1. Ifihan
This manual provides essential information for the proper installation, operation, and maintenance of your Doinal Electric Twist Throttle. This universal throttle is designed for electric vehicles operating on 12V-72V electrical systems, including e-bikes, scooters, motorcycles, ATVs, and UTVs. It features a 3-speed control and a reverse function for enhanced maneuverability. Please read this manual thoroughly before use to ensure safe and efficient operation.

Figure 1.1: Doinal Electric Twist Throttle with 3-speed and reverse function.
2. Alaye Aabo
Always prioritize safety during installation and operation. Failure to follow these instructions may result in injury or damage to the product or vehicle.
- A ṣe iṣeduro fifi sori Ọjọgbọn: If you are unfamiliar with electrical systems, seek assistance from a qualified technician for installation.
- Ge asopọ agbara: Always disconnect the vehicle's power source (battery) before attempting any installation, maintenance, or wiring.
- Voltage ibamu: Ensure the throttle's voltage range (12V-72V) is compatible with your vehicle's electrical system.
- Awọn isopọ to ni aabo: Rí i dájú pé gbogbo àwọn ìsopọ̀ wáyà wà ní ààbò àti pé wọ́n ní ààbò tó yẹ láti dènà àwọn ìyípo kúkúrú.
- Handlebar Fitment: Ensure the throttle fits securely on standard 22mm handlebars. Loose components can affect control.
- Idaabobo Ayika: While the throttle is designed to be weather-resistant, avoid prolonged exposure to extreme weather conditions.
3. Package Awọn akoonu
Ni ṣiṣi package, jọwọ rii daju pe gbogbo awọn paati wa ati pe ko bajẹ:
- 1 x Handlebar throttle (with integrated 3-speed and reverse switches)

Figure 3.1: Product features and components.
4. fifi sori
The Doinal Electric Twist Throttle is designed for true plug-and-play installation, minimizing the need for cutting or splicing wires if your controller has compatible spade female connectors.
4.1 Handlebar iṣagbesori
- Ensure your vehicle's handlebars are standard 22mm (7/8 inch) in diameter.
- Carefully slide the throttle onto the right side of the handlebar.
- Secure the throttle firmly in place using any provided clamps or screws, ensuring it does not rotate freely.

Figure 4.1: The throttle is designed to fit standard 22mm handlebars.
4.2 Awọn isopọ onirin
The throttle includes a 150 cm (approx. 59 inch) wiring harness with pre-attached connectors. Identify the corresponding connectors on your vehicle's controller.
- Ìsopọ̀ pẹlẹbẹ: Connect the 3-pin throttle connector to your controller's throttle input. The wires are typically: +5V (red), GND (black), and Throttle Signal (green).
- 3-Iṣakoso iyara: Connect the 3-pin speed control connector. The wires typically correspond to Low Speed (brown), Mid Speed (purple), and High Speed (white).
- Iṣe Yipada: Connect the 2-pin reverse connector. The wires typically correspond to Reverse (blue) and Forward (yellow).
Akiyesi: The color of the 3-speed and reverse switch buttons may vary (red or black) but functionality remains the same.

Figure 4.2: Detailed wiring interface for throttle, 3-speed, and reverse functions.

Olusin 4.3: Example of wiring connections for the 3-speed throttle to a controller.
4.3 fifi sori Video
Video 4.1: Demonstration of the electric throttle with 3-speed and reverse functions. This video provides a visual overview of the product and its features, which can aid in understanding its installation and operation.
5. Awọn ilana Iṣiṣẹ
Once installed, the throttle provides intuitive control over your electric vehicle's speed and direction.
5.1 iyara Iṣakoso
- Isare: Twist the throttle grip towards you to increase speed. Release to decrease speed.
- Awọn Eto Iyara 3: Use the dedicated 3-speed switch (typically a button or rocker switch) to cycle between Low, Medium, and High-speed modes. Select the appropriate speed for your riding conditions and desired performance.
5.2 Reverse Function
- Activate the reverse function using the designated switch. This allows for improved maneuverability in tight spaces or when parking.
- Always ensure your surroundings are clear before engaging reverse.

