Std Pistons 72mm and Top End Gasket Set for Yamaha Wave Runner 500 1989-1993
Std Pistons 72mm and Top End Gasket Set for Yamaha Wave Runner 500 1989-1993
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Std Pistons (72mm) and Top End Gasket Set for Yamaha Wave Runner 500
This standard bore piston and top end gasket set for Yamaha Wave Runner 500 restores compression on 1989-1993 models with 72mm pistons and includes the gaskets needed for a complete top end rebuild.
Overview
This 72mm standard piston and top end gasket set for Yamaha Wave Runner 500 delivers the core components for a top end refresh on 1989-1993 personal watercraft. Each piston is machined to the factory 72mm standard bore so it drops into an unmodified cylinder. The set suits riders and mechanics rebuilding a tired Wave Runner 500 engine.
Built For Performance
- 72mm standard bore piston sized for stock, unbored cylinders
- Top end gasket set seals the cylinder, head, and related joints
- Piston designed for two-stroke marine duty cycles
- Components matched to 1989-1993 Yamaha Wave Runner 500 applications
- Kit format supplies pistons and gaskets together for one rebuild
Fits These Machines
- for Yamaha Wave Runner 500, 1989
- for Yamaha Wave Runner 500, 1990
- for Yamaha Wave Runner 500, 1991
- for Yamaha Wave Runner 500, 1992
- for Yamaha Wave Runner 500, 1993
On-The-Job Use
- Top end rebuild after loss of compression
- Freshwater and saltwater Wave Runner 500 engines
- Seasonal maintenance on 1989-1993 personal watercraft
- Restoring a stored or non-running Wave Runner 500
Specs At A Glance
| Piston Size | 72mm standard bore |
| Engine Type | Two-stroke |
| Set Contents | Pistons and top end gasket set |
| Model Years | 1989-1993 |
Good To Know
Q: Do I need to bore my cylinder for these pistons? A: These are 72mm standard bore pistons, so they suit a cylinder still at stock bore and in spec. Measure your bore and piston clearance before ordering.
Q: What does the top end gasket set cover? A: It supplies the gaskets and seals needed when reassembling the top end of the engine. Check your service manual for any additional seals your job requires.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.
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