There isn't a general vulnerability or widespread issue specific to Honda motorcycles from the 1970s-1980s regarding main stand cracks. However, it's important to note that the condition of a motorcycle's main stand can be influenced by various factors, including the age, usage, maintenance history, and individual wear and tear.
Over time, any metal component on a motorcycle, including the main stand, can be subject to fatigue, corrosion, or damage. Factors such as excessive weight, improper usage (e.g., using the stand as a lever), or neglecting maintenance can contribute to the potential for cracks or structural issues.
To maintain the longevity and performance of the main stand, it's recommended to:
Inspect Regularly: Periodically examine the main stand for any signs of cracks, deformation, or excessive wear. Look for stress points, particularly where the stand attaches to the frame or where it folds.
Proper Usage: Use the main stand as intended, following the manufacturer's guidelines. Avoid placing excessive weight or using the stand for leverage or other unintended purposes.
Maintenance: Keep the main stand clean and lubricated to prevent corrosion and facilitate smooth operation. If any abnormalities or issues are detected, consult with a qualified technician or motorcycle mechanic to assess and address the problem.
Remember that individual experiences and conditions can vary, and issues with main stands or any other components can depend on specific models, manufacturing batches, or usage history. If you have concerns about the main stand on a specific Honda motorcycle from the 1970s-1980s, it's advisable to consult with knowledgeable experts or join online forums or communities dedicated to vintage Honda motorcycles for more information and insights.