
77 mm Piston Ring Set by WISECO (manufacturer part number: W3032TD). Designed for 77 mm bores, this piston ring set is aimed at motocross enthusiasts and PWC owners looking to restore their engine's sealing. Ideal for an engine overhaul, it allows for the replacement of worn rings to restore compression and limit oil leaks and blow-by.
Whether you are preparing a competition engine or performing regular maintenance on your jet ski, this set is an essential maintenance part. Its dedicated format facilitates piston/ring replacement during disassembly, and it is installed during a proper bore inspection and break-in process.
Examples of models for which this set frequently appears in searches:
Before installation, check the axial and radial clearance, clean the piston thoroughly, and follow the manufacturer's recommendations for break-in. A practical replacement part to keep the engine in top shape on the track or in the water.