Universal Parts 11-Tooth Motor Sprocket - Razor MX350/MX400

Get your electric scooter or mini-chopper back in motion with the Universal Parts 11-Tooth Front Motor Sprocket. Designed for MY1016/MY1020-style small electric motors, this sprocket features a "Double-D" bore with two flat sides for a non-slip, keyed fit on the motor shaft. Precision-cut teeth ensure smooth #25 chain engagement and quiet, reliable power transfer.

Features

• Double-D Bore: Two flat sides (8.6mm apart) lock onto the motor shaft, preventing free-spinning under load.
• 11-Tooth Torque Profile: Ideal balance of low-end take-off torque and consistent top speed for small electric vehicles.
• #25 / #25H Chain Compatible: Fits the most common drive chain size used in electric powersports.
• Heat-Treated Steel: Resists tooth hooking and wear even with frequent stop-and-go use.

Specifications

• Tooth Count: 11
• Outer Diameter: 25.5mm
• Inner Diameter (flat to flat): 8.6mm
• Inner Diameter (round to round): 10mm
• Chain Size: #25 / #25H
• Part Number: 127-7

Model Fitment

Universal fit for 24V, 36V, and 48V electric motors (200W–500W) with Double-D shafts: