Wiseco Pro-Lite Piston Kit with Gaskets - Yamaha YZ125 / YZ125X (2005-2022) - 56.00mm Bore (+2.00mm Big Bore) - 2-Stroke
- Ships next business day
- 30-day hassle-free returns
- Call us: 541-668-7503
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Premium Wiseco Pro-Lite 2-stroke piston kit with complete top-end gasket set for the legendary Yamaha YZ125 and YZ125X. Everything you need for a professional top-end rebuild in one convenient package. This is a big bore kit that increases displacement to 134cc!
✓ Fits:
- 2005-2022 Yamaha YZ125 / YZ125X
✓ Features:
- Pro-Lite design for lightweight, high-revving 2-stroke performance
- 4032 aluminum alloy construction - optimized for 2-stroke applications
- Complete top-end gasket kit included
- Wrist pin bearing included - everything for a complete rebuild
- +2.00mm big bore for increased displacement (125cc to 134cc)
✓ What's Included:
- Wiseco Pro-Lite Piston - Lightweight 4032 aluminum alloy
- Ring Set - Wiseco performance rings
- Wrist Pin
- Circlips
- Wrist Pin Bearing
- Top End Gasket Set
Note: Cylinder must be bored to 56.00mm
Note: Wiseco ring types are not interchangeable (i.e., CD is not interchangeable with LC)
Note: Wiseco pistons can be fitted only with Wiseco rings
Note: Cylinder sleeves must be purchased separately if needed
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.
