YAMAHA 8K4-17681-00-00 Jackshaft Jack Shaft

( Manufacturer Part Number: 8K4-17681-00-00 ), ( Type: Jackshaft )

Review YAMAHA Jackshaft Jack Shaft Assembly fits SS440 1980

Yamaha 8K4-17681-00-00 SS440 Jackshaft

The Yamaha SS440 Jackshaft, model number 8K4-17681-00-00, is an essential component for boat owners looking to upgrade their outboard motor's steering system. This jackshaft is designed specifically for Yamaha 440 horsepower outboard engines, providing unparalleled performance and reliability.

This jackshaft is meticulously crafted using high-strength materials, ensuring it can withstand the rigors of continuous use on the water. Its robust construction includes a precision-machined, heat-treated steel housing that provides superior strength and rigidity. The housing is also coated with a corrosion-resistant finish, ensuring the jackshaft remains protected against the harsh marine environment.

The SS440 Jackshaft features a heavy-duty, recirculating ball bearing system, providing smooth and efficient operation, even under heavy loads. The bearings are sealed for longer life and to keep out contaminants, ensuring the jackshaft operates quietly and maintains its performance over time.

This jackshaft is also designed with ease of installation in mind. It includes a universal joint that can accommodate a range of rudder angles, making it a versatile option for various boat designs. The jackshaft also comes with an integrated rudder stop to prevent oversteering and ensures safe and secure operation.

The SS440 Jackshaft is a perfect upgrade for boat owners looking for improved steering performance and reliability. Its robust construction, efficient bearing system, and versatile design make it an indispensable component for any Yamaha 440 horsepower outboard engine. Upgrade your boat's steering system with the Yamaha 8K4-17681-00-00 SS440 Jackshaft and experience the difference it can make on the water.

Pros and Cons of Buying Yamaha 8K4-1980 SS440 Jackshaft

The Yamaha 8K4-1980 SS440 Jackshaft is a popular choice for boat owners due to its durability, efficiency, and versatility. However, like any other product, it comes with its advantages and disadvantages. In this analysis, we will discuss the key pros and cons to help you make an informed decision.

1. Powerful: The SS440 Jackshaft delivers impressive power, making it suitable for larger boats and heavy-duty applications.

2. Durable: Yamaha's reputation for manufacturing high-quality marine products is evident in the SS440 Jackshaft's robust construction and materials.

3. Versatile: This jackshaft can be used with various engine sizes and configurations, providing flexibility for boat owners.

4. Smooth Operation: The SS440 Jackshaft features a smooth operation, reducing vibration and noise, ensuring a more enjoyable boating experience.

5. Reliable: Yamaha's commitment to innovation and reliability ensures that the SS440 Jackshaft is built to last, minimizing the need for frequent repairs or replacements.

1. Expensive: Compared to other jackshafts in the market, the Yamaha SS440 Jackshaft can be a significant investment.

2. Complex Installation: Installing the SS440 Jackshaft may require professional assistance due to its intricate design and specific installation requirements.

3. Limited Availability: Due to its popularity, the Yamaha SS440 Jackshaft may be harder to find in certain regions or through specific dealers.

4. Maintenance: Regular maintenance is essential to keep the jackshaft in good working condition, which can add to the overall cost of ownership.

The Yamaha 8K4-1980 SS440 Jackshaft offers several advantages, including power, durability, versatility, smooth operation, and reliability. However, it comes with some disadvantages, such as a high price tag, complex installation, limited availability, and ongoing maintenance requirements.

If you're looking for a powerful, reliable, and efficient jackshaft for a larger boat or heavy-duty application, the Yamaha 8K4-1980 SS440 Jackshaft is an excellent choice. However, be prepared for the investment in terms of cost and potential installation assistance. If budget is a concern, consider alternative jackshafts that may offer similar features at a lower price point. Ultimately, the decision depends on your specific boating needs and preferences.

Details:

EXCELLENT: This is a new part that still in the package and perfect condition. It has some scratches and wear marks. It is still a usable part. It is straight.

It all depends on the size and weight of items. It includes everything pictured. Domestic Shipping. FAIRLY GOOD: This is a used part that in good working order but has larger amount of cosmetic damage.

It does not have any cracks. We most often are able to combine shipping if multiple items purchased. It has some surface rust. It may have some surface scratches, but no mechanical problems.

The threads are good. Or it is a part with small mechanical problem but still usable. The key way is in good condition. Ratings for Item Condition.

This item is in GOOD condition. The splines are good.

part #: 8k4176810000 prices

• $44.00-$77.39

specifications clutcdrivbel:

• for models: Ss440
• for makes: Yamaha
• for years: 1980
• mpn: 8k4-17681-00-00
• type: Jackshaft

shipping clutcdrivbel:

• carrier: USPS, UPS
• service: USPS Ground Advantage, USPS Priority Mail, UPS Ground
• type: Calculated
• cost: $16.37
• class: Standard, Expedited
• transit: 3-7 Days

seller clutcdrivbel:

• # reviews: 39893
• rating: 99.7%
• city: Hayden, Idaho

offer clutcdrivbel:

• sold: 0
• options: Ship-to-home
• started: February 16, 2026
• availability: In Stock
• quantity: 1

general clutcdrivbel:

• condition: Used
• Parts Accessories > Snowmobile Parts > Clutch Drive Belts

returns clutcdrivbel:

• paid by: Buyer
• policy: Returns Accepted
• time: 30 Days

payments clutcdrivbel:

• wallet: Paypal
• other
• credit card: Visa

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