BY 05 Installation video
No.1: Laying the Main Wiring Harness and Front Brake Cable
Note: This cable is for the front brake and features a "one-pull three-brake cutoff" system. It does not require distinguishing between front and rear when laying it. Once installed, it enables the brake power-cutoff function.
Step 1: Lay the main wiring harness. Ensure the rear end of the harness has a split connector that branches into two lines, while the front end remains a single continuous cable with no branches.
Step 2: Install the front brake cable. Insert the brake cable screw through the designated hole and tighten it securely.
Next, attach the brake return spring. Thread the short end of the spring through the small hole on the brake cable and the long end through the two holes at the rear. Twist the spring wire a few times to ensure it is firmly secured and won’t come loose.
Test the brake lever: the spring should recoil when pressed, indicating the brake cutoff system is functioning properly.
When connecting the cables, ensure the male and female connectors are matched correctly. A foolproof design prevents incorrect connections.
Move to the opposite side of the tricycle. Take a large spring, insert the short end through the front hole and the long end through the rear hole. Slightly bend the spring to achieve the correct angle — not too tight or too loose.
Then install the front brake hook.
Unscrew the bolt from the brake hook and keep it in place.
Attach the hook by threading it through the mounting hole and re-tighten the bolt.
Pass the other end of the cable through the hole and secure it.
Insert the brake cable through the hole, tighten the screw, and hook the front-end hole onto the brake hook.
Place a washer and secure it with steel wire, twisting it tight.
Once the rest of the vehicle is assembled, the front brake will function properly when the hook is moved.
Finally, screw on the protective cap at the end of the brake hook to complete this step.
No.2 Installing Leaf Springs and Rear Axle with Motor(283)
Step 1: Install the leaf springs. Use the mounting plate, U-bolts, and flat plates for assembly. Insert the threaded rods through the holes and lightly fasten the nuts—do not fully tighten yet.
Step 2: Insert the long linkage and its rubber sleeve into the designated hole. Then, position the rear axle with motor. Before placement, insert the rubber bushing into the hole, then align and insert the 17D threaded rod into the mounting hole. Make sure the rear axle aligns properly with the linkage. Once aligned, slide on the protective soft sleeve and install the connecting plate. Fasten it with nuts and tighten the bolts between the motor and the mounting plate using a wrench.
Step 3: Secure the motor to the mounting plate completely. Tighten all nuts to ensure a stable and secure fit.
No.3 Rear Brake Hook Installation(284)
Step 1: The installation method for the rear brake hook is the same as the front brake hook. First, disassemble the hook for preparation. Slide the threaded rod through the hole, then insert the rear hook onto the rod. Pay attention to the mounting angle. Install the nut. It’s important to adjust the brake gap properly—when manually pressing the hook halfway, it should lock into place. The tightness of the front nut depends on the required clearance at the rear.
Step 2: Install the washer and snap ring. After the hook is in place, install the washer followed by the snap ring. Gently tap them in using your hand or a tool. Test the brake function: when the brake lever is lifted, the vehicle should brake immediately. Once tested and adjusted, secure all parts.
No.4-Install Rear Wheels(285)
Step 1: Remove the nuts from the wheel hub and set them aside.
Step 2: Align the rear wheel with the axle and slide it into place. Secure it by tightening the nuts with a wrench.
Step 3: Once the wheels are installed, the chassis assembly is complete. Flip the vehicle over to proceed with the next steps.
No.5-Install Handbrake, Driver Seat, and Gear Lever(299)
Step 1: Insert the gear lever into the reserved mounting hole. Adjust the angle, then tighten the fixing screws. Insert the long threaded rod through the bracket and secure it with a nut.
Step 2: Install the driver’s seat. Place the seat on top of the seat bucket, align it with the mounting holes, and fasten it securely with screws to ensure stability
No.6-Install Seat Base and Handbrake Cable + Connect Controller Harness(286)
Step 1: Install the Seat Bucket
Turn the vehicle over and place the seat bucket in the designated position. Align the four mounting holes and secure it with screws. Make sure that flipping the seat up or down does not interfere with the handbrake function.
Step 2: Install the Handbrake Cable
Insert the handbrake cable through the reserved hole next to the hook. Route the cable along the vehicle frame and secure it at the rear brake position with screws. Ensure the cable is firmly fastened and the handbrake operates smoothly.
