Welcome...You have a FS509 Cateye not an X7............
sounds like youre gonna need a new Tf-8mm chain and possibly new halfshaft gear bearings.........under the engine plate are 2 adjustment screws..align the chain to the engine and halfshaft double gear better.......pop the transmission and inspect the clutch for proper engagement.......
sounds like youre gonna need a new Tf-8mm chain and possibly new halfshaft gear bearings.........under the engine plate are 2 adjustment screws..align the chain to the engine and halfshaft double gear better.......pop the transmission and inspect the clutch for proper engagement.......