GOOFIT
GOOFIT Internal Rotor Stator Kit for 50cc–150cc Pit Dirt Bike
GOOFIT Internal Rotor Stator Kit for 50cc–150cc Pit Dirt Bike
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Product Overview
Upgrade your engine performance with the GOOFIT internal rotor stator kit. Designed for 50cc–150cc Chinese pit and dirt bikes, this high-performance ignition system reduces rotating mass by eliminating the traditional flywheel. The result is faster throttle response, quicker acceleration, and improved high-RPM performance—perfect for racing and performance builds.
Product Compatibility
| Engine Type | Displacement | Compatible Models |
|---|---|---|
| Horizontal Engine | 50cc | Mini Dirt Bikes, Pit Bikes |
| Horizontal Engine | 110cc | Chinese Pit Bikes |
| Horizontal Engine | 125cc | Pit Bikes, Dirt Bikes |
| Horizontal Engine | 140cc | Performance Pit Bikes |
| Horizontal Engine | 150cc | Racing/Modified Engines |
Note: Compatible with most Chinese engines using CDI ignition. Please verify wiring and dimensions before purchase.
Specifications
| Item | Details |
|---|---|
| Product Type | Internal Rotor Stator Kit |
| Ignition Type | CDI |
| Engine Range | 50cc–150cc |
| Rotor Type | Internal Rotor (Lightweight) |
| Material | Copper Windings + Steel Rotor |
| Performance Type | Racing / High Performance |
| Installation | Requires Wiring Setup (Diagram Included) |
Key Features
- Lightweight internal rotor design for faster acceleration
- Improves throttle response and high-RPM performance
- Eliminates heavy flywheel for reduced engine load
- Designed for racing and performance applications
- Compatible with a wide range of Chinese pit bikes
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Fitment FAQ
Will this part fit my specific model and year?
This magneto stator is intended for Engine Type; Displacement; Compatible Models; Horizontal Engine; 50cc; Mini Dirt Bikes, Pit Bikes. Key physical/spec details from the product data include 50cc, 150cc, 110cc. 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 magneto stator, also compare the OEM number, outer/inner diameter, core height or thickness, plug shape, wire count, mounting holes, pickup position, and rubber grommet style.
What models or situations does this part not fit?
Do not order this magneto stator for machines outside the listed compatibility, or for units with different plug layouts, pickup-coil positions, wire counts, stator diameters, or charging/ignition configurations. 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 OEM number, outer/inner diameter, core height or thickness, plug shape, wire count, mounting holes, pickup position, and rubber grommet style. Recheck listed specs such as 50cc, 150cc, 110cc. If any connector, mounting point, size, or year detail is different, confirm fitment before installation.