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Engines and Components› Pistons and Piston Rings
Wiseco
Wiseco Kawasaki KX125 91 ProLite 2224CS Piston Kit
SKU: W00C 603M05650
Moderate — 2–4 hours
Overview
Show original supplier description
Part #: 603M05650
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, 56.50 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 power during acceleration
- Hard starting or no start
- Excessive blue smoke from exhaust
- Knocking or pinging noise from engine
- Low compression when kick-starting
Relevant Conversations
- Wiseco 603M05650 Pro-Lite piston kit review
- 56.50mm oversize piston for dirt bike rebuild
- Best 2-stroke piston for trail riding
- Top end rebuild symptoms loss of power
- Wiseco vs Vertex piston for 250cc
- How to install Wiseco Pro-Lite piston
- Piston slap noise after rebuild
- High compression piston vs stock for trails
- Dirt bike smoking after top end rebuild
- Co-purchase gasket set with Wiseco piston
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 603M05650 |
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Returns & Fitment
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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