Valve Set With Springs and Clips - GY6 50cc Scooter with 69mm Long Valves - Version 4 606641 Referred to as 12x3

Referred to as 12x3

ATA135C and the ATK125A

Intake inner diameter: 34mm

Mounting measurement: center-to-center across 41

Coleman BT200X

Valve Set With Springs and Clips - GY6 50cc Scooter with 69mm Long Valves - Version 4 606641 Referred to as 12x3Engine Valve Set With Springs and Clips for 50cc with 69mm Long Valves Version 4 This valve set fits the 50cc Chinese scooter engines. They are known to fit several brands and models. Please use our detail pictures and specs to make sure these are the correct valves for your scooter. Valve set details: Diameter of both valve stems: 5mm (0. 196 in) Valve Overall length: 69mm (2. 71 in) Valve Intake: 18. 5mm (0. 73 in) Valve Exhaust: 16mm (0. 625 in)