Identifying Chinese 50cc 2 Stroke Cylinder Kits

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To ensure you get the correct cylinder and piston kit. Please check your original cylinder and piston for the following:

1. Your orginal piston will either use a 10mm or a 12mm Gudeon Pin. Please take ameasurement of the diameter of the Gudgeon pin.
2. Your cylinder will have the exhaust port angled towards the left or towards then right. Please see the images below to confirm which style of cylinder barrell you require.

    50cc Kit types available from us:
    Yamaha Style Cylinder with 10mm Gudgeon Pin
    Yamaha Style Cylinder with 12mm Gudgeon Pin
    Chinese Style Cylinder 1E40QMA with 10mm Gudgeon Pin
    Chinese Style Cylidner 1E40QMA with 12mm Gudgeon Pin
   
    70cc Kit types available from us:
    Yamaha Style Cylinder with 10mm Gudgeon Pin
    Yamaha Style Cylinder with 12mm Gudgeon Pin
    Chinese Style Cylinder 1E40QMA with 10mm Gudgeon Pin
    Chinese Style Cylinder 1E40QMA with 12mm Gudgeon Pin
    
 

This guide is for information purposes and it is down to you to identify the kit you require if you are unsure.

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