1. Original Piston has a diameter of 67 mm.
2. 70 mm in diameter is up to 70 mm, it is the piston of the Headquarters in increased when you can use it on the go.
3. Bore Size is larger, you can improve the performance of the engine, but the piston to youll need to make sure you can be used on the motorcycle.
Before you place the order please make sure before ordering you are on fits your bike.
Details about the product specification Instruction Manual is not included.
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