Step 3: Install the Front Backrest
Attach the front backrest using the iron connector block. Fix it to the vehicle frame with 8 screws.
Step 4: Install the Controller
Place the controller in the designated mounting slot. Use threaded screws to fix it through the reserved holes. Tighten with either electric or manual tools. Once secured, proceed to connect the wiring.
Step 5: Taillight Installation and Wiring
The taillight has three wires for brake light, turn signals, and driving light. Each wire is color-coded (e.g., white, blue, red). The connectors are designed with anti-reverse features—incorrect connections will not fit. Match the colors and plug in, then secure the taillight with screws.
Step 6: Controller Main Cable Connection
Connect the controller output cables to the vehicle's main wiring harness. Each plug is one-to-one matched and cannot be connected incorrectly. Follow these steps:
Controller main cable → Main wiring harness
Red, blue, green, etc. → Match by color
Horn and reverse camera cables → Plug into reserved ports and secure
Step 7: Connect Battery Power Cables
The battery has two power cables: red for positive and black for negative. Connect them according to color. Details:
Two red wires to positive, two black wires to negative
All colored plugs must be matched (e.g., blue to blue, green to green, yellow to yellow)
Anti-reverse plug design ensures wrong connections cannot be inserted Unused plug
No.7-Front Compartment Wiring Connections(287)
Step 1: Connect Headlight and Turn Signal Wires
The headlight wiring consists of two symmetrical cables, each with two identical plugs. The turn signal wiring is visually similar and also symmetrical. Simply match and connect the plugs to complete the setup.
Step 2: Connect the Horn Wire
The horn wire consists of two flat metal connectors. It does not require polarity matching—just insert both connectors into their corresponding sockets.
Step 3: Connect the Wiper Wire
The wiper wire is a long cable with a slanted plug, clearly longer than other wires. The connector has a unique shape and cannot be inserted incorrectly. It will be connected later during the wiper installation.
Step 4: Connect the Converter Wire
The converter wire has a triangular (tower-shaped) plug with an anti-reverse design. It can only be inserted in the correct orientation. This wire is located in the front compartment—ensure it is fully plugged in.
Additional Note:
All of the above wires were routed into position when the main harness was laid out. At this stage, the major wiring in the front compartment—horn, headlights, turn signals, wiper, and converter—has been prepared and is ready for connection.
No.8-Install Wiper Motor(288)
Step 1: Prepare for Wiper Installation
Ensure the wiper mounting screw is ready. Pull the wiper wire through the designated opening. The routing of the wire can be adjusted as needed—what matters is that it passes through smoothly without obstruction.
Step 2: Install the Wiper Assembly
Place the wiper in its designated position and align it with the mounting hole. The lower arm section has one mounting screw hole—secure the wiper with a screw.
Fixing Check: Confirm the screw is tightened properly and the wiper is firmly secured. Once done, proceed to the next step.
No.9-Main Wiring Harness Connection Instructions – Summary(290)
Conduit Wire Connection
In addition to the headlight wires, there are two more wires connected to the conduit. These wires have two terminals each—simply plug them into the matching ports to complete the connection.
Headlight Wire Routing and Fixing
Once the headlight wires are laid out, they should be routed underneath the designated clips. Secure them by snapping the clips into place, including any surrounding clips. This ensures the wires remain stable and do not move or loosen during vehicle operation.
Main Cable Connection
There are three main wires in this area, each with a different color, corresponding to different connectors. Simply plug them in to complete the connection. All connectors are also designed with anti-reversal features and cannot be inserted incorrectly.
Power Cable Connection
The power cable includes one red and one blue wire. These should be connected to the corresponding two terminals on the main wiring harness. Align the connectors and plug them in firmly.
Unused Ports
Some ports may remain unused. These do not need to be connected and can be left as is.
Horn and Reverse Camera
A horn wire is also located here. The horn will be mounted at a designated position at the front and secured with a zip tie. There is also a reverse camera module that is not yet connected and will be installed later.
Wire Organization and Securing
After all wiring is complete, secure the cables with zip ties. Make sure to fix the wires in locations that do not interfere with other vehicle components, ensuring all wiring is neat, secure, and stable.
