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GhostBikes.com£226.49Visit shop Vertex 24405A - Forged Big Bore Piston Kit For Yamaha Wrf250 2020-2024 Standard Size A
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The Vertex Forged Big Bore Piston Kit (MPN: 24405A) is designed for Yamaha WRF250 owners (2020-2024) looking to significantly enhance engine displacement for greater torque and peak horsepower. Crafted from high-strength 2618 aluminum, this kit offers professional-grade reliability for high-performance riding. Users should note that this is a technical engine component requiring advanced mechanical knowledge and precision engine assembly for successful installation.
| Model Part Number | 24405A |
|---|---|
| Brand | Vertex |
No, this piston is specifically engineered for a big bore cylinder setup.
The T-5 hardening and tempering cycle increases the hardness and structural reliability of the aluminum to withstand higher cylinder pressures.
The kit includes the piston, rings, wrist pin, and circlips; however, you will need a top-end gasket kit for the cylinder and head.
While the Molybdenum Disulphite coating speeds up the process, you should follow standard break-in procedures, typically involving varied RPMs and avoiding wide-open throttle for the first few heat cycles.
While forged pistons are built for strength, they are optimized for performance, though specific weight may vary depending on the intended compression ratio of the big bore configuration.
Use a proper ring compressor tool and ensure the ring end gaps are staggered according to the service manual.
Verify that all circlips are properly seated in their grooves and ensure the piston-to-wall clearance is within factory specifications.
Check that the rings were installed with the correct orientation and ensure the cylinder walls were properly deglazed or honed for the new piston.
This kit is compatible exclusively with the Yamaha WRF250 (2020-2024) when used in conjunction with a big bore cylinder. Installation should only be performed by a qualified technician with access to service manuals and torque specifications for the Yamaha 250 platform.
