Vertex Top End Piston Kit Forged Replica VTKTC22983B — Honda CRF250R 2004-2007 / CRF250X 2004-2017

Vertex Top End Piston Kit Forged Replica VTKTC22983B — Honda CRF250R 2004-2007 / CRF250X 2004-2017

Product Description

The Vertex Top End Piston Kit provides a complete, comprehensive solution for refreshing the upper power plant of your 250cc four-stroke racer. Sourcing individual components like gaskets, rings, and timing parts during a top-end service can lead to critical component omissions or assembly delays. This all-in-one kit consolidates your workspace by supplying all vital rebuild hardware together inside a single box.

At the center of this package is a high-performance replica piston precision-forged from structural 2618 aluminum alloy, matching factory OEM configuration while delivering a high strength-to-weight profile over cast alternatives. The component undergoes an advanced T-5 hardening and tempering thermal cycle to handle structural loads at high RPM levels, while the outer skirt is shielded with an advanced Molybdenum Disulphite coating to accelerate initial break-in cycles and minimize frictional heat. Paired with standard 12.9:1 compression parameters, the system ships complete with high-tensile rings, wrist pins, clips, a full top-end gasket package, and a fresh replacement timing cam chain.

Top Features: Vertex Top End Forged Piston Kit

• Forged replica design machined from rugged 2618 aluminum alloy to deliver high-strength OEM-matched dimensions.
• Advanced T-5 hardening and thermal tempering treatment provides structural reliability under severe engine loads.
• High-tech Molybdenum Disulphite skirt coating minimizes friction, protects cylinder walls, and speeds up break-in time.
• All-in-one top-end architecture contains the piston assembly, high-grade rings, pins, circlips, matching top-end gaskets, and a fresh valvetrain cam chain.
• Sized accurately at 77.96 mm to provide exact factory clearance inside standard 78.00 mm cylinder bores.

Please review the detailed compatibility data below to ensure an exact fitment match for your motorcycle before finalizing your purchase.

Fitment List

Year Range	Vehicle Brand	Vehicle Model & Sub-Model
2004-2007	Honda	CRF250R
2004-2009	Honda	CRF250X
2012-2017	Honda	CRF250X

Frequently Asked Questions

Q: Does this kit change the factory compression ratio of my CRF250?
A: No, this kit features standard 12.9:1 replica parameters designed to maintain your engine's original performance delivery metrics and factory fuel specifications.

Q: Why does a top end piston kit include a cam chain?
A: Cam chains stretch and wear progressively alongside your piston. Replacing the timing chain during a top-end refresh ensures your 4-stroke valvetrain maintains exact mechanical timing and eliminates the risk of chain failure.

Expert Pro-Tip: When installing a fresh forged piston inside a 4-stroke Unicam engine like the CRF250, always use a dedicated piston ring filer to verify and adjust your end gap clearances prior to final wrist pin assembly. Additionally, ensure you coat the new wrist pin and small-end rod interface with clean assembly lube or high-grade engine oil to prevent dry-start scoring during your very first heat cycle.

Recommended Pairings:

• Honda CRF250R Performance Parts & Upgrades
• Honda 4-Stroke Performance Parts

At Moto-House MX, we carry the best brands in motocross and off-road performance. Our team has over 40 years of experience helping riders get more out of their bikes. Every order ships fast from our Central Florida location.

Moto-House MX – Choice of Champions – Clermont / Montverde, FL. Central Florida's premier powersports source with lightning-fast worldwide shipping.