1. Introduction and Overview
Welcome to the Jasion JS3 PRO Electric Scooter user manual. This guide provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your new electric scooter. The JS3 PRO is designed for adults and youth, offering a convenient and enjoyable mode of transportation.
Key features include an upgraded front suspension system that effectively absorbs road shocks, ensuring a comfortable ride. Powered by a high-performance 850W peak motor, it can reach speeds of up to 25 MPH, making it suitable for daily commutes and urban mobility. The scooter is equipped with a 36V/10AH lithium battery, providing a maximum range of 25 miles on a single charge with a fast charging time of 5-6 hours. For added utility, it features a removable rear basket with a 45-pound capacity and a 9-inch wide non-slip deck. Safety is enhanced with turn signals and a dual braking system.

Figure 1: Jasion JS3 PRO Electric Scooter with Seat and Basket.

Figure 2: Overview of the Jasion JS3 PRO's key features including motor, speed, range, brakes, modes, and key start.
2. Setup and Assembly
The Jasion JS3 PRO Electric Scooter comes 80% pre-assembled, requiring minimal setup before its first use. Please follow these steps carefully.
2.1 Unpacking
- Carefully open the packaging and remove all components.
- Remove all protective foam and zip ties securing the scooter parts.
- Verify all parts are present according to the packing list in the instruction manual.

Figure 3: Included assembly tools and instruction manual.
2.2 Handlebar Installation
- Slide the handlebar into the main stem of the scooter.
- Locate the screw on the handlebar mount and tighten it securely using the provided tool to prevent movement.
- Adjust the handlebar to your preferred height and lock it in place using the quick-release lever.
2.3 Seat Installation
- Insert the seat post into the designated slot at the rear of the scooter.
- Adjust the seat height to a comfortable position for riding. The seat is adjustable to fit riders from 4'9" to 6'1".
- Secure the seat post by tightening the quick-release clamp.

Figure 4: The adjustable and comfortable seat of the JS3 PRO.
2.4 Rear Basket Attachment
- Align the rear basket with the mounting points on the scooter's frame.
- Use the provided screws and tools to securely attach the basket. Ensure all four screws are tightened.
- The basket features a convenient closing lid to secure your belongings.

Figure 5: The spacious and removable rear basket.
3. Operating Instructions
Familiarize yourself with the controls and features of your Jasion JS3 PRO Electric Scooter before riding.
3.1 Powering On/Off
- Insert the key into the ignition slot on the handlebar.
- Turn the key to the 'ON' position to power on the scooter. The digital display will illuminate.
- To power off, turn the key to the 'OFF' position.
3.2 Digital Display and Modes
The digital display shows your current speed, battery level, trip distance, and selected riding mode. The scooter offers three riding modes:
- Mode 1: Up to 9 MPH (approx. 9.3 MPH)
- Mode 2: Up to 18 MPH (approx. 18.6 MPH)
- Mode 3: Up to 25 MPH
Press the 'M' button on the display to cycle through the different riding modes.

Figure 6: The clear digital display showing speed, battery, and mode.
3.3 Acceleration and Braking
- To accelerate, gently twist the throttle on the right handlebar.
- The scooter features a dual braking system (front and rear disc brakes) for reliable stopping power. Squeeze the brake levers on the handlebars to engage the brakes.

Figure 7: The precision-stop dual disc brakes for enhanced safety.
3.4 Lights and Signals
- Turn on the headlight using the switch on the left handlebar for improved visibility during low-light conditions.
- Utilize the integrated taillight and turn signals for clear communication with other road users.
- The scooter also includes a horn for alerting pedestrians or vehicles.

Figure 8: Headlight and taillight for safe night riding.
3.5 Folding Mechanism
The JS3 PRO features a three-step folding design for easy storage and transport. This makes it convenient to carry in a car trunk or store in compact spaces.

Figure 9: The scooter's foldable and lightweight design for easy transport.
3.6 Official Product Video
Video 1: "Your commuting partner, Jasion JS3 Electric Scooter!" - This official seller video demonstrates the scooter's features, including riding, folding, and general usage scenarios, highlighting its convenience for daily commuting.
4. Maintenance
Regular maintenance ensures the longevity and optimal performance of your Jasion JS3 PRO Electric Scooter.
- Tire Pressure: Regularly check and maintain the recommended tire pressure for optimal ride quality and battery efficiency.
- Cleaning: Clean the scooter regularly with a damp cloth. Avoid using high-pressure water jets directly on electrical components.
- Battery Care: Charge the battery fully after each use. If storing for an extended period, charge it to 50-70% and recharge every 2-3 months to prevent deep discharge.
- Brake Inspection: Periodically inspect the brake pads and discs for wear. Adjust or replace as necessary to ensure effective braking.
- Fasteners: Check all screws and bolts regularly to ensure they are tight and secure.
5. Troubleshooting
If you encounter any issues with your Jasion JS3 PRO Electric Scooter, please refer to the following common troubleshooting tips. For more complex problems, contact customer support.
- Scooter Not Turning On: Ensure the key is fully inserted and turned to the 'ON' position. Check the battery level on the display.
- Loss of Power/Range: Verify the battery is fully charged. Extreme temperatures can affect battery performance. Check tire pressure.
- Brakes Not Responding: Inspect brake levers and cables for any damage or looseness. Check brake pads for wear.
- Unusual Noises: Check for loose components, debris in the wheels, or issues with the motor.
6. Specifications
| Feature | Specification |
|---|---|
| Brand | Jasion |
| Model Name | JS3 PRO Electric Scooter with Seat for Adults |
| Motor | 850W Peak Motor |
| Max Speed | 25 MPH |
| Max Distance Range | 25 Miles |
| Battery | 36V/10AH Lithium Battery |
| Charging Time | 5-6 Hours |
| Weight Limit | 300 Pounds |
| Item Weight | 59.5 Pounds |
| Product Dimensions | 50.8"L x 20.1"W x 44.1"H |
| Wheel Size | 14 Inches |
| Wheel Type | Pneumatic |
| Suspension Type | Front Suspension |
| Brake Style | Rear Braking, Front Braking (Dual Disc Brakes) |
| Frame Material | High-Carbon Steel |
| Included Components | Detachable Rear Basket, Manual, Assembly Tools, Electric Scooter, Scooter Battery |
7. Warranty and Support
Jasion is committed to providing a safe and satisfying riding experience. Your Jasion JS3 PRO Electric Scooter comes with a 1-Year Product Warranty.
For any problems or inquiries, please contact Jasion Ebike customer support. They strive to reply within 24 hours on working days.
You can find more information and support by visiting the Jasion Store on Amazon.