fits model: Rz350. make: Yamaha. year: 1984–1985.

( Manufacturer Part Number: 29L-85820-M2-00 ), ( Part Type: Motor )
The Yamaha RZ350 YPVS Motor, model number 29L-85820-M2-00, is a powerful and iconic two-stroke engine that was originally used in the Yamaha RZ350 motorcycle, produced between 1984 and 1985. This motor is a testament to Yamaha's engineering prowess during that era, delivering an exceptional balance of power, reliability, and handling.
The Yamaha RZ350 YPVS Motor is a 349cc, two-stroke, liquid-cooled, single-cylinder engine. It features Yamaha's innovative YPVS (Yamaha Power Valve System), which uses a butterfly valve to control the exhaust valve timing, providing a more efficient combustion process and smoother power delivery. This system, along with the engine's 12:1 compression ratio, helps the motor produce a strong and lively powerband, delivering a peak horsepower of around 55 at 11,500 RPM.
The motor is equipped with a Mikuni VM30 carburetor, which ensures precise fuel-air mixture for optimal engine performance. It also features a 5-speed constant mesh gearbox, providing smooth and seamless gear shifts. The engine is mated to a lightweight and agile chassis, making the RZ350 a favorite among enthusiasts for its responsive handling and exhilarating ride.
The Yamaha RZ350 YPVS Motor is not just about performance, but also about reliability. It features high-quality components, such as forged pistons and conrods, and a high-capacity radiator for efficient cooling. The engine is also known for its ease of maintenance, with easily accessible components and straightforward service procedures.
In summary, the Yamaha RZ350 YPVS Motor, model number 29L-85820-M2-00, is a high-performance, reliable, and easy-to-maintain two-stroke engine that offers a unique and exhilarating riding experience. Whether you're a collector, a restoration enthusiast, or a track day rider, this motor is a must-have for any Yamaha or two-stroke motorcycle fan.
Pros of buying a Yamaha RZ350 YPVS (Model 29L-85820-M2-00) from 1985 or 1984:1. Power and Performance: The RZ350 YPVS is known for its powerful and responsive engine, which can deliver a thrilling riding experience.
2. Rare and Collectible: As a classic motorcycle, the RZ350 YPVS is a sought-after collectible, and its value may increase over time.
3. Handling: The bike is known for its agile handling and lightweight frame, making it a joy to ride on winding roads.
4. History and Legacy: The RZ350 YPVS is a part of Yamaha's rich racing heritage, and owning one can be a way to connect with that history.
Cons of buying a Yamaha RZ350 YPVS (Model 29L-85820-M2-00) from 1985 or 1984:1. Age and Maintenance: As a classic motorcycle, the RZ350 YPVS may require more maintenance and repairs than a newer bike.
2. Parts Availability: Some parts for the RZ350 YPVS may be difficult to find or expensive to replace.
3. Safety Concerns: Older motorcycles may not have the same safety features as newer models, such as ABS or airbags.
4. Resale Value: While the RZ350 YPVS may be a collectible and potentially increase in value, it may also be difficult to sell if the market for classic motorcycles is not strong.
In conclusion, buying the Yamaha RZ350 YPVS (Model 29L-85820-M2-00) from 1985 or 1984 can be a rewarding experience for those who enjoy classic motorcycles and the thrill of riding a powerful and agile bike. However, potential buyers should be aware of the maintenance and repair costs, as well as the difficulty of finding certain parts. Ultimately, the decision to buy a classic motorcycle like the RZ350 YPVS should be based on personal preference and the willingness to invest in the upkeep of the bike.
Recommendation: If you are interested in buying the Yamaha RZ350 YPVS (Model 29L-85820-M2-00) from 1985 or 1984, I would recommend doing thorough research on the bike's history, condition, and maintenance costs. It may also be helpful to join online forums or communities of classic motorcycle enthusiasts to get advice and tips on ownership. Additionally, it may be beneficial to have the bike inspected by a professional mechanic before making a purchase to ensure that it is in good working order.
Clean motor, works great. Came off of a running machine.