No.10-Install Front Hydraulic Shock Absorbers + Front Wheel + One-Pull Three-Brake Cable(291)
Step 1. Installation of Front Hydraulic Shock Absorber
Install Upper and Lower Bearings:
Gently tap the bearing sleeves into place (a rubber mallet is recommended). Then insert the hydraulic shock absorber from bottom to top through the mounting hole, ensuring smooth passage.
Tighten Upper Cap Screws:
Install the two upper cap screws and tighten them securely to ensure firm fixation at the top.
Step 2. Installation of Front Fender (Mudguard)
Align the upper fender with the designated mounting holes. The holes on both sides should be symmetrical.
Use 12 mm screws to fix the fender in place (10 mm screws are not suitable). Make sure all screws are tightened securely.
Step 3. Installation of the Front Wheel
Align the front drum brake with the curved fork structure and fit it into position.
Insert three spacers onto the right side axle, and four spacers onto the left side axle of the front wheel.
Lift the entire front wheel and align it with the mounting slots on both sides of the frame. The spacers ensure proper centering and secure fit.
If the axle does not slide in completely, use a rubber mallet to gently tap it into place.
Do not force it if it doesn’t fit—check for misalignment or improper drum brake positioning. After confirmation, proceed with installation.
Once the axle is properly in place, tighten the nuts on both sides to secure the wheel.
Step 4. Installation of One-Pedal Three-Brake Cable (Linked Brake System)
Connect the Brake Cable:
Hook the "one-pedal three-brake" cable into the designated hole on the brake pedal and secure it with screws.
Function Check:
Press down the foot brake to check if the front wheel responds. If the braking is effective, the installation is complete.
This system allows simultaneous braking at three points when the foot pedal is pressed, ensuring safety and stability.
No.11-Install Handlebar(316)
Step 1. Prepare Handlebar Components
Gather all handlebar-related parts, including the throttle (twist grip), brake levers, and control buttons (horn, forward/reverse switch, high/low speed switch).
Wire Routing
Route all wiring through the inside of the handlebar. Ensure the main wires and left/right control wires are properly passed through the handlebar interior to avoid exposed or tangled wires.
Step 2. Install Left-side Components
Install the horn button and left brake lever (also called the “fixed grip”) on the left side.
Push the fixed grip all the way in and secure it tightly.
Connect the horn wire to the horn button module.
Step 3. Install Right-side Components
Install the throttle, forward/reverse switch, and high/low speed switch on the right side.
Push the throttle grip all the way in and secure it firmly with screws.
Step 4. Adjust Handlebar Angle
Adjust the handlebar angle according to riding preference. Typically, the handlebar should be positioned for a natural hand grip and clear front view during riding.Handlebar Installation Complete
No.12-Installation of the Handlebar on the Vehicle Frame(293)
Step 1: Align the locking hole on the upper beam plate, insert and tighten the locking screw, then cover with the cap and secure it. Since the parts are disassembled for transport, gently tap them into place if necessary to ensure a tight fit.
Step 2:Insert the handlebar into the corresponding mounting hole, adjust the angle as needed, and tighten the screws to secure it firmly.
Step 3: Insert the meter into its designated position, ensuring the connector is firmly plugged in. Push it gently into place. First, secure the meter base, then install the meter display unit and tighten the screws to ensure stability.
No.13-Install Dashboard(294)
Step 1: Install the meter.
After positioning the meter correctly, ensure its connector aligns with the socket.
Step 2: Connect the meter wiring harness.
Plug the meter connector into the corresponding connector of the main wiring harness. Make sure the connection is secure, properly aligned, and not loose to avoid poor contact.
No.14-Wiring for Dashboard + Three-Speed Switch + Headlight Switch(296)
Step 1: All wiring from the handlebar is gathered here, including the meter cable, three-speed gear cable (forward/reverse, high/low gear), and headlight switch cable.
Step 2: Plug the meter connector into the matching socket. Ensure the connection is secure.
Step 3: The three-speed wiring includes three wires. Pay special attention to match the blue wire with the blue connector. All plugs are designed with foolproof features—incorrect connections won’t fit.
Step 4: Only one connector remains for the headlight switch. Plug it in to complete the basic wiring.
Step 5: There is one flat-head wire used for the taxi (ride-hailing) function. Route it out of the vehicle body. Connect it later if the function is required.
