Vertex Piston Kit 66.35 Mm - Yamaha YZ250 2001-2024
- Ships next business day
- 30-day hassle-free returns
- Call us: 541-668-7503
- Secure checkout — Pay in 4 available
✓ Fits
- Yamaha YZ250 1999-2024
- Yamaha YZ250X 2016-2024
✓ Features
- Piston is heat treated with a T-5 hardening and tempering cycle
- Piston skirt is coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life
- Gravity-cast aluminum alloy (not forged) with 18% silicone content
- Cast OE replacement piston
- Kit includes piston, rings, wrist pin and circlips
✓ What's Included
- (1) Vertex Piston Kit 66.35 Mm
✓ Specs
- Brand: Vertex
- Manufacturer part #: 22584B
- Cylinder Diameter Metric: 66.40 mm
- Compression Ratio Imperial: 13.4:1
- Piston Diameter Metric: 66.35 mm
- Piston Material: Aluminum Alloy
- Piston Material: Cast
- Displacement: 250 cc
- Condition: New
Ships fast from DuneGoonShop!
📦 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.
