fits model: Yz250, Yz, 250. make: Yamaha. year: 1980–1981.

( Manufacturer Part Number: 4V3-17411-00-00 ), ( Compatible Year: 1981, 1980, 1982 )
The Yamaha YZ250 Transmission Gear Shaft Fork Drum, model number 4V3-17411-00-00, is a vital component for the 1981 YZ250 YZ250 motorcycle. This part is designed to provide smooth gear shifts and efficient power transmission from the engine to the rear wheel.
The Transmission Gear Shaft is a solid, yet lightweight, steel component that connects the transmission to the primary drive chain. It is precision-machined for a perfect fit and features splined ends to securely attach to the transmission and the primary drive sprocket. The shaft is designed to withstand the high torque and power output of the YZ250 engine, ensuring reliable performance on the track or trail.
The Fork Drum is another critical part of this kit. It is installed on the front suspension fork legs and houses the front brake caliper. The 80mm diameter drum is made of high-quality steel, with a smooth surface that ensures even brake pad wear. The drum is also drilled with ventilation holes to prevent heat buildup, maintaining optimal brake performance.
The Kit also includes the Transmission Gear and the Drive Sprocket. The Transmission Gear is a critical component of the transmission system. It engages with the drive sprocket and transfers power to the rear wheel. The Drive Sprocket is attached to the Transmission Gear Shaft and is responsible for driving the rear wheel. Both parts are precision-machined to guarantee smooth operation and long-lasting performance.
In summary, the Yamaha YZ250 Transmission Gear Shaft Fork Drum Kit, 4V3-17411-00-00, is a comprehensive solution for maintaining the performance and safety of your 1981 YZ250 YZ250. Whether you're a professional racer or a weekend warrior, this kit ensures your bike is always ready for the track or trail.
The Yamaha YZ250 (1981 81 yz250) is a classic motocross bike known for its power and agility. Here are some pros and cons of buying this specific part for your YZ250:
Pros:1. Authenticity: This is an original OEM (Original Equipment Manufacturer) part, which means it's designed and manufactured by Yamaha. This ensures compatibility, quality, and longevity.
2. Functionality: The components listed, such as the transmission gear, shaft, fork, and drum brake, are essential for the bike's operation. Replacing worn-out or damaged parts with new OEM parts can improve performance and safety.
3. Availability: As a popular and classic model, replacement parts for the YZ250 are generally widely available, making it easier to find the specific parts you need.
Cons:1. Cost: OEM parts can be more expensive than aftermarket alternatives. This is due to the higher production costs and the brand's reputation for quality.
2. Availability and lead time: While parts are generally available, there may be instances where they are out of stock or have a longer lead time for delivery.
3. Limited customization: Since this is an OEM part, there may be limited opportunities for customization compared to aftermarket parts.
Conclusion:Buying original OEM parts like the Yamaha YZ250 (1981 81 yz250) transmission gear, shaft, fork, and drum brake can be a wise investment if you value originality, quality, and compatibility. While these parts can be more expensive, they offer reliability and performance that can enhance your riding experience. However, if you're looking for more cost-effective options or customization possibilities, aftermarket parts might be a better fit for your needs. Ultimately, the choice depends on your priorities, budget, and the condition of your YZ250.
1980 81 YZ250 transmission, may fit others years around then and IT model's. Sold as shown. Includes kick start idle gear, gears cogs normal wear on edges nothing rounded off badly, shift forks straight and no pitting shafts. No missing teeth, needs cleaning throughout.
Shift drum bearing feels fine no damage I can see on or forks. Splines and threads good throughout. Everything moves freely. 2 gears on impute shaft have pitting.