# Cylinder Works 99-23 Yamaha YZ 250 250cc Standard Bore Cylinder Kit

OEM-style standard bore kits include a cast aluminum Cylinder Works cylinder, Vertex Piston and gaskets needed to restore horsepower and performance, as a competitive price point, compared to OEM options.

-   Nickel silicon carbide (NSC) electroplate bore which allows for tighter tolerances, lower friction and extreme durability
-   Precision diamoned honed to exact dimensions and proper surface finish to ensure ring seal and oil retention

## Details

- **Price:** 1020.36 CAD
- **Vendor:** Cylinder Works
- **Type:** Cylinder Kits

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1020.36 CAD | In stock |

## Images

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/cylinder-works-99-23-yamaha-yz-250-250cc-standard-bore-cylinder-kit)
> Updated: 2026-08-17