast-iron construction that ensures strength and longevity. The block is equipped with four-stroke, V6 cylinder configuration, offering smooth operation and reducing fuel consumption. The external compression system allows for easy maintenance and tuning, providing optimal performance in various operating conditions.

The powerhead block boasts a high compression ratio, which enhances combustion efficiency and results in increased horsepower and torque. This, coupled with the high-quality materials used in its construction, ensures that the engine can handle the rigors of marine use while maintaining excellent power output.

The Mercury Cosworth 8303A15 engine block is also designed with ease of installation in mind. It comes with all necessary mounting hardware, making it a straightforward process to integrate into your boat. The powerhead block is compatible with various outboard drive options, providing you with the flexibility to choose the setup that best suits your needs.

In conclusion, the 8303A15 Mercury Cosworth Outboard 275 HP Powerhead Block with External Compression is a powerful, reliable, and durable engine block that delivers exceptional performance on the water. Its robust design, high compression ratio, and ease of installation make it an excellent choice for boaters and anglers seeking a reliable and powerful outboard engine.

1. Powerful engine: With a horsepower of 275, this outboard motor is capable of providing significant power and speed for a variety of watercraft, including high-performance boats and larger vessels.

2. High-quality construction: Mercury is a well-known brand in the marine industry, and their Cosworth line is known for its durability and reliability. The 8303A15 block and compression are designed to withstand the rigors of extended use and harsh marine environments.

3. Advanced technology: The 8303A15 features Mercury's advanced Digital Throttle & Shift (DTS) technology, which provides smooth and precise control of the engine. It also has a high-output alternator for charging batteries and running electronics.

4. Wide range of applications: This high-power outboard motor can be used for a variety of water activities, including fishing, watersports, and cruising.

1. High price: As a high-power outboard motor, the 8303A15 is not cheap. The cost of purchasing and installing this engine can be significant, especially for those on a tight budget.

2. Requires specialized maintenance: High-power outboard motors like the 8303A15 require regular maintenance to ensure they continue to operate at peak performance. This may include regular oil changes, tune-ups, and inspections.

3. May require additional components: Depending on the watercraft being used, additional components, such as a larger propeller or a more powerful battery, may be required to fully utilize the power of the 8303A15.

In conclusion, the 8303A15 Mercury Cosworth outboard 275 HP motor is a powerful and reliable engine that is well-suited for high-performance watercraft. However, its high price and requirement for specialized maintenance and additional components should be considered before making a purchase. If you are looking for a powerful outboard motor for your watercraft and have the budget to accommodate it, the 8303A15 could be a good investment. If you are on a tight budget or prefer a less powerful engine, there may be other options that better fit your needs. Ultimately, it is important to do your research and weigh the pros and cons before making a decision.

Details:

Compression is 115-120psi on all 6 cylinders. Condition: excellent used condition, with great compression. Very nice cosmetic condition.

Location: marine supply on hwy 49 in Gulfport, ms directly across from Lowe's.

Please see the pictures compare to your current powerhead zip code not presto lite.

Mercury 275hp cosworth 3.s h: shipping in the continental us. This is an obsolete powerhead and fits only carburetors cosworth 275hp outboards. This motor had the bosch starter.

4l powerhead only. Was removed from a running outboard honest.

Guaranteed to function properly with warranty. If you are uncertain.

part #: 8303a15 prices

• $239.99-$1595.00

specifications ouboaen:

• for makes: Mercury
• mpn: 8303a15
• part type: Hp Motor Block Compression
• fitment: Cosworth V6 275

Offer ouboaen:

• bids: 0
• quantity: 1
• Started: June 7, 2017, 5:07 am
• best offer: true
• Sold: 0

Seller ouboaen:

• city: Gulfport, Mississippi
• zipcode: 39507

Ratings:

1. not made well from the manufacturer. NOT SHIPPERS FAULT not made how I thought. 06-06-17
2. Thanks fast shipping A 06-06-17
3. Boat is running great now thanks 06-06-17
4. Product works great, great seller, I would buy again 06-06-17
5. Smooth transaction. 06-06-17

Payments ouboaen:

• AmEx
• VisaMC
• PayPal
• Discover

Returns ouboaen:

• time: 30 Days
• details: Warranty against defects in parts or workmanship.
• paid by: Buyer
• type: Money Back
• policy: returns accepted

Shipping ouboaen:

• cost: $189.0
• handling: 1 days
• type: Flat

General ouboaen:

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

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