A strange problem involving the lateral stand on a motorcycle could have several potential causes. Here are a few possibilities:
Safety Switch Issue: Most motorcycles have a safety switch that prevents the engine from starting while the lateral stand is down. This is designed to ensure that the rider doesn't inadvertently start riding with the stand still deployed, which can be dangerous. If there is an issue with the safety switch or its wiring, it could prevent the bike from starting even when the stand is properly raised.
Loose or Damaged Stand Switch: The lateral stand may have a switch that senses when it is up or down. If this switch is loose, damaged, or not properly aligned, it may not send the correct signal to the bike's electrical system, causing starting issues.
Electrical Problem: There could be an underlying electrical issue within the motorcycle's wiring system. A loose connection, a blown fuse, or a faulty relay related to the lateral stand or starting system could cause intermittent or persistent problems.
Tachometer and Starting System Interaction: It's unclear how the tachometer relates to the lateral stand issue you mentioned, as they are not directly related components. However, if there is a wiring issue or a problem with the bike's electrical system, it could potentially affect multiple components, including the tachometer and the starting system.
To diagnose and resolve the problem, it's best to consult with a qualified motorcycle mechanic or technician. They can inspect the lateral stand, safety switch, electrical connections, and the tachometer system to identify the specific cause of the issue. They will have the expertise and tools to diagnose and repair the problem effectively.