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Exterior Components› Body Panels and Components
Wiseco
Wiseco 22-24 Yamaha YZ125 GP Series 56mm Piston Kit
SKU: W00C PK1959
Advanced — 4+ hours
Overview
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Part #: PK1959
Wiseco's GP Series forged 2-stroke pistons build on the tried-and-true base of the Pro-Lite. Wiseco GP Series 2-stroke pistons incorporate additional performance and durability enhancing features including an Electra-Coated crown, ring groove(s), and pin bores plus ArmorGlide skirt coating, making them perfect for endurance and sustained-RPM 2-stroke applications. From play riders putting in hard hours to consistent competition, GP Series 2-stroke pistons are up to the challenge.
Features:
- Designed for all-purpose 2-stroke riding
- Engineered, forged, and machined in the USA in Mentor, OH
- Great value for reliable fun factor
- Refreshed performance from the track to the trail
- Dedicated forging design for strength-to-weight optimization
- Extra lightening operations for enhanced throttle response
- High-quality ring(s), wrist pin(s), and circlips included
Wiseco Yamaha YZ125 '22-24 GP Series 56mm (900M)
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
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Specifications
| Brand | Wiseco |
| Part Number | W00C PK1959 |
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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.
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