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Engines and Components› Pistons and Piston Rings
Wiseco
Wiseco 2 Stroke Pro-Lite Piston Kit, 54.25 MM Bore
SKU: W00C 627M05425
Advanced — 4+ hours
Overview
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Part #: 627M05425
The Pro-Lite series is Wiseco's staple forged 2-stroke piston, offering great value for reliable all-purpose riding. These pistons are designed for both track and trail, providing refreshed performance with every ride. Pro-Lite pistons feature optimized forging for strength and extra lightning operations for enhanced throttle response. This all-purpose piston is perfect for riders seeking a balance of performance and reliability.
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 2 Stroke Pro-Lite Piston Kit, 54.25 mm Bore
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Vehicle Symptoms
- Loss of compression and hard starting
- Low power and sluggish acceleration
- Excessive exhaust smoke
- Piston slap or knocking noise from engine
- Poor top-end performance after riding
Relevant Conversations
- KTM 125 SX piston kit 54.25mm
- Wiseco 627M05425 replacement piston
- 2-stroke top end rebuild symptoms
- KTM 125 losing compression after hard ride
- Wiseco Pro-Lite vs OEM piston 125
- How to tell if 2-stroke piston is worn
- KTM 125 SX piston ring replacement guide
- 54.25mm piston for 2006 KTM 125 SX
- Best piston kit for KTM 125 trail riding
- KTM 125 SX low power after top end rebuild
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 627M05425 |
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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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