YAMAHA 5X5-17421-00-00 Transmission Gear Fork Drum 490

( Manufacturer Part Number: 5X5-17421-00-00 ), ( Type: Transmission ), ( Color: Black ), ( Material: Steel ), ( Vintage Part: Yes ), ( Compatible Year: 1986, 1983, 1984, 1985, 1987 ), ( Country Of Origin: Japan )

Review YAMAHA Oem Transmission Gear Shift Fork Drum 490 fits YZ 250 1982–1987

Detailed Product Description for Yamaha YZ 250 Transmission Gear, Fork, Drum (1982-1987) - Part Number: 5X5-17421-00-00

This is an original, authentic Yamaha YZ 250 Transmission Gear, Fork, Drum assembly, specifically designed for models manufactured between 1982 and 1987. The part number for this component is 5X5-17421-00-00.

The transmission gear is a crucial part of the bike's powertrain, responsible for transferring the rotational power from the engine to the transmission, where it is further distributed to the wheels. This particular gear is built to Yamaha's exacting standards, ensuring smooth and efficient power transmission.

The fork is another essential component of the bike's suspension system. It plays a significant role in absorbing shocks and maintaining the bike's stability, particularly during high-speed maneuvers. This fork, designed specifically for the YZ 250, is engineered for durability and responsiveness, providing a comfortable ride and precise handling.

The drum, which is integral to the bike's braking system, is also included in this kit. The drum brake system, while less common in modern bikes, was a standard feature on many models from the 1980s, including the Yamaha YZ 250. This drum is designed to provide reliable, consistent braking performance, helping riders maintain control and safety.

Lastly, the 490 number refers to the sprocket size, which is an important factor in determining the bike's gear ratio. This sprocket, like all components in this kit, is designed to fit perfectly with the rest of the YZ 250's drivetrain, ensuring optimal performance and longevity.

In summary, this Yamaha YZ 250 Transmission Gear, Fork, Drum (1982-1987) - Part Number: 5X5-17421-00-00 kit is an ideal solution for riders seeking genuine, high-quality replacement parts for their classic Yamaha YZ 250 models. Whether you're restoring a vintage bike or maintaining its original condition, this kit offers a reliable, functional, and authentic solution.

The Yamaha YZ 250 (1984-1987) is a classic dirt bike with a distinct historical value. Here are some pros and cons to consider when purchasing one, focusing on the transmission gear, fork, drum, and year (1985, 1983) specific parts you've mentioned.

1. Authenticity: Owning a vintage dirt bike like the Yamaha YZ 250 offers a unique experience and a piece of motorcycling history.

2. Affordability: Compared to newer models, vintage motorcycles, including the YZ 250, are often more affordable, making them an accessible choice for enthusiasts on a budget.

3. Quality: Yamaha has a reputation for producing high-quality motorcycles, and the YZ 250 is no exception. With proper maintenance, these bikes can last for a long time.

4. Parts availability: While some parts may be harder to find, there is a vast community of enthusiasts who can help source parts or even provide them themselves.

1. Wear and tear: Vintage motorcycles, especially those from the 1980s, may have worn-out parts that require replacement, which can be costly.

2. Maintenance: Older motorcycles typically require more maintenance than newer ones. This includes regular inspections, oil changes, and part replacements.

3. Performance: Compared to newer models, the performance of the YZ 250 may not be as refined, especially when it comes to acceleration and handling.

4. Safety: Older motorcycles may not have some of the safety features found on newer models, such as ABS or modern suspension systems.

The Yamaha YZ 250 (1984-1987) can be a rewarding purchase for those who appreciate vintage motorcycles, value authenticity, and enjoy the hands-on experience of maintaining and restoring their bike. However, potential buyers should be aware of the additional maintenance and potential repair costs associated with older motorcycles.

If you are a vintage motorcycle enthusiast and are prepared to invest the time and money in maintaining and restoring the bike, the Yamaha YZ 250 (1984-1987) could be a great choice. However, if you prioritize modern performance, safety features, and low maintenance, you may want to consider a newer model. It's always a good idea to thoroughly inspect any used motorcycle before purchasing to ensure it is in good condition and to negotiate the price based on any needed repairs.

Details:

Only damage to anything is 2nd gear shift fork has rubbed off on the edge shown in pictures. Every thing is in good working condition off a 1984 Yz250 look at pictures. You get every thing shown in pictures.

part #: 5x5174210000 prices

• $95.00-$349.99

specifications transmissioncycleoi:

• for models: Yz, 250
• for makes: Yamaha
• for years: 1982-1987
• mpn: 5x5-17421-00-00
• type: Transmission
• color: Black
• material: Steel
• vintage part: Yes
• compatible year: 1986, 1983, 1984, 1985, 1987
• country of origin: Japan

offer transmissioncycleoi:

• quantity: 1
• best offers: True
• availability: In Stock
• options: Ship-to-home
• sold: 0
• started: November 23, 2025

returns transmissioncycleoi:

• policy: No Returns

shipping transmissioncycleoi:

• carrier: USPS
• service: USPS Ground Advantage
• class: Standard
• transit: 5-10 Days
• type: Fixed
• cost: $12.50

general transmissioncycleoi:

• condition: Used
• Motorcycle Scooter Parts Accessories > Transmission Drivetrain > Other Transmission Drivetrain Parts

seller transmissioncycleoi:

• # reviews: 8047
• city: Iron City, Tennessee
• rating: 100.0%

payments transmissioncycleoi:

• other
• credit card: Discover
• wallet: Apple-pay

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