Valve kit GY6 4T 150cc

Valve kit GY6 4T 150 cc: two valves, in the drawing the heads are 27,98 mm and 22,80 mm, the length 66,07 mm and 65,40 mm. Measure your old valves before ordering.

• One valve opens the intake port, the other — the exhaust port, in the head; if the head no longer seats against its seat, the cylinder no longer holds compression, and the engine starts harder.
• We measured the arrow ends: the 27,98 mm and 22,80 mm lines rest against the head's upper and lower edge, so these are the head diameters.
• 66,07 mm and 65,40 mm are marked from the stem end to the head's edge: 66,07 mm — for the valve with the 27,98 mm head, 65,40 mm — for the one with 22,80 mm.
• For both valves, 3 mm is marked — from the stem end to the start of the keeper groove.
• Which valve is intake and which is exhaust is not written in the drawing; nor is the stem thickness.

We write only what we know. The name states only GY6 4T 150 cc, without the scooter's model and year, and the supplier did not mark the stem diameter. Before ordering, measure your old valves' length, head diameter and stem thickness, send us a photo of the old part — we will check it before you order.

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