BELT DRIVES MN-JKN9 Drive Kit Fx Od MN/JKN9 8MM
fits make: Harley, Davidson. year: 1971–1978.
( Brand: Belt Drives ), ( Manufacturer Part Number: MN/JKN9 ), ( Type: 8mm 2in. Belt Drive Kit ), ( Compatible Year: 1978 1977 1976 1975 1974 1973 1972 1971 ), ( Compatible Make: Harley Davidson ), ( Compatible Model: Fx Super Glide ), ( Bundle Description: 1 Pc Genuine Belt Drives 8mm 2in. Belt Drive Kit ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement )
Review BELT DRIVES Mn/jkn9 8mm Inch Drive Kit Harley Davidson Fx Super Od fits 1971–1978
Introducing the MN/JKN9 8mm Belt Drive Kit, specifically designed for Harley-Davidson FX models produced between 1971 and 1978. This belt drive system is an excellent upgrade for your motorcycle, providing enhanced performance and reliability compared to the stock drive.
The MN/JKN9 kit comes with all the necessary components for a seamless installation. These include an 8mm wide drive pulley, a driven pulley, a drive belt, two belt tensioners, and the required hardware for mounting. The 8mm wide belt is a significant improvement over the standard 7mm belt, offering increased power transmission efficiency and longevity.
The drive pulley in this kit is manufactured using high-quality materials, ensuring durability and resistance to wear and tear. Its precision machining guarantees a perfect fit on your Harley-Davidson FX engine, while its smooth surface minimizes friction and noise. The driven pulley is also meticulously crafted to provide a perfect balance between strength and lightweight design.
The belt tensioners in the MN/JKN9 kit are designed to maintain the optimal belt tension, ensuring a quiet and efficient power transmission. These tensioners are adjustable, allowing for fine-tuning to achieve the best possible belt tension for your specific engine configuration.
Installation of the MN/JKN9 8mm Belt Drive Kit is a straightforward process. The kit includes detailed instructions and all the required hardware, making it an excellent choice for both DIY enthusiasts and professional mechanics. The new belt drive system is compatible with stock primary covers and does not require any modifications to the engine cases.
Upgrading your Harley-Davidson FX with the MN/JKN9 8mm Belt Drive Kit offers numerous benefits, including increased power transmission efficiency, reduced noise levels, and improved durability. This kit is an investment in the longevity and performance of your motorcycle, making it an essential addition to your garage.
In summary, the MN/JKN9 8mm Belt Drive Kit is a high-quality upgrade for your 1971-1978 Harley-Davidson FX motorcycle. Its precision-machined components, improved power transmission efficiency, and adjustable belt tensioners make it an excellent choice for riders seeking enhanced performance and reliability from their vintage Harley-Davidson.
Pros and Cons of Buying a Belt Drive Kit (MN/JKN9 8mm Drive Kit for 1971-1978 Harley-Davidson FX/OH)
1. Improved Performance and Aesthetics:- Pro: Eliminates the weight and complexity of the Harley-Davidson's traditional chain drive system.
- Pro: Enhances the overall look of the motorcycle with the modern belt drive setup.
- Pro: Reduces the maintenance requirements compared to the chain drive.
2. Smoother Operation:- Pro: Belt drives provide a quieter operation compared to the traditional chain drive.
- Pro: Result in less vibration and smoother power delivery.
3. Compatibility and Installation:- Con: The MN/JKN9 8mm Drive Kit may require some modifications to the stock Harley-Davidson FX/OH frame and swingarm for a perfect fit.
- Con: The kit is not a direct drop-in solution. Some fabrication work or professional installation may be necessary.
4. Cost and Value:- Pro: Long-term cost savings due to reduced maintenance requirements.
- Con: The initial investment for the belt drive kit can be quite high.
5. Reliability and Durability:- Pro: Belts are generally more reliable than chains, as they don't require regular lubrication or adjustments.
- Con: Belts can wear out faster than chains under heavy usage or extreme conditions, which may require frequent replacements.
Conclusion:The MN/JKN9 8mm Drive Kit for 1971-1978 Harley-Davidson FX/OH motorcycles offers several advantages, including improved performance, smoother operation, and reduced maintenance requirements. However, it comes with some challenges like compatibility issues, initial investment, and potential reliability concerns.
Recommendation:If you're looking to upgrade the drivetrain on your Harley-Davidson FX/OH, a belt drive kit like the MN/JKN9 8mm Drive Kit can be an excellent choice for its performance and aesthetic benefits. However, it's essential to consider the potential installation challenges, costs, and the reliability of the belt when making your decision. A professional mechanic's advice or assistance during the installation process is highly recommended.
Details:
Belt Drive Kit for 1971-1978 Harley Davidson FX Super od: Status: In Stock. Belt Drive Stock Clutch This Drives 8mm 2in.
part #: mnjkn9 price
- $697.69
specifications drivebeltcycleoi:
- for makes: Harley, Davidson
- for years: 1971-1978
- brand: Belt Drives
- mpn: Mn/jkn9
- type: 8mm 2in. Belt Drive Kit
- compatible year: 1978 1977 1976 1975 1974 1973 1972 1971
- compatible make: Harley Davidson
- compatible model: Fx Super Glide
- bundle description: 1 Pc Genuine Belt Drives 8mm 2in. Belt Drive Kit
- core charge: Free No Core Charge
- fitment type: Direct Replacement
returns driveBeltcycleoi:
- paid by: Seller
- time: 30 Days
- policy: Returns Accepted
offer driveBeltcycleoi:
- quantity: 1
- started: October 26, 2025
- sold: 0
- availability: In Stock
- options: Ship-to-home
payments driveBeltcycleoi:
- credit card: Diners-club
- wallet: Paypal
- other
general driveBeltcycleoi:
- condition: New
- Transmission Drivetrain > Final Primary Drive Parts Kits > Final Drive Belts Chains
seller driveBeltcycleoi:
- # reviews: 12625
- city: Multiple warehouses
- rating: 97.8%
shipping driveBeltcycleoi:
- type: Fixed
- class: Standard
- cost: $0.00
- service: Standard
- transit: 3-5 Days
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