Reply To: Spark Timing – 2008 GT250R CARBURETOR MODEL Forums 🚥 PiT STOP 🔧 Hyosung Technical Help Spark Timing – 2008 GT250R CARBURETOR MODEL Reply To: Spark Timing – 2008 GT250R CARBURETOR MODEL Nov 13, 2025 at 5:16 AM #21233 SimonMember Topics: 1Replies: 353 The ignition timing is fixed by the ECU, the marks you refer to are for top dead center so providing your not touching valves etc you don’t need to worry about it.
