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GhostBikes.com£225.99Visit shop Vertex 24579B - Forged High Compression Piston Kit For Honda Crf250r 2022-2026 Standard Size B
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The Vertex Forged High Compression Piston Kit is designed for Honda CRF250R owners seeking to maximize engine power and long-term durability during competitive riding. By utilizing a high-compression forged design, it delivers noticeable gains in torque and throttle response, making it an ideal upgrade for racers; however, users should be aware that the increased compression may require the use of higher-octane fuel to prevent engine knock.
| Model Part Number | 09106735 |
|---|---|
| Brand | Vertex |
This kit is specific to the CRF250R architecture; always verify your specific model year and engine generation before purchase.
While often not strictly required, adjusting your ECU mapping can help optimize fuel delivery to match the increased compression.
T-5 hardening and tempering ensures the piston maintains its shape and structural integrity under the high heat and extreme pressure of racing.
Because of the high compression design, using high-octane fuel is highly recommended to avoid pre-ignition or engine damage.
Yes, the kit is complete and includes the piston, rings, wrist pin, and circlips.
Switch to a higher octane racing fuel to accommodate the increased compression ratio.
Verify that the piston rings were correctly gapped and seated during installation.
Ensure the cylinder bore was honed correctly and that the rings are properly oriented according to the installation manual.
This kit is specifically engineered for the Honda CRF250R and serves as a drop-in replacement for the standard piston. For optimal performance, always measure cylinder bore clearance before installation to ensure it meets the manufacturer's specified tolerances. During the initial break-in, avoid prolonged high-RPM use to allow the Molybdenum Disulphite coating to properly seat against the cylinder wall. We recommend using a high-quality, fully synthetic motorcycle oil and strictly adhering to the recommended race-day air filter cleaning schedule to prevent abrasive contaminants from entering the combustion chamber.
