Description
The ProX Piston Kit for Sea Doo 720 Standard is a stock bore replacement designed for riders who want to refresh their engine without moving to an oversize. This standard diameter piston is ideal when the cylinder is still within specification and can be revived with a light hone. For owners of Sea Doo 720 powered models, this kit provides a practical way to restore compression, improve throttle response, and reduce smoke and blow by.
- Standard bore piston kit built for Sea Doo 720 engines that remain within OEM cylinder size tolerances.
- Complete kit includes piston, ring set, wrist pin, and circlips, simplifying top end parts selection.
- Machined from a low expansion, low friction alloy using advanced CNC equipment for accurate geometry and fit.
- Designed to follow typical manufacturer piston to wall clearance guidelines when used with a properly honed cylinder.
- Suitable for a wide range of 720 two stroke Sea Doo models used for recreation, towing, or general fun on the water.
When combined with good fuel, correct oil ratio, and healthy ignition components, this ProX standard piston can help bring a tired 720 engine back to a smooth, confident running state. The ring package is designed for reliable sealing when installed in a correctly prepared bore, supporting strong starting and solid mid range power. It is a smart option for budget conscious owners who still demand quality components.
Engine builders should always measure bore size and out of round, verify ring end gaps, and check piston to wall clearance before final assembly. Use new gaskets, inspect crank seals, and confirm that the cooling system is operating correctly. With proper assembly and break in, the ProX Standard piston kit can help extend the life of Sea Doo 720 machines and keep them entertaining for many more seasons.
