The Sea-Doo 951 DI Oversize Top End Kit from SBT is a premium engine rebuild solution designed for Rotax 951 Direct Injection (DI) engines. Ideal for engines requiring cylinder boring during a rebuild, this complete oversize kit restores engine compression, reliability, and performance while providing the high-quality components trusted by marine technicians and Sea-Doo enthusiasts.
The Sea-Doo 951 DI Oversize Top End Kit includes two precision-manufactured SBT oversize pistons, matching piston ring sets, wrist pins, wrist-pin bearings, C-clips, a base gasket, a complete water jacket O-ring set, two R.A.V.E. valve housing gaskets, and exhaust gasket(s). Every component is engineered for precise fitment and exceptional durability to withstand the demanding conditions of high-performance marine engines.
Replacing all top-end components together helps restore lost compression, improve throttle response, reduce piston and cylinder wear, and extend engine service life. The included R.A.V.E. valve housing gaskets and water jacket O-ring set ensure proper sealing of critical engine systems, while the exhaust gasket(s) complete the rebuild for a reliable installation.
The Sea-Doo 951 DI Oversize Top End Kit is available in 0.5 mm and 1.0 mm oversize options to suit professionally machined cylinders. Please select the correct piston size to match your cylinder bore during ordering.
Whether you’re rebuilding a high-hour engine or repairing cylinder damage, the SBT Sea-Doo 951 DI Oversize Top End Kit delivers OEM-quality fit, dependable performance, and long-lasting reliability.
Kit Includes
2 × SBT Oversize Pistons
2 × Piston Ring Sets
2 × Wrist Pins
2 × Wrist-Pin Bearings
2 × C-Clips
1 × Base Gasket
1 × Water Jacket O-Ring Set
2 × R.A.V.E. Valve Housing Gaskets
Exhaust Gasket(s)
