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44mm Big Bore Cylinder Carburetor Kit for 47cc 49cc 2-Stroke Pocket Bike
44mm Big Bore Cylinder Carburetor Kit for 47cc 49cc 2-Stroke Pocket Bike
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Product Overview
Complete 44mm big bore cylinder and engine component kit for selected Chinese-style 47cc and 49cc air-cooled 2-stroke mini engines used in pocket bikes, mini dirt bikes, mini ATVs, quads, and similar applications.
The kit combines major top-end and intake/ignition components, including a 44mm cylinder and piston assembly, carburetor, intake manifold, air filter, ignition coil, and spark plug.
The 44mm bore is commonly marketed as a 53cc/54cc big bore upgrade for compatible 47cc/49cc engines. However, actual engine displacement depends on both cylinder bore and crankshaft stroke, so verify your engine dimensions before ordering.
Product Compatibility
| Vehicle / Engine | Application | Fitment Notes |
|---|---|---|
| Chinese Mini Moto | 47cc / 49cc 2-Stroke | Verify 44mm cylinder configuration |
| Pocket Bike | 47cc / 49cc 2-Stroke | Selected air-cooled engines |
| Mini Dirt Bike | 47cc / 49cc 2-Stroke | Compare cylinder and intake dimensions |
| Mini Quad / ATV | 47cc / 49cc 2-Stroke | Selected Chinese mini engines |
| Mini Racing Bike | 47cc / 49cc 2-Stroke | Verify engine configuration |
| CRX50-Style Dirt Bike | Mini 2-Stroke | Verify original engine dimensions |
| Coyote Midi Quad | Mini 2-Stroke | Physical comparison required |
This kit is intended for selected air-cooled Chinese mini 2-stroke engines. Similar-looking 47cc/49cc engines can use different cylinders, piston pins, intake systems, and ignition components.
Specifications
| Specification | Details |
|---|---|
| Product Type | Big Bore Cylinder / Engine Rebuild Kit |
| Engine Type | Air-Cooled 2-Stroke |
| Listed Original Engine Size | 47cc / 49cc |
| Cylinder Bore | Approx. 44 mm / 1.73 in |
| Marketed Big Bore Size | 53cc / 54cc |
| Carburetor Manifold Intake Diameter | Approx. 19 mm / 0.75 in |
| Air Filter Diameter | Approx. 58 mm / 2.28 in |
| Piston Pin Diameter | Approx. 12 mm / 0.47 in |
| Listed Spark Plug | A7TC |
| Color | Red |
| Application | Pocket Bike / Mini Dirt Bike / Mini ATV / Quad |
| Condition | New |
Note: 53cc/54cc is the marketed application description. Actual displacement depends on the engine's bore and stroke.
Key Features
- 44mm Big Bore Cylinder: Designed for selected 47cc/49cc Chinese-style 2-stroke mini engines.
- Complete Component Set: Combines top-end, intake, filtration, and ignition components in one replacement kit.
- 19mm Intake Reference: Carburetor/manifold dimensions provide an additional fitment check.
- 12mm Piston Pin: Important measurement for confirming piston and connecting-rod compatibility.
- Mini Powersports Application: Suitable for compatible pocket bikes, mini dirt bikes, mini ATVs, and quads.
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