Sea-Doo 787 PROX Piston Kit


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Complete piston kit including rings, clips & pin made to highest Japan quality by ProX,  Suitable for all Sea-Doo 787cc models (also known as 785 or 800 models).

SKU: 01.5511.+


– Pro-X Piston Kit’s come complete with a set of rings, clips and gudgeon pin. #01.5511.+

– Pricing is per kit, ie. 1 piston.

– Recommended for use in all high performance rebuilds over cheaper brands.

– Our Standard Stock sizes in ProX Piston Kits are 0.25, 0.75, 1.00.  Other sizes are available by special order (please contact us at  0.5 and 1.0 oversizes are available in SBT Piston Kits as Standard Stock.  Standard size is very rare and not recommended, but available by special order only.

** 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.


Pro-X Piston Kits are manufactured in Japan and are designed to be an O.E.M. replacement.  The aluminum alloy used in the manufacturing of Pro-X pistons maintains or exceeds the factory specifications.

Additional information

Piston sizing

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