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Item #:
35727891
For Harley 89-93 Big Twin 9 Tooth Starter Jackshaft Kit Parts Jack Shaft
Item #:
35727891
ETB 11383
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Order now and get it around Thursday, September 10
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Complete starter motor jackshaft assembly includes everything for installation.
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What Stands Out
Durable Construction
Manufactured from high-quality materials, ensuring long-lasting performance and resistance to wear and tear, making it ideal for heavy-duty applications in Harley Big Twin models.
Easy Installation
Designed for quick and straightforward installation, the kit minimizes downtime, allowing riders to get back on the road with minimal hassle and effort.
Improved Performance
Enhances starting efficiency, providing a reliable and consistent spark for optimal engine performance, helping to resolve common starting issues in older Harley models.
Product Details
| Brand Name | KCINT |
| Model | 89-93 Big Twin 9 Tooth |
| Unit Count | 1 Count |
| Manufacturer | KCINT |
| UPC | 936349005089 |
| Part Number | 50-96057-05 |
| Wattage | 1.4 KW |
| Phase Type | Single Phase |
| Item Weight | 16 ounces (453.6 grams) |
| Material Type | Alloy Steel |
| Brand | KCINT |
| Material | Alloy Steel |
Who Should Buy?
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Harley Owners
Ideal for Harley Davidson owners seeking durable starter jackshaft replacement parts for their Big Twin models.
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DIY Mechanics
Perfect for DIY enthusiasts wanting to upgrade or replace their starter components with reliable parts for easy installation.
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Restoration Projects
Great for those restoring vintage Harley models from 1989 to 1993 needing authentic and reliable jackshaft components.
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Non-Harley Bikes
Not suitable for motorcycle brands other than Harley, limiting its usability for those with different bikes.
Product Description
For Harley 89-93 Big Twin 9 Tooth Starter Jackshaft Kit Parts Jack Shaft
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is included in the Harley 89-93 Big Twin 9 Tooth Starter Jackshaft Kit?
Answer: The Harley 89-93 Big Twin 9 Tooth Starter Jackshaft Kit typically includes the jack shaft, a pinion gear, and necessary mounting hardware to ensure all components fit seamlessly together. This kit is specifically designed for Big Twin models from 1989 to 1993, enhancing the starter system's efficiency. Proper installation of this kit can restore proper engine starting function, making it an essential upgrade for performance enthusiasts and restoration projects. -
Question:
How do I install the 9 Tooth Starter Jackshaft Kit on my Harley?
Answer: Installing the 9 Tooth Starter Jackshaft Kit requires removing the starter from the motorcycle, followed by disassembling the components to replace the jackshaft. It’s advisable to refer to the manufacturer's service manual for detailed instructions specific to your bike model. Proper installation ensures optimal performance and starting reliability, particularly for those restoring vintage Harley models or upgrading to enhance muscle. Always consider consulting with a mechanic if you're unfamiliar with motorcycle repairs. -
Question:
Is the 9 Tooth Jackshaft compatible with other Harley models?
Answer: The 9 Tooth Jackshaft is specifically designed for Harley Big Twin models from 1989 to 1993. While some components may be compatible with other models, it’s essential to verify specific part numbers to ensure a proper fit. Compatibility ensures the effective performance of your starter system, which is crucial for reliable engine starts. If you’re considering using it on a different model, checking with a technician or referencing compatibility guides is recommended. -
Question:
What benefits does the 9 Tooth Starter Jackshaft provide?
Answer: The 9 Tooth Starter Jackshaft improves the starting mechanism's efficiency and reliability in your Harley. It’s designed to engage effectively with the starter motor, reducing wear on components and providing a more powerful start. Owners of older Harley models often choose this upgrade to enhance performance and restore functionality, especially after years of wear and tear. By optimizing the starter system, riders can experience smoother starts, which is critical especially for vintage bike enthusiasts. -
Question:
Can I use this kit for a custom build?
