fits model: Diamond.

( Brand: Map Cycle ), ( Manufacturer Part Number: MAP9198 ), ( Part Type: Valve Exhaust )
The Map9198 Norton Commando High Diamond Exhaust Valve 1.30 Map Cycle is a high-quality replacement part designed specifically for Norton Commando motorcycles. This exhaust valve is a crucial component of your engine's exhaust system, responsible for regulating the flow of exhaust gases out of the cylinder head.
The Map9198 is a high-diameter valve, measuring 1.30 inches in diameter. This larger size allows for improved exhaust gas flow, which can potentially enhance engine performance by reducing backpressure and increasing power output. The valve is designed to operate on a map cycle, meaning it adjusts its opening and closing timing based on engine load and RPM, which can further optimize engine performance.
The Map9198 Norton Commando High Diamond Exhaust Valve 1.30 Map Cycle is made from high-quality materials to ensure durability and reliability. It's designed to withstand the high temperatures and pressures found in a motorcycle exhaust system, while also providing a smooth, quiet operation. The valve is easy to install, with clear installation instructions provided, and it comes with all necessary hardware and gaskets.
In conclusion, the Map9198 Norton Commando High Diamond Exhaust Valve 1.30 Map Cycle is a high-performance replacement part that can help improve the performance of your Norton Commando motorcycle. Its large diameter, map cycle operation, and high-quality materials make it a great choice for any Norton Commando owner looking to upgrade their exhaust system.
Pros of buying Map9198 Norton Commando High Diamond Exhaust Valve 1.30 Map Cycle:1. Improved Engine Performance: The Map9198 exhaust valve is designed to enhance the engine's performance by providing better airflow and fuel mixing, resulting in improved throttle response, power, and torque.
2. Aesthetic Appeal: The high-diameter exhaust system features a sleek and stylish design that can significantly enhance the visual appeal of your Norton Commando.
3. Durability: The Map9198 exhaust valve is made from high-quality materials, ensuring durability and longevity, making it a worthwhile investment for your motorcycle.
4. Compatibility: The Map9198 exhaust valve is specifically designed for Norton Commando models, ensuring a perfect fit and minimizing the risk of installation issues.
Cons of buying Map9198 Norton Commando High Diamond Exhaust Valve 1.30 Map Cycle:1. Cost: The Map9198 exhaust valve can be more expensive than stock exhaust systems, which may be a deterrent for some buyers.
2. Installation Complexity: Installing the Map9198 exhaust valve may require specialized tools and technical knowledge, which could result in additional costs if you choose to hire a professional.
3. Noise Level: The high-diameter exhaust system can produce a louder exhaust note, which may not be suitable for all riding environments or noise restrictions.
Conclusion:The Map9198 Norton Commando High Diamond Exhaust Valve 1.30 Map Cycle offers numerous benefits, including improved engine performance, aesthetic appeal, durability, and compatibility. However, it comes with some drawbacks such as cost, installation complexity, and increased noise level. If you are looking to enhance the performance and visual appeal of your Norton Commando and are willing to invest in a high-quality aftermarket exhaust system, the Map9198 exhaust valve is a worthwhile consideration. However, it's essential to weigh the pros and cons and consider your budget and riding preferences before making a decision.
Recommendation:If you are confident in your technical skills and have the necessary tools, you can consider installing the Map9198 exhaust valve yourself to save on installation costs. Alternatively, you can seek the help of a professional motorcycle mechanic to ensure a proper installation and minimize any potential issues. Ultimately, the decision to purchase the Map9198 Norton Commando High Diamond Exhaust Valve 1.30 Map Cycle depends on your personal preferences, budget, and riding requirements.
Our oversized valves OS are flow tested for maximum performance. Oversized valves are available from Map Cycles, inc. Norton commando high quality black Diamond exhaust valve These valves are vastly superior to factory and other so-called performance finishes such as hard chrome.
Our induction welded, heat-treated tip prevents mushrooming and eliminates the need for lash caps. Oversized valves can also be used to rejuvenate sunken valve seats while correcting geometry. The OS valve features relocated keeper locations to accommodate hi-lift racing cams and springs. Fits: 1969 and later norton commando model's.
Norton model's norton commando 750r 1970norton fastback 1973norton 850 Lr hi-rider 1975norton 1974norton interstate combat 50 1972norton john player Mk iii 1977norton roadster 750 scrambler 1971norton 750s note: always be sure to check piston clearance before installing oversize valves. This reduction in friction allows for tighter tolerances fit and provides long-lasting durability. This black Diamond finish adds surface hardness as well a smoother exterior coating which greatly reduces friction. Our Map valves feature black oxide nitrating a superior hardening process which penetrates into the ultra-ev8 stainless steel core material, forming super-hard outer layer.
30 MAP9198 race-proven durability.