fits make: Mercury. year: 1970–1989.



( Part Type: Hp Block ), ( Modified Item: No ), ( Country/region Of Manufacture: United States ), ( Manufacturer Part Number: 42963A4 )
The Mercury 42963A4 Outboard Motor, produced in 1989, is a powerful and reliable marine engine that delivers an impressive 70 horsepower. This reed block engine is a testament to Mercury's commitment to quality and performance.
The Mercury 42963A4 features a two-stroke, direct-fuel-injection (DFI) engine design, which ensures optimal fuel efficiency and minimal emissions. The DFI system delivers fuel directly into the cylinder, allowing for a more complete combustion and reduced exhaust emissions.
The engine is equipped with a 2.8-liter (171 cubic inch) displacement engine block, made of durable aluminum alloy. This lightweight yet strong material helps reduce the overall weight of the engine, making it easier to handle and maneuver on the water.
The Mercury 42963A4 features a multi-port, single-carburetor fuel system, which provides a consistent fuel-air mixture for optimal engine performance. The engine also comes with a mechanical advance ignition system, which ensures reliable ignition and smooth engine operation.
The engine is equipped with a gearcase with a 1.85:1 gear ratio, which provides excellent thrust and maneuverability. The gearcase is made of corrosion-resistant materials, ensuring long-term durability and reliability.
The Mercury 42963A4 is also equipped with a power trim and tilt (PTT) system, which allows for easy adjustment of the engine angle for optimal performance and maneuverability. The engine also comes with a water-cooled system, which ensures that the engine stays cool and performs at its best, even in hot weather conditions.
In conclusion, the Mercury 42963A4 is a powerful and reliable marine engine that is perfect for boaters who demand the best in performance and durability. Whether you're fishing, cruising, or waterskiing, this engine will provide the power and reliability you need to enjoy your time on the water.
Pros of buying a Mercury 42963A4 1989 70 HP Reed Block:1. Reliability: Mercury is a well-known brand with a reputation for producing durable and reliable outboard motors. The 42963A4 model is no exception, and it has been used by boaters for many years with few reported issues.
2. Cost-effective: Compared to newer models, the 1989 Mercury 70 HP Reed Block is often more affordable, making it a good option for budget-conscious boaters.
3. Easy to repair: The reed block design of this outboard motor makes it easy to repair, as parts are readily available and relatively inexpensive.
Cons of buying a Mercury 42963A4 1989 70 HP Reed Block:1. Lower power output: The 70 HP reed block outboard motor may not provide enough power for larger or heavier boats, or for boaters who need more speed or acceleration.
2. Fuel efficiency: Older outboard motors, such as the 1989 Mercury 70 HP Reed Block, often have lower fuel efficiency than newer models. This can result in higher fuel costs over time.
3. Limited features: Compared to newer models, the 1989 Mercury 70 HP Reed Block may lack some of the advanced features that are now standard in modern outboard motors, such as electronic fuel injection, digital displays, and built-in GPS.
Conclusion:The Mercury 42963A4 1989 70 HP Reed Block is a reliable and cost-effective option for budget-conscious boaters who don't require high power output or advanced features. However, it may not be suitable for larger or heavier boats, or for boaters who want the latest technology. If you're looking for a powerful and efficient outboard motor with advanced features, you may want to consider a newer model.
Recommendation:If you're in the market for an affordable and reliable outboard motor and don't need high power output or advanced features, the Mercury 42963A4 1989 70 HP Reed Block could be a good fit for you. However, it's important to do your research and compare prices and specifications with other models to ensure that it meets your needs and budget.
Large items ship via FedEx or UPS Ground. Items less then 1 lbs ship USPS first class. Parting out a 1989 Mercury 70 HP Outboard. Up for sale is the Reed Block Assembly 42963A4.