Increasing the speed of a motorcycle involves various factors, including engine modifications, aerodynamics, and riding techniques. While I can provide you with some general suggestions, please note that modifying your motorcycle's engine or components may have legal implications and can potentially void your warranty. Always check with local regulations and consider consulting a professional mechanic or tuner for expert advice. Here are some common ways to potentially enhance the speed of your Gixxer SF 155:
Engine tuning: Consult a professional tuner who specializes in motorcycle engines to optimize your bike's performance. They may suggest adjustments to the fuel-air mixture, ignition timing, or other engine parameters to improve power delivery and speed.
Exhaust system: Replacing the stock exhaust system with an aftermarket one can enhance exhaust flow and potentially increase power. However, be aware that modifications to the exhaust system may affect noise levels and emissions, so ensure compliance with local laws.
Air filter: Upgrading to a performance air filter can improve airflow to the engine, potentially increasing power output. Consider using high-quality filters designed for your motorcycle model.
Tires: Installing high-performance tires with better grip and traction can improve acceleration and stability, allowing you to maximize your bike's speed potential.
Weight reduction: Reducing the weight of your motorcycle can enhance its overall performance. Remove any unnecessary accessories or components that add significant weight.
Riding techniques: Improving your riding skills and employing advanced techniques like maintaining proper body positioning, mastering throttle control, and optimizing gear shifting can help you extract the best performance from your bike.
Remember, modifying your motorcycle comes with risks, and it's essential to prioritize safety. Always wear appropriate safety gear and consider upgrading your brakes and suspension components to handle the increased speed effectively.