If you’re upgrading a Razor E100, MX125, or similar small electric scooter or mini bike, a reliable 24V 100W brushed motor can boost speed, torque, and overall performance. This guide highlights five compatible motors, detailing size, shaft, sprocket compatibility, and heat dissipation features. Each option emphasizes durability, efficiency, and easy mounting for DIY projects. Use the buying guide below to compare fit, mounting hole spacing, shaft size, and sprocket compatibility to choose the best motor for your setup.
| Product | Brand | Power | Key Features | Mounting Notes |
|---|---|---|---|---|
| 24V 100W Electric Scooter Motor with 7 Tooth 25H Chain Sprocket MY6812 | Unknown | 100W | 2700rpm, 0.35N.m torque, 78% efficiency, 8mm shaft, 36mm hole distance | 8mm shaft, M5 mounting screws, 36mm fixed-hole spacing |
| Joyzan Wheel Brush Motor, 24V 100W | Joyzan Store | 100W | Aluminum body, 68mm diameter, 100mm length, 25H sprocket, 9-tooth | Sprocket 25H, 36mm fixed-hole spacing |
| Alomejor 24V 100W Brushed Motor High Speed | Alomejor Store | 100W | Universal fit, 68mm diameter, 100mm length, 8mm shaft diameter, 36mm mounting hole spacing | 9-tooth 25H sprocket standard |
| 24V 150W Electric Scooter Motor with 7 Tooth 25H Chain Sprocket MY6812 | Unknown | 150W | 2750rpm, 0.52N.m torque, 78% efficiency, 8mm shaft, 36mm hole spacing | 8mm shaft, M5 screws, compatible with 36mm mounting |
| Electric Motor 24V 200W, MY6812 with Belt Pulley | Tbest Store | 200W | 100mm length, 68mm diameter, 28mm shaft, 36mm mounting, 9-tooth pulley | 8-12mm shaft options; 25H sprocket included |
24V 100W Motor With Sprocket For Razor MX125
This 24V 100W motor includes a 7-tooth 25H chain sprocket for chain-driven installations. It features a DC brush design with an official speed around 2700rpm and torque near 0.35N.m. The motor housing measures approximately 3.9 inches long and 2.7 inches in diameter, with a 22mm drive shaft. Mounting holes are spaced at 36mm and accept M5 screws. The motor is built for durability with an enhanced heat-dissipation path and a robust 8mm shaft to resist wear in active riding conditions. This makes it a practical upgrade for Razor MX125 and similar setups.
Joyzan 24V 100W Wheel Brush Motor
The Joyzan 24V 100W wheel brush motor uses a high-quality aluminum body for stability and longevity, paired with a belt pulley for smooth transmission. It has a compact 100mm length and 68mm diameter, with an 8mm shaft and a 36mm fixed-hole spacing for mounting. The 25H sprocket (9-tooth) aligns well with standard small-wheel scooters and bike builds, delivering reliable speed with solid torque. The brushed design offers straightforward maintenance and broad compatibility for electric scooters, mini bikes, and go-carts.
Alomejor 24V 100W Brushed Motor With Belt Pulley
This universal brushed motor from Alomejor features a metal belt pulley for enhanced strength and durability. The motor length is 100mm and diameter 68mm, with a shaft length of 28mm and 8mm shaft diameter. The fixed-hole distance is 36mm, and it includes a 9-tooth, 25H sprocket. Designed to fit a broad range of scooters, mopeds, ATVs, and dirt bikes, this motor offers reliable performance and straightforward mounting for DIY enthusiasts.
24V 150W Electric Scooter Motor With Sprocket Upgrade
This 150W upgrade uses a MY6812 design with a 7-tooth 25H chain sprocket for chain drive. The motor reaches about 2750rpm and 0.52N.m torque, optimized by a high-efficiency design to minimize energy loss. The motor housing measures roughly 4.4 inches in length and 2.7 inches in diameter. The drive shaft is 0.9 inches long with a 8mm shaft, suitable for Razor E100 and MX125 type builds, delivering stronger acceleration and better hill performance. Heat dissipation is enhanced by a durable metal housing, helping longevity in warm riding conditions.
Electric Motor 24V 200W With Belt Pulley
Although rated higher at 200W, this motor shares the same compact footprint as the 100W variants. Constructed from premium aluminum, it includes a robust metal belt pulley for strong belt-driven applications. With a 100mm motor length, 68mm diameter, and a 28mm shaft length, it fits a wide range of scooters and dirt bikes. The 36mm fixed-hole spacing accommodates common mounting patterns, and the 9-tooth 25H sprocket keeps compatibility with standard gear setups. This option offers additional power for riders seeking quicker starts and higher sustained speeds.
Buying Guide: Key Purchase Considerations And Comparisons
Motor selection should balance power, weight, compatibility, and durability. Consider these factors to choose the best 24V 100W motor for your scooter project:
- Power and Torque: 100W is common for small scooters; if you need more acceleration or climbing ability, compare 150W or 200W options while confirming voltage compatibility.
- Shaft And Mounting: Confirm shaft diameter (most are 8mm) and mounting hole spacing (commonly 36mm). Check screw size (M5) and whether additional brackets are required.
- Sprocket Compatibility: Sprocket tooth count (9-tooth or 7-tooth) and 25H standard affect chain compatibility with your drivetrain.
- Heat Dissipation: Aluminum housings and venting improve longevity under extended use. Heavier builds may impact weight-sensitive designs.
- Durability And Build: Look for reinforced shafts, robust bearings, and high-quality magnets for longer service life in outdoor conditions.
- Fitment Scope: Some motors advertise universal fits for scooters, mopeds, ATVs, and pocket bikes; verify your exact model’s mounting pattern and electrical connections.
- Maintenance: Brush motors are generally easier to service, with replaceable brushes and simple windings, but consider motor age and pedal torque demands.
This selection emphasizes motors that share a common 24V system and similar physical footprints to ease upgrades on compact scooters and mini bikes. When choosing, map your current drivetrain: motor mounting holes, shaft diameter, sprocket type, and available space around the battery and controller. If you plan to upgrade from a stock motor, verify the controller’s current rating to avoid overheating or electrical mismatches. For best results, pair a 24V 100W class motor with a compatible controller, chain drive, and a properly sized sprocket to maintain efficient performance and ride quality.