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44mm Piston Kit for 49cc 2-Stroke Pocket Bike Mini Dirt Bike ATV | 12mm Pin
44mm Piston Kit for 49cc 2-Stroke Pocket Bike Mini Dirt Bike ATV | 12mm Pin
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Product Overview
Restore compression and reliable engine performance with this 44mm piston assembly kit, designed for select 49cc 2-stroke 44-6 engines commonly used in pocket bikes, mini dirt bikes, mini motos, ATVs, quads, and 4-wheelers.
Featuring a 44 mm piston diameter, 12 mm piston pin, and 37 mm piston pin length, this replacement kit is designed for top-end repair when your original piston matches the same dimensions and configuration.
Product Compatibility
| Application | Engine Type | Fitment Notes |
|---|---|---|
| Pocket Bike | 49cc 2-Stroke | 44-6 type; verify dimensions |
| Mini Moto | 49cc 2-Stroke | Verify 44mm piston |
| Mini Dirt Bike | 49cc 2-Stroke | Verify 12mm piston pin |
| Mini ATV | 49cc 2-Stroke | Selected Chinese-style engines |
| Mini Quad | 49cc 2-Stroke | Verify original piston |
| 4-Wheeler | 49cc 2-Stroke | Selected mini models |
Important Fitment Requirements
This piston kit is intended for compatible 49cc 2-stroke 44-6 engines using:
- 44 mm piston diameter
- 12 mm piston pin diameter
- 37 mm piston pin length
Many pocket bikes, mini dirt bikes, and mini ATVs use similar-looking 47cc/49cc engines, but internal dimensions can vary.
Do not order based only on the 49cc engine size.
Compare your original piston, piston pin, ring configuration, and product photos before purchasing.
Specifications
| Specification | Details |
|---|---|
| Product Type | Piston Assembly Kit |
| Engine Type | 2-Stroke |
| Engine Application | 49cc 44-6 |
| Piston Diameter | 44 mm / 1.73 in |
| Piston Pin Diameter | 12 mm / 0.47 in |
| Piston Pin Length | 37 mm / 1.46 in |
| Application | Pocket Bike / Mini Moto / Dirt Bike / ATV / Quad |
| Installation | Engine Top-End Replacement |
Key Features
- 44mm Piston Design – Made for compatible 49cc 44-6 two-stroke engines using a 44 mm piston.
- 12mm Piston Pin – Provides an important additional measurement for confirming engine compatibility.
- Helps Restore Compression – Proper piston-ring sealing helps maintain combustion pressure and engine performance.
- Durable Construction – Designed for resistance to heat, wear, corrosion, and high-speed engine operation.
- Wide Mini Powersports Application – Suitable for select pocket bikes, mini dirt bikes, mini motos, ATVs, quads, and similar small 2-stroke vehicles.
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