If your Suzuki Gixxer bike is switching off while riding and you need to turn the key to get the speedometer to light up again, it could be indicative of an electrical or ignition-related issue. Here are a few possible reasons for this problem:
Loose or Faulty Wiring: Check for any loose or damaged wiring connections, particularly around the ignition system and the main electrical components. Loose connections or faulty wiring can disrupt the power supply and cause the bike to switch off unexpectedly.
Ignition Switch or Key Issue: The problem could be related to the ignition switch or the key itself. A faulty ignition switch may intermittently cut off power to the bike, causing it to shut down. Similarly, if the key is not making proper contact or is worn out, it may result in the loss of electrical power.
Battery or Charging System Problems: Insufficient power supply from the battery or charging system can lead to the bike switching off. Check the battery terminals for corrosion or loose connections. Additionally, ensure that the battery is in good condition and the charging system is functioning correctly.
Faulty Sensor or Electrical Component: A malfunctioning sensor, such as the crankshaft position sensor or the engine control unit (ECU), can cause the bike to shut off unexpectedly. Electrical components such as relays or fuses may also be at fault.
Fuel Supply Issues: While less likely, fuel-related problems could cause the bike to shut off. Ensure that the fuel tank has an adequate supply, the fuel filter is clean, and there are no blockages in the fuel lines.
It is recommended to have a qualified mechanic or authorized service center inspect your bike to diagnose the specific cause of the issue. They will be able to perform a thorough electrical system check, including wiring, switches, sensors, and the battery, to identify and resolve the problem effectively.