fits model: Rd350. make: Yamaha. year: 1985.

( Manufacturer Part Number: 31K-11111-00-00 ), ( Part Type: Head Cylinder ), ( Surface Finish: Black Paint ), ( Country/region Of Manufacture: Japan )
The 31K-11111-00-00 Yamaha RD350 YPVS head cylinder is a premium replacement part for your classic 1985 Yamaha RD350. This cylinder head is specifically designed for the YPVS (Yamaha Power Valve System) version of the RD350, ensuring optimal engine performance and reliability.
The cylinder head is made from high-quality materials, including a cast-iron cylinder barrel and aluminum alloy head, providing excellent heat dissipation and durability. The YPVS system, integrated into the cylinder head, allows for variable intake valve timing, improving low-end torque and overall engine performance.
The cylinder head features a 347cc displacement and a 78mm x 58mm bore and stroke, providing ample power and torque for your RD350. The cylinder head is also equipped with four valves per cylinder, which are actuated by twin overhead camshafts, ensuring precise and efficient combustion.
The cylinder head is also compatible with the original Yamaha RD350 YPVS fuel injection system, ensuring smooth and reliable fuel delivery. The cylinder head is also easy to install, with all necessary hardware included.
In summary, the 31K-11111-00-00 Yamaha RD350 YPVS head cylinder is a high-quality replacement part that will help keep your classic RD350 running smoothly and reliably. With its advanced YPVS system, high-quality materials, and compatibility with the original fuel injection system, this cylinder head is an excellent choice for any RD350 owner.
Pros of buying a 1985 Yamaha RD350 YPVS head cylinder:1. Power and Performance: The YPVS (Yamaha Power Valve System) in this model provides better throttle response, improved power delivery, and increased top-end performance.
2. Classic Appeal: The RD350 has a timeless design that is loved by many motorcycle enthusiasts. It's a great choice for those who appreciate classic bikes.
3. Affordability: Compared to newer models, the RD350 is relatively affordable, making it a good option for those on a budget.
4. Reliability: Yamaha is known for its reliability, and the RD350 is no exception. With proper maintenance, it can run for many years.
Cons of buying a 1985 Yamaha RD350 YPVS head cylinder:1. Lack of Modern Features: The bike lacks modern features like ABS, fuel injection, and digital instrumentation. This might be a drawback for some riders.
2. Limited Comfort: The RD350 is not designed for long-distance riding. It has a basic, minimalist design with limited comfort features.
3. Parts Availability: Finding replacement parts for an older model like the RD350 can be challenging. It may require special ordering or searching online.
Conclusion:The 1985 Yamaha RD350 YPVS head cylinder is a great choice for those who appreciate classic motorcycles, value power and performance, and are on a budget. However, it's important to consider the lack of modern features and limited comfort. If you can live with these drawbacks, the RD350 could be a fantastic addition to your collection.
Recommendation:If you're interested in the RD350, I recommend doing thorough research to understand the bike's history, common issues, and maintenance requirements. It's also a good idea to test ride the bike before making a purchase, if possible. Finally, consider the cost of parts and repairs, as well as insurance, to ensure that the bike will fit within your budget.