1. Uvod
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. Sigurnosne informacije
Uvijek dajte prioritet sigurnosti tijekom instalacije i rada. Nepoštivanje ovih uputa može rezultirati ozljedama ili oštećenjem proizvoda ili vozila.
- Preporučena profesionalna instalacija: If you are unfamiliar with electrical systems, seek assistance from a qualified technician for installation.
- Prekid napajanja: Always disconnect the vehicle's power source (battery) before attempting any installation, maintenance, or wiring.
- Voltage Kompatibilnost: Ensure the throttle's voltage range (12V-72V) is compatible with your vehicle's electrical system.
- Sigurne veze: Provjerite jesu li svi spojevi ožičenja sigurni i pravilno izolirani kako biste spriječili kratki spoj.
- Handlebar Fitment: Ensure the throttle fits securely on standard 22mm handlebars. Loose components can affect control.
- Zaštita okoliša: While the throttle is designed to be weather-resistant, avoid prolonged exposure to extreme weather conditions.
3. Sadržaj paketa
Nakon otvaranja paketa, molimo provjerite jesu li sve komponente prisutne i neoštećene:
- 1 x Handlebar throttle (with integrated 3-speed and reverse switches)

Figure 3.1: Product features and components.
4. Instalacija
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 Montaža upravljača
- 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 Spajanje ožičenja
The throttle includes a 150 cm (approx. 59 inch) wiring harness with pre-attached connectors. Identify the corresponding connectors on your vehicle's controller.
- Priključak gasa: Connect the 3-pin throttle connector to your controller's throttle input. The wires are typically: +5V (red), GND (black), and Throttle Signal (green).
- Kontrola 3 brzina: Connect the 3-pin speed control connector. The wires typically correspond to Low Speed (brown), Mid Speed (purple), and High Speed (white).
- Obrnuta funkcija: Connect the 2-pin reverse connector. The wires typically correspond to Reverse (blue) and Forward (yellow).
Bilješka: 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.

Slika 4.3: Nprample of wiring connections for the 3-speed throttle to a controller.
4.3 Video instalacija
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. Upute za rad
Once installed, the throttle provides intuitive control over your electric vehicle's speed and direction.
5.1 Kontrola brzine
- Ubrzanje: Twist the throttle grip towards you to increase speed. Release to decrease speed.
- Postavke 3 brzine: 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 Funkcija obrnutog hoda
- 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. Održavanje
Regular maintenance ensures the longevity and reliable performance of your twist throttle.
- Čišćenje: 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.
- Provjere veze: Povremeno pregledavajte sve spojeve ožičenja kako biste bili sigurni da su sigurni i bez korozije.
- Integritet kabela: 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. Rješavanje problema
If you encounter issues with your throttle, refer to the following common troubleshooting steps:
- Throttle Not Responding:
- Provjerite sve spojeve ožičenja na labavost ili oštećenja.
- Verify the vehicle's power supply (battery) is charged and connected.
- Ensure the throttle's voltage range is compatible with your controller.
- Nedosljedna kontrola brzine:
- Inspect the 3-speed switch for proper function.
- Check for any obstructions preventing smooth throttle rotation.
- Funkcija obrnutog kretanja ne radi:
- Verify the reverse switch wiring connection.
- Ensure the reverse switch itself is not damaged.
Ako problemi potraju i nakon što ste poduzeli ove korake, obratite se korisničkoj podršci.
8. Specifikacije
Detailed technical specifications for the Doinal Electric Twist Throttle.

Figure 8.1: Key parameters of the twist throttle.
| Značajka | Detalj |
|---|---|
| Vrsta usluge vozila | Bike, Scooter, Motorcycle, ATV |
| Boja | 3 SPEED THROTTLE (Button color may vary) |
| Marka | doinal |
| Materijal | Acrylonitrile Butadiene Styrene (ABS), PVC, High-Quality Rubber |
| Dimenzije proizvoda (D x Š) | 6"L x 4"W (approx. 152mm x 102mm) |
| Težina artikla | 0.38 kg |
| Broj jedinica | 1 Broj |
| Uključene komponente | Handlebar throttle |
| Item Highlight | Forward and Reverse Accelerator |
| Ocjena vodootpornosti | IPX3 |
| Odobrenje | ROHS |
| Radna svtage | 5V |
| Izlazni voltage | 0.8-4.2 V |
| Radna temperatura | -20°C do 60°C |
| Napetost žice | ≥130N |
| Spin Intensity | ≥9N.M |
| Izdržljivost | 100,000 ciklusa parenja |
| Dubina ugradnje | 107 mm |
| Pulling-out Force | ≥150N |

Figure 8.2: Physical dimensions of the twist throttle.
9. Informacije o jamstvu
The Doinal Electric Twist Throttle comes with a Jamstvo 2 mjeseci 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. Korisnička podrška
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