Forums 🚥 PiT STOP 🔧 Hyosung Technical Help Most common cause for compression loss on a gt125r? Reply To: Most common cause for compression loss on a gt125r?
Oct 4, 2024 at 1:27 PM
#15047
As with most engines it will be valves not adjusted right or not seating correctly, piston rings broken, stuck, head gasket leaking on worn bores the only way really is to strip down the top end of the engine.