Figure 5.1: The 3-speed and reverse control buttons.
6. Itọju
Regular maintenance ensures the longevity and reliable performance of your twist throttle.
- Ninu: Wipe the throttle clean with a damp cloth. Avoid using harsh chemicals or abrasive cleaners that could damage the ABS plastic housing or rubber grips.
- Awọn ayẹwo Asopọmọra: Ṣe àyẹ̀wò gbogbo àwọn ìsopọ̀ wáyà láti rí i dájú pé wọ́n wà ní ààbò àti pé wọn kò ní ìbàjẹ́.
- Iduroṣinṣin USB: Check the wiring harness for any signs of wear, fraying, or damage. Replace if necessary.
- Grip Condition: Ensure the high-quality rubber grips are not worn or damaged, maintaining a secure hold.

Figure 6.1: Throttle construction from ABS+PVC and high-quality rubber.
7. Laasigbotitusita
If you encounter issues with your throttle, refer to the following common troubleshooting steps:
- Fìtílà Kò Dáhùn:
- Ṣayẹwo gbogbo awọn asopọ onirin fun alaimuṣinṣin tabi ibajẹ.
- Verify the vehicle's power supply (battery) is charged and connected.
- Ensure the throttle's voltage range is compatible with your controller.
- Iṣakoso iyara ti ko ni ibamu:
- Inspect the 3-speed switch for proper function.
- Check for any obstructions preventing smooth throttle rotation.
- Reverse Function Not Working:
- Verify the reverse switch wiring connection.
- Ensure the reverse switch itself is not damaged.
Ti awọn iṣoro ba wa lẹhin titẹle awọn igbesẹ wọnyi, jọwọ kan si atilẹyin alabara.
8. Awọn pato
Detailed technical specifications for the Doinal Electric Twist Throttle.

Figure 8.1: Key parameters of the twist throttle.
| Ẹya ara ẹrọ | Ẹ̀kúnrẹ́rẹ́ |
|---|---|
| Ọkọ Iṣẹ Iru | Bike, Scooter, Motorcycle, ATV |
| Àwọ̀ | 3 SPEED THROTTLE (Button color may vary) |
| Brand | doinal |
| Ohun elo | Acrylonitrile Butadiene Styrene (ABS), PVC, High-Quality Rubber |
| Awọn iwọn Ọja (L x W) | 6"L x 4"W (approx. 152mm x 102mm) |
| Iwọn Nkan | 0.38 kg |
| Iwọn Ẹka | 1 Iṣiro |
| Awọn irinše to wa | Handlebar throttle |
| Item Highlight | Forward and Reverse Accelerator |
| Mabomire Rating | IPX3 |
| Ifọwọsi | ROHS |
| Ṣiṣẹ Voltage | 5V |
| O wujade Voltage | 0.8-4.2V |
| Awọn iwọn otutu ti nṣiṣẹ | -20°C si 60°C |
| Waya ẹdọfu | ≥130N |
| Spin Intensity | ≥9N.M |
| Iduroṣinṣin | 100,000 ibarasun iyika |
| Ijinle ibamu | 107mm |
| Pulling-out Force | ≥150N |

Figure 8.2: Physical dimensions of the twist throttle.
9. atilẹyin ọja Information
The Doinal Electric Twist Throttle comes with a 2-osu atilẹyin ọja from the date of purchase. This warranty covers manufacturing defects under normal use. It does not cover damage resulting from improper installation, misuse, accidents, or unauthorized modifications. Please retain your proof of purchase for warranty claims.
10. Onibara Support
For any questions, technical assistance, or warranty claims, please contact Doinal customer support through the platform where you purchased the product. Provide your order number and a detailed description of the issue for prompt assistance.
You can also visit the official Doinal store for more information and related products: Doinal Store