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YZ50 and "OW" Kit Direct bolt on to YSR50 all items are new in box and have not been available for 30 years! The OW Kit was a Japan only item it uses YZ 60 Piston |
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OW Kit contains piston, rings, pin, and gaskets. Cylinder must be bored to accept the 60CC piston, or you can use YSR stock Pistons on the stock YZ50 Cylinder $375 |
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Daytona Aluminum Big Bore YSR Cylinder and Head No Longer Available |
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44.5 MM Big Bore $225 |
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Sleeve for YSR Cylinder $ 25 |
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Used YSR Cylinders 40mm Cylinders (standard bore) new from Yamaha are $303.97 |
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