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2-Stroke Engine Kit with Carburetor Recoil Starter for 43cc–52cc Pocket Bike
2-Stroke Engine Kit with Carburetor Recoil Starter for 43cc–52cc Pocket Bike
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Product Overview
Replacement 2-stroke horizontal engine kit for selected 43cc, 47cc, 49cc, and 52cc mini pocket bikes, pit bikes, gas scooters, and similar small powersports applications.
The assembly includes a 7-tooth gearbox, recoil starter, carburetor, air filter, and related engine components, providing a practical replacement for compatible mini 2-stroke engine configurations.
Listed applications include selected SYX Moto 50cc Pit Bike, SSR SX50, 2016 Coolster 49cc Pit Bike, and similar Chinese-style mini vehicles.
Before ordering, compare the engine mounting-hole spacing, gearbox sprocket, engine orientation, throttle cable, intake/exhaust configuration, and overall dimensions with the original engine.
Product Compatibility
| Make / Vehicle | Listed Engine | Fitment Notes |
|---|---|---|
| SYX Moto Pit Bike | 50cc | Selected compatible configurations |
| SSR SX50 | 50cc Class | Verify engine and mounting pattern |
| Coolster Pit Bike | 49cc | Listed 2016 application; verify dimensions |
| Mini Pocket Bike | 43cc–52cc | Selected horizontal 2-stroke configurations |
| Mini Pit Bike | 43cc–52cc | Verify mounting points and drivetrain |
| Gas Scooter / Moped | 43cc–52cc | Physical comparison required |
Generic Engine Applications
Listed for selected:
43cc / 47cc / 49cc / 52cc air-cooled 2-stroke horizontal engine applications
Engine displacement alone does not guarantee compatibility. Mini-bike engines that look similar can use different mounting points, gearbox ratios, sprockets, intake systems, exhaust ports, and throttle connections.
Specifications
| Specification | Details |
|---|---|
| Product Type | 2-Stroke Engine Replacement Kit |
| Engine Configuration | Horizontal |
| Cooling Type | Air-Cooled |
| Engine Cycle | 2-Stroke |
| Listed Engine Range | 43cc / 47cc / 49cc / 52cc |
| Gearbox Sprocket | 7-Tooth |
| Listed Mounting Hole Spacing | Approx. 65 mm / 2.56 in |
| Listed Mounting Hole Spacing | Approx. 55 mm / 2.17 in |
| Listed Mounting Hole Spacing | Approx. 38 mm / 1.50 in |
| Bolt Hole Diameter | Approx. 5 mm / 0.20 in |
| Throttle Cable Total Length | Approx. 1140 mm / 44.88 in |
| Throttle Cable Travel | Approx. 140 mm / 5.51 in |
| Main Material | Aluminum Alloy |
| Color | Silver |
| Starting Method | Recoil / Pull Start |
| Condition | New |
Key Features
- 2-Stroke Mini Engine Kit: Designed for selected 43cc–52cc mini powersports applications.
- 7-Tooth Gearbox: Includes a 7T output sprocket configuration for compatible drivetrains.
- Recoil Starting System: Pull-start assembly provides manual engine starting.
- Intake Components Included: Carburetor and air filter are included for a matching engine configuration.
- Multiple Fitment References: Mounting-hole spacing and throttle-cable dimensions help verify compatibility before ordering.
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