Sea-Doo 650 0.5mm Oversize Piston Kit 78.5mm


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Complete piston kit including rings, clips & pin made by SBT.  Suitable for all Sea-Doo 657cc models.  0.5mm oversize.

SKU: 47-103-1

In stock

** Due to the rareity of these models, most of these parts are special order only.  Contact us to order

– SBT Piston Kit’s 47-103-1 come complete with a set of rings, clips and gudgeon pin.

– Also available in Standard, 1.0mm and 1.5mm sizes/oversizes.

** TECHNICAL TIP:  Have your cylinders bored and honed by a professional with the correct equipment.  It is standard procedure to order the correct oversize pistons required and take the pistons in to have the cylinders bored to match the piston with correct clearance.


SBT Sea-Doo jet ski pistons are high quality, high strength, cast eutectic pistons. Our “standard” pistons are comparable to others premium pistons – anodized on the top surface for better heat resistance and surface strength, graphite coated on the sides to reduce friction between the piston and cylinder and enable efficient break in. SBT is so confident in the quality of our pistons that all pistons come with a LIFETIME warranty against manufacturers defect!


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