Experiencing issues with the motorcycle popping out of gear can be frustrating and potentially dangerous. Here are a few things you can consider to help address this problem:
Shift with precision: When shifting gears, make sure to apply a firm, deliberate upward or downward motion on the shift lever. Avoid applying excessive force or being too gentle, as both can contribute to the gear not engaging properly. Practice smooth and confident shifts to ensure a solid connection.
Clutch adjustment: A misadjusted clutch can cause gear engagement problems. Ensure that the clutch lever has the appropriate amount of free play as specified in your motorcycle's owner manual. If the clutch cable is too loose or too tight, it can affect gear engagement. Adjusting the clutch properly can make a difference in smooth gear shifting.
Clutch technique: When upshifting, make sure to fully engage the clutch lever and smoothly release it while applying steady throttle. Similarly, when downshifting, blip the throttle while pulling in the clutch lever to match the engine speed with the lower gear. Proper clutch technique can help facilitate smooth gear engagement.
Transmission oil: Check the transmission oil level and condition. Low or dirty transmission oil can cause shifting issues. If the oil level is low, top it up to the recommended level, and if the oil is dirty or contaminated, consider replacing it with the appropriate oil specified by the manufacturer.
Worn or damaged parts: Over time, certain parts in the transmission system can wear out or become damaged, leading to gear engagement problems. It's advisable to have a professional motorcycle mechanic inspect the transmission components, such as the shift forks, shift drum, or gears, to identify any issues and replace any worn or damaged parts if necessary.
If you've tried these steps and are still experiencing persistent issues with the motorcycle popping out of gear, it's recommended to consult a qualified motorcycle mechanic who can diagnose the problem accurately and provide the necessary repairs.