Reply To: Valve stem seals measurements/diameters Forums 🚥 PiT STOP 🔧 Hyosung Technical Help Valve stem seals measurements/diameters Reply To: Valve stem seals measurements/diameters Jun 9, 2025 at 6:52 PM #19669 ♠️ M77Admin Topics: 39Replies: 2,922🌍 Country: UK⚡ Bike Model: GT It uses the same valve as SV650 , since Hyosung produced both engines. They should use the same seals.
