If you're looking to increase the speed of your Yamaha FZS, there are a few modifications and adjustments you can consider. However, it's important to note that modifying your motorcycle may affect its warranty, legal compliance, and safety. Here are some options to potentially improve the performance:
Performance Exhaust System: Upgrading to a high-performance exhaust system can improve the exhaust flow and increase power output. This modification may also enhance the overall sound of the motorcycle. However, ensure that the exhaust system you choose is compatible with your FZS model and complies with local emission regulations.
Air Filter Upgrade: Replacing the stock air filter with a high-flow aftermarket air filter can improve air intake and potentially increase power. This modification allows for better combustion and improved engine performance. Ensure that the air filter you select is designed for your specific motorcycle model.
ECU Remapping: Altering the engine control unit (ECU) mapping can optimize the fuel-air mixture and ignition timing, resulting in improved performance. ECU remapping should be done by professionals who have expertise in motorcycle tuning to avoid any potential issues or damage to the engine.
Sprocket Change: Altering the sprocket sizes can affect the motorcycle's gearing and acceleration. Installing a smaller front sprocket or a larger rear sprocket can potentially provide more top-end speed. However, this modification may compromise low-end torque and may require adjustments to the chain length and rear wheel alignment.
Tires: Choosing high-performance tires designed for better grip and traction can enhance the motorcycle's handling and stability, which can contribute to an improved riding experience.
It's crucial to consider the legal and safety implications of any modifications you make to your motorcycle. It's advisable to consult with professionals, such as motorcycle tuners or mechanics, who have experience with Yamaha FZS models and can guide you through the process while considering local regulations and restrictions.