fits model: Yz400, Yz, 400. make: Yamaha. year: 1978.

( Part Type: Transmission )
The YZ400, a 1978 model from Yamaha, is a legendary two-stroke enduro motocross bike that continues to captivate enthusiasts to this day. This particular bike, with the YZ400 moniker, is a testament to Yamaha's commitment to performance and innovation.
The YZ400 boasts a powerful 398cc, two-stroke, reed-valve, air-cooled engine. This engine is renowned for its raw power and responsiveness, delivering a thrilling riding experience. The engine is mated to a five-speed transmission, a feature that sets it apart in its class. The transmission, with its smooth and precise gear shifts, allows riders to make the most of the engine's power, whether they're navigating technical trails or blazing across open fields.
The bike's frame is a masterclass in engineering. A lightweight, twin-spar design provides excellent rigidity, ensuring outstanding handling and stability. The suspension system, comprising of a 38mm KYB fork up front and a KYB monoshock at the rear, offers a plush and controlled ride, absorbing the impacts of rough terrains while maintaining a firm connection to the ground.
The YZ400's braking system is equally impressive. A 250mm disc brake on the front and a 220mm drum brake on the rear provide ample stopping power, instilling confidence in the rider even during high-speed maneuvers.
The bike's ergonomics are thoughtfully designed to provide a comfortable and commanding riding position. The handlebars are wide enough to offer excellent control, while the seat is cushioned enough for long rides without causing fatigue. The bike's styling, with its bold graphics and aggressive stance, is a testament to Yamaha's commitment to aesthetics.
In conclusion, the 1978 YZ400 is more than just a motocross bike. It's a piece of history, a symbol of power and performance, and a testament to Yamaha's unwavering dedication to creating motorcycles that inspire and thrill.
Pros of buying a 1978 Yamaha YZ400:1. Known for its powerful and reliable engine, the YZ400 is a favorite among many off-road enthusiasts.
2. The bike's great transmission is a major selling point, providing smooth shifts and reliable performance.
3. The 1978 model is considered a classic, which may appeal to collectors or those looking for a vintage machine.
4. The YZ400 is generally regarded as a well-built and durable motorcycle, which can be an advantage in terms of long-term reliability.
Cons of buying a 1978 Yamaha YZ400:1. Older bikes like the YZ400 may require more maintenance and repairs than newer models.
2. Parts for older models may be harder to find and more expensive, which can increase the cost of ownership.
3. The bike may not have many of the modern features and safety features that are standard on newer models.
4. The vintage look of the YZ400 may not appeal to everyone, and some may prefer a more modern design.
Conclusion:The 1978 Yamaha YZ400 is a classic off-road motorcycle with a powerful and reliable engine and a great transmission. While it may require more maintenance and repairs than newer models, it is generally considered a well-built and durable bike. If you are a collector, vintage enthusiast, or simply looking for a motorcycle with a unique character, the YZ400 could be a great choice. However, if you are looking for a modern bike with all the latest features and safety equipment, you may want to consider a newer model.
Recommendation:If you are interested in the 1978 Yamaha YZ400, it is recommended that you do your research on the bike's maintenance requirements and potential repair costs. It is also wise to inspect the bike thoroughly and have it checked by a qualified mechanic before making a purchase. Additionally, it may be helpful to speak with other owners of the YZ400 to get a sense of what to expect in terms of ownership and maintenance costs. Overall, the 1978 Yamaha YZ400 can be a great choice for those looking for a classic off-road bike with a powerful engine and reliable transmission.
Will figure this for you during the buying process before you actually make the purchase. Don't watch it just buy it before the next person does.
Not to sound to much like Walmart but if you find somebody that kicks my butt on price send me a message and I ill likely match or beat the other person.
I am parting out this entire bike, so check my other offers if you are looking for other parts. Of this part this transmission assembly is off a 1978 Yamaha YZ400. Both parts of this transmission assembly are in great shape and good working order.
The previous owner of this bike was starting to restore this bike and gave up and I bought it disassembled. None of the gears are damaged.