Cylinder Works Big Bore Power Valve Kit - Yamaha YZ250 (1999-2024)
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Cylinder Works Big Bore Power Valve Kit - Yamaha YZ250
Complete big bore power valve kit for your Yamaha YZ250 2-stroke. Designed for 72mm big bore cylinder applications. Includes power valve assembly and side boost valves. CNC-machined with hard anodized finish. Made in the USA.
What's Included
- Cylinder Works CNC-machined power valve assembly
- Side boost valves
Key Features
- Designed for big bore 72mm cylinder applications
- CNC-machined for precise fit and function
- Hard anodized finish for durability
- Complete kit with side boost valves included
- Maintains peak 2-stroke performance in big bore setups
- Made in the USA
Specifications
- Bore Size: 72mm (big bore)
- Displacement: 250cc
- Engine Type: 2-Stroke
- Material: Steel with hard anodized finish
- Weight: 0.35 lbs
Fitment
Yamaha YZ250: 1999-2024 (with big bore cylinder)
Why Cylinder Works?
Cylinder Works is a trusted name in powersports engine components. Their power valves are CNC-machined in the USA to strict tolerances for precise operation and long-lasting performance.
📦 Shipping Information
In-stock items ship next business day. ModQuad parts dispatch Monday through Thursday.
Made-to-order and custom powder coat items show their lead time at the top of this page, right next to the truck icon. These are built fresh for you, so timing varies by brand and current backlog.
Need something by a specific date? Call us at 541-668-7503 before ordering and we will check stock and ETA on that exact part. We can often point you to an in-stock alternative from another distributor.
Questions? Contact us, we respond within 24 hours.