Answer: Yes, the Harley 89-93 Big Twin 9 Tooth Starter Jackshaft Kit can be used in custom builds, especially if you’re working with Harley engines from that era. Custom builders often seek reliable starting mechanisms and this kit fits the bill. Its robust design can support various modifications, enhancing not only performance but also aesthetic value. When planning your custom build, ensure that compatibility with other components, such as the starter motor and electrical system, is assessed for optimal operation. -
Question:
How does the 9 Tooth design affect performance?
Answer: The 9 Tooth design provides a balance between torque and engagement speed, significantly improving the overall performance of the starting system. This design allows for quicker engagement with the starter motor, reducing lag time. Riders often notice faster starts and reduced strain on the battery and starter. This design is particularly beneficial in colder climates where starting performance can be compromised, thus allowing for consistent reliability regardless of conditions. -
Question:
What tools do I need for installation?
Answer: To install the Harley 89-93 Big Twin 9 Tooth Starter Jackshaft Kit, you'll typically need basic tools like a socket set, wrenches, and possibly a torque wrench for precise fitting. Some installations may also require a screw extractor for stuck bolts and a gasket scraper to ensure a clean surface. Having the right tools at hand not only simplifies the installation process but also ensures that all components are installed correctly, minimizing the risk of future issues. -
Question:
Where can I buy the Harley 89-93 Big Twin 9 Tooth Starter Jackshaft Kit?
Answer: You can buy the Harley 89-93 Big Twin 9 Tooth Starter Jackshaft Kit at Ubuy. Ubuy offers a variety of motorcycle parts suitable for your needs, including this specific starter kit. Their platform provides an easy way to find authentic components and ensure that you receive quality parts for your Harley motorcycle. -
Question:
What should I look for when purchasing a starter jackshaft kit?
Answer: When purchasing a starter jackshaft kit, ensure that you check for compatibility with your motorcycle model. Additionally, look for high-quality materials and finishes to ensure longevity and durability under demanding conditions. It's also beneficial to read customer reviews, as they provide insights into the performance and reliability of the kit. Selecting a reputable manufacturer can further assure you of the product’s quality, which is crucial for maintaining the motorcycle's starting system. -
Question:
Can I use this jackshaft kit if my starter needs replacement?
Answer: If your starter requires replacement, it's best to assess whether both the starter and jackshaft are compatible and in good condition. Using a new jackshaft kit may enhance the performance of a new starter, but if the starter itself is worn or defective, it should be replaced to ensure optimal function. For best results, installing both components together can enhance the overall starting system's reliability and efficiency, particularly beneficial for older Harleys experiencing performance issues.
KCINT Drive Shafts Editorial Review
The FOR HARLEY 89-93 BIG TWIN 9 TOOTH STARTER JACKSHAFT KIT PARTS is a replacement kit for Harley Davidson motorcycles. It is designed to fit Big Twin models from 1989 to 1993. The kit includes a 9-tooth starter gear, a jackshaft with a splined shaft, and a jackshaft nut. One of the most important things to note about this kit is that it has limited compatibility. It will not fit all Harley Davidson models, and some customers have reported difficulty determining whether or not it will fit their particular bike. It is important to do research and Consult with a mechanic before purchasing to ensure that it is the right fit. For customers who do have a bike that is compatible with this kit, the feedback has been positive. Many have reported that it is easy to install and has a noticeable improvement in the starting performance of their motorcycle. Overall, the FOR HARLEY 89-93 BIG TWIN 9 TOOTH STARTER JACKSHAFT KIT PARTS is a solid replacement option for those with compatible Harley Davidson models.
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Pros
- Easy to install
- Noticeable improvement in starting performance
Cons
- Limited compatibility
Platform Trust & Buyer Confidence
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Mohammad
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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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ETB 11383
Order now and get it around Thursday, September 10
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Features & Benefits
- Fits 1989-93 Big Twin models.
- Sold as a complete kit for easy installation.
- Includes starter jackshaft with a 9 tooth gear.
- Comes with all necessary components for a thorough installation.
- Saves time and effort with all parts included.
- Designed for reliable performance in Big Twin models.
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