Cylinder Works Cylinder – Yamaha YZ125 / YZ125X (2005–2022)
Cylinder Works Standard Bore Cylinder – Yamaha YZ125 / YZ125X (2005–2022) (CW20011 / 422-20011)
Description
Refresh your top end with the Cylinder Works CW20011 Standard Bore Cylinder, a direct OEM-style replacement for Yamaha YZ125 and YZ125X models from 2005–2022.
This 54 mm nickel-silicon-carbide-plated aluminum cylinder looks and fits just like stock, offering reliable compression, smooth power delivery, and exceptional wear resistance. Perfect for riders rebuilding their 125 two-stroke for maximum reliability and factory performance.
What’s Included
✅ 54 mm nickel-silicon-carbide plated aluminum cylinder
✅ Precision-machined port timing identical to OEM specs
✅ Ready-to-install cylinder body (standard bore)
(Piston kit, head, and gaskets sold separately.)
Fitment
📦 Fits:
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2005–2022 Yamaha YZ125
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2020–2022 Yamaha YZ125X
Key Features
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Stock bore size: 54 mm
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OEM-style cylinder design for perfect fitment
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Nickel silicon carbide (NiCaSil) coating for durability
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Improved heat transfer for consistent performance
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Ideal for rebuilds or replacing worn/damaged OEM cylinders
Warranty Info
Manufactured by Cylinder Works USA.
Warranty and technical support handled directly through the manufacturer.
Price & SKU
💲 Retail Price: $497.95
SKU: CW20011 / 422-20011
Estimated Shipping Weight: 3.10 lb
Handling: Ships next business day
📦 Shipping Information
In-Stock Items:
- Most parts ship next business day
- Modquad parts: Monday–Thursday dispatch
Made-to-Order Items:
- Custom swingarms & A-arms: 2–4 weeks
- EVP exhaust systems: 2–4 weeks
- Sneakers: 1–2 weeks
Stock Guarantee: Items marked "In Stock" ship immediately. Made-to-order items are built fresh for you.
Questions? Contact us—we respond within 24 hours.
