If your motorcycle consistently shifts from gear 1 to neutral (N) instead of shifting to gear 2, it indicates a problem with your bike's transmission system. There could be several reasons for this issue:
Clutch adjustment: Improper clutch adjustment may prevent the clutch plates from fully disengaging, leading to difficulty in shifting gears. Adjusting the clutch cable or hydraulic system might help resolve the problem.
Worn clutch plates: Over time, the clutch plates can wear out or become glazed, causing them to slip and fail to engage properly. If this is the case, replacing the worn clutch plates may be necessary.
Bent shift fork: The shift fork is responsible for moving the gears within the transmission. If the shift fork is bent or damaged, it can lead to gear-shifting issues. In such cases, professional repair or replacement of the faulty component may be required.
Low transmission oil level: Inadequate transmission oil can hinder the smooth operation of the gears. Ensure that your motorcycle has the correct amount of transmission oil and that it is in good condition.
Transmission system damage: Internal damage to the transmission gears or other components can cause shifting problems. This could result from excessive wear, impact damage, or other mechanical issues. Professional inspection and repair by a qualified motorcycle mechanic are recommended in such cases.
It is essential to consult a professional motorcycle mechanic or technician to diagnose and fix the specific issue with your motorcycle. They will be able to provide an accurate assessment and carry out the necessary repairs to restore proper gear shifting functionality.