FACTORY SPEC FS-420-100A Drive Chain 420X100 GSX-R50

( Brand: Factory Spec ), ( Manufacturer Part Number: FS-420-100A ), ( Part Type: Drive Chain )

Review FACTORY SPEC 420x100 Drive Chain Suzuki And Yamaha fits YSR50 1987–1992

Introducing the fs-420-100a, a high-quality drive chain specifically designed for the Suzuki GSX-R50 (1987) and Yamaha YSR50 (1987-1992). This drive chain is engineered to deliver exceptional performance, durability, and reliability for your two-wheel machine.

Crafted from premium materials, the fs-420-100a boasts a roller chain with O-ring seals that effectively prevent oil leakage and maintain lubrication. The rollers are made from heat-treated steel, ensuring superior strength and resistance to wear. The pins and bushings are made from hardened steel, offering excellent load-bearing capacity and longevity.

The fs-420-100a drive chain is meticulously measured and manufactured to ensure a perfect fit for your Suzuki GSX-R50 and Yamaha YSR50 motorcycles from the specified model years. The precise fitment guarantees optimal chain tension and smooth power transmission, resulting in a more enjoyable and efficient riding experience.

The O-ring seals on this drive chain provide an additional layer of protection against dirt, dust, and moisture, enhancing the overall durability and longevity of the component. With proper maintenance, the fs-420-100a drive chain can last significantly longer than standard O-ring chains, saving you time and money in the long run.

For peace of mind, the fs-420-100a drive chain comes with a 1-year manufacturer's warranty, covering any defects in materials or workmanship. This warranty underscores the confidence we have in the quality and reliability of our product, ensuring that you, the customer, are fully satisfied with your purchase.

In summary, the fs-420-100a drive chain is an essential upgrade for your Suzuki GSX-R50 (1987) or Yamaha YSR50 (1987-1992) motorcycle. Its premium materials, precise fitment, and exceptional durability make it an outstanding investment for any enthusiast seeking superior performance and reliability from their ride.

Pros and Cons of Buying a FS-420-100A Drive Chain for Suzuki GSX-R50 and Yamaha YSR50 (1987-1992)

The FS-420-100A drive chain is a popular upgrade option for the Suzuki GSX-R50 and Yamaha YSR50 motorcycles manufactured between 1987 and 1992. This drive chain is known for its durability and performance improvements compared to the OEM (Original Equipment Manufacturer) drive chains. In this article, we will discuss the pros and cons of buying an FS-420-100A drive chain for these motorcycles to help you make an informed decision.

1. Increased Durability: The FS-420-100A drive chain is made of high-quality materials, making it more resistant to wear and tear compared to the OEM drive chain. This results in longer lifespan and less frequent replacements.

2. Improved Performance: This drive chain offers smoother power transmission, resulting in better acceleration and overall performance.

3. Reduced Noise: The FS-420-100A drive chain is known for its quiet operation, making your riding experience more enjoyable.

4. Enhanced Aesthetics: The silver finish of the FS-420-100A drive chain adds a touch of elegance to your motorcycle.

1. Cost: The FS-420-100A drive chain is more expensive than the OEM drive chain. However, its durability and performance benefits may justify the additional cost.

2. Installation Complexity: Installing an aftermarket drive chain may require some mechanical knowledge and experience. It is recommended that you consult a professional mechanic to ensure proper installation.

3. Potential Compatibility Issues: While the FS-420-100A drive chain is generally compatible with the Suzuki GSX-R50 and Yamaha YSR50 models, it is essential to double-check the specifications to ensure a perfect fit.

The FS-420-100A drive chain offers several advantages, including increased durability, improved performance, reduced noise, and enhanced aesthetics. However, it also comes with some drawbacks, such as a higher cost, installation complexity, and potential compatibility issues. After careful consideration of these factors, if you prioritize performance and durability and are willing to invest in a high-quality aftermarket part, the FS-420-100A drive chain is an excellent choice for your Suzuki GSX-R50 or Yamaha YSR50 motorcycle (1987-1992).

If you decide to purchase an FS-420-100A drive chain for your Suzuki GSX-R50 or Yamaha YSR50 motorcycle, ensure that you buy it from a reputable supplier to guarantee its authenticity and quality. Also, consult a professional mechanic for installation to ensure a seamless and accurate process.

Details:

Manufactured by Factory Spec. This chain is the appropriate length for stock gearing, swing arms, etc. Tensile strength of 4188 lbs. Compatible with Yamaha model's below: 1987 YSR50.

Made in China. Included is: 1 420x100 standard duty, non o-ring chain. Compatible with Suzuki model's below: 1987 GSX-R50.

part #: fs420100a prices

• $9.99-$15.95

specifications drivebeltcycleoi:

• for models: Ysr50
• for makes: Suzuki, Yamaha
• for years: 1987-1992
• brand: Factory Spec
• mpn: Fs-420-100a
• part type: Drive Chain

payments drivebeltcycleoi:

• wallet: Paypal
• other
• credit card: Discover

returns drivebeltcycleoi:

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

general drivebeltcycleoi:

• Transmission Drivetrain > Final Primary Drive Parts Kits > Final Drive Belts Chains
• condition: New

offer drivebeltcycleoi:

• started: August 19, 2025
• availability: In Stock
• quantity: 4
• options: Ship-to-home
• sold: 0

seller drivebeltcycleoi:

• city: Suamico, Wisconsin
• # reviews: 388143
• rating: 99.3%

shipping drivebeltcycleoi:

• service: Standard
• cost: $0.00
• class: Standard
• type: Fixed
• transit: 3-7 Days

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