Reply To: Motor swap issue GT250R vs GV250 Oct 12, 2024 at 6:08 PM #15165 ♠️ M77👑 Admin Topics: 40Replies: 3,035Country: UKBike Model: GT Engine (whichever) requires the GT CDI to run on a GT harness. The motor is fine, it will be the CDI unit. GV is for GV