Wiseco Pro-Lite Piston Kit with Gaskets - Yamaha YZ125/YZ125X (2005-2022) - 54.00mm Bore (Standard) - 2-Stroke
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Wiseco Pro-Lite Piston Kit with Gaskets - Yamaha YZ125/YZ125X - Standard Bore
Premium Wiseco Pro-Lite piston kit with complete gasket set for Yamaha YZ125 and YZ125X 2-stroke motocross/off-road bikes. This is the STANDARD BORE (54.00mm) kit - direct replacement for stock pistons!
Kit Includes
- Pro-Lite Series Piston
- Ring Set
- Wrist Pin
- Circlips
- Bearing
- Complete Gasket Set
Key Features
- Pro-Lite Series - lightweight forged design for maximum throttle response
- 4032 aluminum alloy construction
- Complete top-end gasket kit included
- Standard bore - no cylinder work required
- Dual model fitment - YZ125 MX and YZ125X Off-Road
- 17+ years of fitment (2005-2022)!
Piston Specifications
- Bore Size: 54.00 mm (Standard)
- Piston Diameter: 53.95 mm
- Stroke Length: 54.50 mm
- Material: 4032 Aluminum Alloy
- Skirt Coating: Non-Coated
Engine Specifications
- Displacement: 125cc
- Engine Type: 2-Stroke
- Weight: 0.75 lbs
Fitment
- Yamaha YZ125: 2005-2021
- Yamaha YZ125X: 2020-2022
📦 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.