No.15-Fasten Passenger Seat Screws(300)
Tighten all screws required for the passenger seat one by one, ensuring the seat is firmly secured and stable without any looseness.
No.16-Tighten Screws on Cargo Box Support Brackets(301)
Step 1: Observe the roof structure — it features an embedded glass design.
Step 2: All glass panels are secured using adhesive (glass glue), and this process is completed before shipping.
Step 3: The front section of the roof uses a curved beam structure to hold the glass in place. Since the glass is already firmly bonded to the frame during assembly, there is no need to disassemble or adjust it during installation.
No.17-Place Cargo Box Brackets in Rear Compartment and Tighten Screws(302+305)
Step 1: First, check the position of the rack to ensure it is correct;
Step 2: Prepare two screws with model number 1017, length 17mm, and diameter 4.8mm;
Step 3: Insert the screws through the designated holes, ensuring not to go through the back holes;
Step 4: Adjust the rack to ensure it is vertical and centered. Two people should help lift the rack into position;
Step 5: The installation method is the same for both sides. Insert the screws and adjust the position;
Step 6: Press down one side of the screw while slightly lifting it by about 1 cm to align with the screw hole;
Step 7: Reach inside to tighten the screws, using your fingers to adjust the screw position externally.
Screw Installation and Adjustment
Step 1: Use screws with model C480, diameter 4.8mm, and ensure the screw holes align properly;
Step 2: Insert the screws into the designated position and check if the screw holes are completely aligned;
Step 3: Prepare four screws, two with large heads and two with small heads, and place them in the correct positions;
Step 4: Temporarily place the screws at the back, ensuring that all screw holes are correctly aligned before tightening;
Step 5: Double-check all screws to make sure they align with the holes and are installed correctly.
No.18-Install Wiper Assembly(304)
Step 1: Install the wiper into place;
Step 2: Secure it with screws to ensure it's fixed properly;
Step 3: Complete the installation of the wiper and check if it's properly assembled.
No.19-Install Bumper(306)
Step 1: Confirm the installation direction and position to ensure it's correct;
Step 2: There's no need to overthink it—adjust as needed and secure the parts properly;
Step 3: Once the components are installed, discard any unnecessary parts that are no longer required;
Step 4: Ensure the same procedure is followed as during the disassembly;
Step 5: If the board is installed incorrectly, adjust it immediately to ensure proper alignment.
No.20-Install Seat Cushion(307+308)
First, identify and match the position of each seat cushion. Then check the screw holes on each cushion. The vehicle frame already has pre-drilled holes—simply align the seat cushions with the corresponding holes and secure them using the provided screws. Install all three seat cushions in sequence, ensuring they are firmly fixed and stable.
Ensure that all three screw holes are properly secured. For each screw, simply align it with the hole and tighten. Both sides must be firmly fastened to ensure the seat cushion is stable and does not loosen.
The installation method for the rear seat cushion is the same. Follow the same steps to fasten the screws at the rear. Once installation is complete, verify that each point is securely fixed, ensuring the entire seat cushion is firmly in place.
No.21-Install Luggage Rack Panel(309)
First, insert the pin into the connecting hole, aligning it accurately with the slot. Make sure to match the holes at the two bottom corners, and push the pin all the way through. Once fully inserted, the spring will automatically pop out to lock it in place, indicating proper installation.
Next, snap the panel into position.
No.22-Install Luggage Rack Support (311+314)
Installing the Hydraulic Rod:
If force is insufficient during installation, it is recommended to use a flathead screwdriver to gently press down the bracket area to assist with insertion. The screwdriver can be taken from the toolbox and used to push the bracket into place smoothly. Once the hydraulic rod is properly installed, the luggage rack panel can be supported in an open position and function as a stabilizing stand.
Then, use lock pins to secure both ends of the hydraulic support rod. During installation, simply lift the support slightly—once released, it will automatically return to position thanks to the built-in spring mechanism. The structure is self-rebounding, making the operation simple and convenient.
No.23-Install Taxi Light(310)
Step 1: Connect the wires to the light fixture;
Step 2: The wires have no polarity, and can be connected in either direction;
Step 3: The wires and light fixture are identical, no need to distinguish positive and negative;
Step 4: The light fixture has a magnetic attachment feature, allowing for easy movement and installation.
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