Cylinder Works High Compression Cylinder Kit 97mm - Yamaha YZ450F / YZ450FX / WR450F (2018-2020)
Cylinder Works High Compression Cylinder Kit 97mm - Yamaha YZ450F / YZ450FX / WR450F
High compression cylinder kit for your Yamaha 450. Increases compression ratio to 13.8:1 for improved throttle response and power. Includes Vertex matched piston, Nikasil plated cylinder, and full gasket kit. Direct bolt-on with no machine work required. Made in the USA.
What's Included
- Cylinder Works 97mm high compression cylinder
- Vertex matched high compression piston
- Piston rings
- Wrist pin and clips
- Complete top end gasket kit
Key Features
High compression design with 13.8:1 ratio for maximum performance. Nikasil plated cylinder for long life and excellent heat transfer. Vertex piston ensures longevity and reduced engine noise. Looks virtually identical to OEM. Direct bolt-on installation with no machine work required.
Specifications
- Bore Size: 97mm (standard)
- Displacement: 450cc
- Compression Ratio: 13.8:1
- Engine Type: 4-Stroke
- Material: Aluminum with Nikasil plating
- Weight: 4.51 lbs
Fitment
Yamaha YZ450F: 2018-2019
Yamaha YZ450FX: 2019-2020
Yamaha WR450F: 2019-2020
Why Cylinder Works?
Cylinder Works is a trusted name in powersports engine components. Their cylinders and kits are manufactured in the USA to strict tolerances. Used by professional racers and weekend riders who demand reliability.
📦 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.