Wienen Motorsports Spec Complete Race Engine
Description
WM Spec Complete Engine – YFZ450
Email us at wienenmotorsports@gmail.com to discuss details or questions.
The WM Spec Complete Engine for the YFZ450 delivers championship-level performance in a ready-to-run package. Built with the same components and processes trusted by top national competitors, this engine provides exceptional horsepower, throttle response, and long-term reliability.
Features & Components
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Malaska Performance Cylinder Head – Professionally ported for maximum airflow and power and durability
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Web Camshafts – Race-proven profiles for strong, responsive power delivery
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CP Piston – Forged performance piston for superior durability
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Carrillo Connecting Rod – Industry-leading strength for sustained high-RPM use
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Hinson Clutch Components – Billet and coated products that drastically improves clutch life
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Tumbled & Treated Transmission – Reduced friction and increased longevity under race stress
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Works Connection Ignition Plugs – Billet plugs that replace the oem plastic plugs
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Walsh Speed Sensor Plug – Billet plug that replaces the oem plastic plugs
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Fully Assembled by Wienen Motorsports – Expert craftsmanship backed by 14 years of proven engine development
Race-Ready Performance
This complete engine offers a turnkey solution for riders seeking a competitive edge at any level—from local tracks to national circuits. Built to perform. Built to last.
Care
To maintain the beauty and integrity of your purchase, we recommend treating it with care. Simple maintenance practices, such as gentle washing and proper storage, can effectively preserve the longevity of your favorites. We encourage you to refer to the care instructions included with each item, designed to help you keep your purchase in top condition.
Design
Our dedication to excellence extends beyond materials; it encompasses the artistry and craftsmanship illustrated in every piece we create.