If your Suzuki Gixxer 155 motorcycle is jerking while running at a fixed speed, there could be several potential problems. While it's difficult to pinpoint the exact cause without a thorough inspection, here are some possible issues that could contribute to the jerking:
Carburetor issues: The carburetor is responsible for mixing air and fuel in the correct proportions for combustion. If it is dirty, clogged, or improperly adjusted, it can cause an inconsistent fuel flow, leading to a jerky ride. Cleaning or adjusting the carburetor may help resolve the issue.
Fuel system problems: A malfunctioning fuel pump, clogged fuel filter, or a fuel line blockage can disrupt the fuel supply to the engine. Inadequate or inconsistent fuel delivery can cause the motorcycle to jerk. Inspect the fuel system components and ensure they are clean and functioning properly.
Ignition system malfunction: Problems in the ignition system, such as faulty spark plugs, ignition coils, or ignition timing, can cause misfires and result in a jerking sensation. Check the spark plugs and ignition system components for any signs of wear or damage and replace them if necessary.
Air intake issues: If there are restrictions or blockages in the air intake system, it can disrupt the airflow to the engine, leading to an irregular running condition. Inspect the air filter, air box, and intake manifold for any obstructions or damage.
Electrical problems: Faulty electrical connections, wiring issues, or a malfunctioning sensor (such as the throttle position sensor) can affect the engine's performance and cause jerking. A comprehensive electrical inspection may be required to identify and resolve any electrical problems.
Mechanical issues: There could be mechanical issues like a worn-out clutch, transmission problems, or a malfunctioning throttle cable that can cause the motorcycle to jerk. It's recommended to have a professional mechanic inspect the mechanical components for any signs of wear or damage.
To accurately diagnose and resolve the jerking issue, it's best to consult a qualified mechanic or take your motorcycle to an authorized service center. They will have the expertise and tools to thoroughly inspect and troubleshoot the problem, ensuring that the necessary repairs or adjustments are made to restore smooth operation.