GOOFIT
44mm Big Bore Cylinder Kit with 12mm Piston Pin for 2-Stroke 43cc 47cc 49cc Mini Pocket Bike
44mm Big Bore Cylinder Kit with 12mm Piston Pin for 2-Stroke 43cc 47cc 49cc Mini Pocket Bike
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Product Overview
Revitalize your mini scooter's engine with the GOOFIT 44mm Big Bore Cylinder Assembly. Specifically engineered for 2-stroke 43cc, 47cc, and 49cc engines, this kit is the ideal choice for riders seeking a reliable top-end replacement. Featuring a robust 12mm wrist pin and precision-machined components, it ensures a perfect seal and enhanced combustion efficiency, bringing your engine back to life with improved stability.
Product Compatibility
This 44mm kit is a direct replacement for 2-stroke small engines using a 12mm piston pin.
| Vehicle Category | Compatibility | Engine Note |
| Mini Scooters | Gas Scooters, Stand-up Scooters | Fits 43cc-49cc Motors |
| Pocket Bikes | Mini Superbikes & Pit Bikes | Must verify 12mm Pin |
| Mini Quads / ATV | Kids ATVs & 4-Wheelers | High-Durability Materials |
Specifications
| Attribute | Details |
| Cylinder Bore | 44mm / 1.7" |
| Piston Pin Outer Diameter | 12mm / 0.47" (Critical Size) |
| Engine Type | 2-Stroke Air-Cooled |
| Displacement Range | 43cc, 47cc, 49cc |
| Included Components | Cylinder, Piston, Rings, 12mm Pin, Clips, Gasket |
Key Features
- Optimized 12mm Pin Fitment: Specifically designed for engines requiring a 12mm wrist pin, ensuring high-strength connectivity and reduced mechanical vibration.
- Precision Machined Durability: Each component undergoes strict quality testing and precision machining to ensure consistency, significantly reducing the failure rate under high-speed operation.
- Enhanced Combustion Efficiency: The cylinder and piston ring geometry are engineered to optimize fuel-air mixing, resulting in better fuel economy and consistent power delivery.
- Leak-Proof Gasket Seal: Includes a precise-density gasket kit that provides a reliable, airtight seal with minimal tightening effort, preventing power-robbing air leaks.
- Extended Service Life: Crafted from high-strength alloys that resist wear and thermal stress, effectively extending the interval between engine overhauls.
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Fitment FAQ
Will this part fit my specific model and year?
This cylinder piston kit is intended for This 44mm kit is a direct replacement for 2-stroke small engines using a 12mm piston pin .; Vehicle Category; Compatibility. Key physical/spec details from the product data include This 44mm kit is a direct replacement for 2-stroke small engines using a 12mm piston pin ., Must verify 12mm Pin, Cylinder Bore: 44mm / 1.7". Use the compatibility table and product photos together before ordering.
Do I need to match the OEM part number?
Yes. If your original part has a stamped OEM or manufacturer number, match that number first before ordering. For this cylinder piston kit, also compare the bore diameter, piston-pin size, gasket pattern, stud spacing, engine code, stroke type, and cylinder height.
What models or situations does this part not fit?
Do not order this cylinder piston kit for machines outside the listed compatibility, or for units with different bore sizes, piston-pin diameters, stroke lengths, stud spacing, or gasket patterns. Do not rely only on the model name or engine size.
What should I check before ordering?
Before ordering, compare your original part with the photos and check the bore diameter, piston-pin size, gasket pattern, stud spacing, engine code, stroke type, and cylinder height. Recheck listed specs such as This 44mm kit is a direct replacement for 2-stroke small engines using a 12mm piston pin ., Must verify 12mm Pin, Cylinder Bore: 44mm / 1.7". If any connector, mounting point, size, or year detail is different, confirm fitment before installation.