Description
A worn or damaged top end can rob your engine of power and reliability—this comprehensive WSM Top End Kit gives you everything needed for a complete piston and gasket refresh on your Honda 4-stroke. By replacing pistons, rings, and all critical gaskets in one assembly, you’ll restore compression, eliminate blow-by, and ensure consistent performance whether you’re on the track or the trail. This is the kind of complete, no-guesswork solution that serious riders and mechanics trust when a simple top-end refresh won’t cut it.
- Manufacturer Part Number: 5422911
- Piston specification: .25mm oversized
- Piston rings: Included, matched set
- Wrist pins: Forged, precision-fit
- Retaining clips: Full complement
- Needle bearings: Small-end assembly
- Head gasket: OEM-equivalent material
- Base gasket: Full seal set
- Intake manifold gasket: Included
- Exhaust manifold gasket: Included
- Oil filter: Replacement cartridge
- Engine type: 4-stroke Honda models
- Installation: Requires engine disassembly
- Fitment: Honda 54-229-11 applications
