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As revealed at this year’s toy fair Hot Bodies have released their new 21XZ-B Hara Edition engine. Based on the O.S. Speed motor that Hara used to take a close 2nd place at last year’s World Championships in Pattaya this limited edition engine features a new lighter crankshaft, modified to improve response and improve torque. It has then been DLC coated for better fuel flow and increased durability. The low center of gravity cooling head is also new, featuring limited edition graphics and finally the latest version black anodised carburetor is included, with a 6mm venturi it gives an excellent balance of power and fuel economy.