YAMAHA 63M-45813-10-SB Exciter Shaft Bearing Unit 270

( Manufacturer Part Number: 63M-45813-10-SB ), ( Part Type: Bearing Shaft Unit )

Review YAMAHA Exciter 270 Mid Shaft Bearing Unit Oem fits 1200 1999

Introducing the Yamaha 63M-45813-10-SB Exciter 270 Shaft Bearing Unit, a high-performance and durable component designed to enhance the efficiency and reliability of your outboard motor. This bearing unit is specifically engineered for the Yamaha Exciter 270 series of outboard motors, model years 1999 and later.

The 63M-45813-10-SB Shaft Bearing Unit is constructed using high-quality materials to provide long-lasting performance. The bearing itself is made from premium, heat-treated, chrome-molybdenum steel, ensuring strength and durability. The outer race of the bearing is made from hardened bronze, providing excellent resistance to corrosion and wear.

This bearing unit is designed to minimize friction and provide smooth, quiet operation. The shaft seal is made from a flexible, rubber material that effectively seals the shaft against water and debris, preventing leaks and reducing the risk of damage. The unit also features a grease-filled housing that ensures adequate lubrication, reducing wear and extending the life of the bearing.

The Yamaha 63M-45813-10-SB Exciter 270 Shaft Bearing Unit is easy to install and replace. It comes with all necessary hardware for installation, and the design allows for easy access to the bearing for maintenance. The unit is also compatible with various propeller sizes, providing flexibility and versatility for different boating applications.

In conclusion, the Yamaha 63M-45813-10-SB Exciter 270 Shaft Bearing Unit is a high-performance and durable component that enhances the efficiency and reliability of your outboard motor. Its premium construction and design provide smooth, quiet operation, while its easy installation and maintenance make it a valuable addition to your boating equipment.

Pros and Cons of Buying Yamaha 63M-45813-10-SB 1999 Exciter 270 Shaft Bearing Unit

The Yamaha 63M-45813-10-SB 1999 Exciter 270 Shaft Bearing Unit is a popular choice for boat owners seeking reliable and efficient performance. Here's a balanced analysis of its key advantages and disadvantages to help you make an informed decision.

1. Durability: Yamaha is a reputable brand known for manufacturing high-quality marine products. The Exciter 270 Shaft Bearing Unit is no exception, with its robust design and superior materials ensuring long-lasting performance.

2. Enhanced Efficiency: The unit's advanced design and fine-tuned components contribute to increased efficiency, leading to better fuel economy and reduced operating costs.

3. Reduced Maintenance: The Yamaha 63M-45813-10-SB 1999 Exciter 270 Shaft Bearing Unit features innovative technologies that minimize the need for frequent maintenance, making it a practical choice for busy boaters.

4. Quiet Operation: The unit is engineered to operate quietly, allowing for a more enjoyable boating experience.

5. Wide Application: This shaft bearing unit is suitable for a wide range of applications, making it a versatile choice for various boat models and sizes.

1. Cost: The Yamaha 63M-45813-10-SB 1999 Exciter 270 Shaft Bearing Unit is relatively expensive compared to some other brands and models.

2. Complex Installation: The installation process of this unit can be quite complex and time-consuming, requiring professional assistance or extensive DIY expertise.

3. Limited Compatibility: Although the unit is versatile, it may not be compatible with all boat models or older engine types.

4. Potential for Wear and Tear: Despite its durability, the unit may still be susceptible to wear and tear over time, requiring periodic replacement or maintenance.

The Yamaha 63M-45813-10-SB 1999 Exciter 270 Shaft Bearing Unit offers several advantages, including durability, efficiency, reduced maintenance, quiet operation, and versatility. However, it also comes with some disadvantages, such as a high cost, complex installation, limited compatibility, and potential for wear and tear. Ultimately, the decision to purchase this unit depends on your specific requirements, budget, and boating preferences.

If you prioritize reliability, efficiency, and quiet operation while considering the long-term benefits, the Yamaha 63M-45813-10-SB 1999 Exciter 270 Shaft Bearing Unit is an excellent investment. However, if cost, compatibility, or ease of installation are major concerns, you may want to explore alternative options from other reputable marine engine manufacturers.

Details:

Make sure this part fits your machine before purchasing. Freshwater part. Good condition used mid shaft bearing assembly pulled from a 1999 Yamaha Exciter 270. I do not mark merchandise values below or items as ts.

Bearing rotates smoothly by hand.

part #: 63m4581310 prices

• $38.22-$99.99

specifications perwatercraft:

• for models: 1200
• for makes: Yamaha
• for years: 1999
• mpn: 63m-45813-10-sb
• part type: Bearing Shaft Unit

shipping perwatercraft:

• cost: $20.64
• transit: 3-6 Days
• class: Standard, Economy, Expedited
• carrier: FedEx, UPS, USPS
• service: FedEx Ground / FedEx Home Delivery, UPS Ground Saver, USPS Priority Mail
• type: Calculated

returns perwatercraft:

• paid by: Buyer
• time: 14 Days
• policy: Returns Accepted

offer perwatercraft:

• options: Ship-to-home
• quantity: 1
• sold: 0
• availability: In Stock
• best offers: True
• started: March 21, 2026

seller perwatercraft:

• city: Grandville, Michigan
• # reviews: 1850
• rating: 99.9%

general perwatercraft:

• condition: Used
• Parts Accessories > Personal Watercraft Parts > Other Parts

payments perwatercraft:

• wallet: Google-pay
• credit card: Diners-club
• other

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