Chain Falling Off Sprocket

Fixing a chain that falls off the sprockets:
  • Check chain tension, ensuring it is not too loose 
  • Check chain for lubrication, stretch or wear 
  • Inspect the clutch for wear or heat damage 
  • Ensure the sprockets are aligned 
  • Look for bent, worn or loose sprockets or sprocket hubs 
  • Check for a loose drive wheel 
  • Inspect the axle to ensure it is not bent or loose. 
  • Ensure the frame is not bent