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Engines and Components› Pistons and Piston Rings
Wiseco
Wiseco 2 Stroke Forged Series Piston Kit, 56.50 MM Bore
SKU: W00C 486M05650
Advanced — 4+ hours
Overview
This kit is ideal for rebuilding 2-stroke engines and offers improved tensile strength over cast pistons for enhanced performance and service life.
Show original supplier description
Part #: 486M05650
Classic Forged 2-stroke pistons are perfect for those looking to rebuild their 2-stroke engine with reliable, high-quality components. These pistons cover a wide range of Powersports rebuilds, including vintage motocross models, classic street bikes, and snowmobiles. The forged material improves tensile strength over cast pistons, ensuring refreshed performance on the track or the trail.
Features:
- Engineered, forged, and machined in the USA in Mentor, OH
- Designed and built for each specific 2-stroke powersports engine
- Improved tensile strength of forged material optimizes strength and service life
- Dedicated forgings and additional lightening operations allow for optimized strength-to-weight ratio
- Includes high-quality piston ring(s), wrist pin(s), and circlips
Wiseco 2 Stroke Forged Series 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 compression on kickstart
- Low power and sluggish acceleration
- Excessive blue smoke from exhaust
- Piston slap or knocking noise under load
- Hard starting after sitting
Relevant Conversations
- KX125 1983 loss of compression fix
- Wiseco 486M05650 piston kit review
- 2-stroke piston replacement symptoms
- Best piston for Kawasaki KX125 1982-1985
- How to install Wiseco forged piston KX125
- KX125 top end rebuild guide
- Wiseco vs OEM piston for KX125
- KX125 low power after top end rebuild
- Piston kit for 1984 KX125
- 2-stroke piston slap causes
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 486M05650 |
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About MOTORMIA
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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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