24V 150W Electric Scooter Motor with 9 Tooth Chain Sprocket

In this review of the 24V 150W Electric Scooter Motor with a 9 tooth 25H chain sprocket, the bottom line is straightforward: this is a practical, low-cost replacement for chain-drive scooters and small electric dirt bikes that need reliable torque and compact packaging. Our review finds it best suited to riders and tinkerers who want a drop-in chain-drive motor with a high rotational speed and decent efficiency; the 2750 rpm rated speed and 0.52 N.m torque make it a good match for light vehicles and DIY projects.

Key Features

• 24V 150W rating: Provides enough continuous power for small scooters and light electric dirt bikes without requiring an oversized controller.
• 9 tooth 25H chain sprocket included: Ready for chain-drive installations so users do not need to source a separate sprocket for common conversions.
• 2750 rpm rated speed: High rotational speed helps the vehicle accelerate quickly and maintain a brisk cruising pace on flat or gently rolling terrain.
• Compact metal and aluminum alloy build: The sturdy case and alloy components offer good wear resistance and improved heat dissipation for longer service life.
• CW/CCW rotation capability: Reversing the power wires allows installation flexibility for different drive layouts and mounting orientations.
• 78% operational efficiency: Minimizes energy loss compared with lower-efficiency brushed motors, extending runtime for a given battery capacity.

Who It's For

This motor is aimed at DIY mechanics, scooter owners with chain-drive models, and small electric vehicle hobbyists who need an affordable, compact replacement motor that includes a sprocket and straightforward electrical hookup. It is also useful for builders making custom lightweight robots or mini electric bikes that operate on 24V systems.

Those who should look elsewhere include owners of belt-driven scooter models or riders expecting very high torque for steep, sustained climbs; the chain sprocket means it is not compatible with belt-drive E100 series scooters without modification, and the 0.52 N.m torque suits light to moderate loads rather than heavy-duty applications.

Pros & Cons

Pros

• Compact 112mm case with an included 9 tooth 25H sprocket makes chain-drive swaps simple.
• High rated speed of 2750 rpm and 78% efficiency give responsive acceleration and reasonable runtime.
• Durable metal and aluminum alloy construction helps with heat dissipation and longevity.
• Supports both clockwise and counterclockwise rotation by reversing wires for installation flexibility.

Cons

• As a brushed motor, it requires more maintenance and has lower longevity compared with comparable brushless options.
• Torque (0.52 N.m) is modest, so it may struggle on very steep hills or with heavier riders.

Specifications

Rated voltage	24V
Power	150W
Rated speed	2750 rpm
Rated torque	0.52 N.m
Rated current	7.15A
Case length / diameter	112mm / 68mm
Shaft / sprocket	24mm length, 8mm diameter / 9 tooth 25H

Our Verdict

For anyone replacing a chain-drive motor on a small scooter or building a compact 24V electric project, this 150W brushed motor is a practical, value-oriented choice. It pairs a ready-to-install sprocket with a durable metal housing, responsive 2750 rpm performance and reasonable efficiency, though those wanting minimal maintenance or high-torque hill performance should consider brushless or higher-power alternatives.

Frequently Asked Questions

Will this motor fit belt-drive scooters?
No. This motor is supplied with a 25H chain sprocket and is intended for chain-drive installations; belt-drive models will require a different motor or additional adapters.

Can the motor spin both directions?
Yes. Reversing the motor power wires changes rotation from clockwise to counterclockwise for installation flexibility.

Is this motor suitable for heavy riders or steep hills?
It has a modest rated torque of 0.52 N.m, so it is best for light to moderate loads; heavy riders or steep, sustained climbs may need a higher-torque unit.