1. Producte acabatview
The Cyrusher XF650 is a robust electric fat tire bike designed for versatile terrain, including snow, sand, and mountain trails. It features a powerful 750W motor, a removable 48V/16Ah battery, and a Shimano 7-speed gear system, providing both electric assistance and traditional pedaling capabilities. This manual provides essential information for the safe assembly, operation, and maintenance of your e-bike.

Figura 1: Part frontal view of the Cyrusher XF650 Electric Fat Tire Bike, showcasing its robust frame, fat tires, and the included comfort saddle.
2. Informació de seguretat
Your safety is paramount. Please read and understand all safety warnings and instructions before operating the Cyrusher XF650. Failure to do so may result in serious injury or property damage.
- Portar un casc: Porteu sempre un casc de bicicleta homologat que us s'adapti correctament.
- Obeir les lleis de trànsit: Follow all local traffic laws, regulations, and signage.
- Comprovació prèvia a la conducció: Before each ride, inspect brakes, tires (pressure and condition), battery charge, and ensure all quick releases and fasteners are secure.
- Condicions meteorològiques: Aneu amb compte en condicions humides o relliscoses. La distància de frenada augmenta significativament.
- Visibilitat: Feu servir llums a la nit o en condicions de poca llum. Penseu en la possibilitat de portar roba reflectant.
- Límit de pes: Do not exceed the maximum weight capacity specified in the specifications section.
3. Contingut del paquet
Upon unpacking, verify that all components are present and undamaged. If any items are missing or damaged, contact Cyrusher customer support immediately.
- Cyrusher XF650 Electric Bike Frame
- Roda davantera
- Muntatge del manillar
- Tija de seient i selló
- Pedals (esquerra i dreta)
- 48V/16Ah Removable Lithium Battery
- Carregador de bateria
- Parafangs davanters i posteriors
- Bastidor posterior
- Kit d'eines
- Manual d'usuari
4. Muntatge i muntatge
Follow these steps to assemble your Cyrusher XF650 e-bike. It is recommended to have a second person assist with some steps.
- Desembalatge i inspecció: Carefully remove all packaging materials. Inspect the bike for any visible damage.
- Instal·lació del manillar: Attach the handlebar to the stem, ensuring it is centered and the bolts are tightened securely. Adjust the angle for comfortable riding.
- Instal·leu la roda davantera: Mount the front wheel into the fork dropouts. Ensure the disc brake rotor is correctly seated in the caliper. Secure with the quick release or axle nuts.
- Connectar els pedals: Identify the Left (L) and Right (R) pedals. The left pedal threads counter-clockwise, and the right pedal threads clockwise. Tighten firmly with a wrench.
- Install Seat Post and Saddle: Insert the seat post into the frame's seat tube. Adjust the height for comfortable leg extension while pedaling. Secure with the quick release lever.
- Install Fenders and Rear Rack: Attach the front and rear fenders, and the rear rack, using the provided hardware.
- Insereix la bateria: Slide the fully charged battery into its compartment on the frame. Ensure it clicks securely into place and lock it with the key.

Figura 2: Part posterior view of the Cyrusher XF650, highlighting the sturdy rear rack and fender, suitable for carrying cargo.
5. Instruccions de funcionament
5.1 Engegada/apagada
- Per encendre: Ensure the battery is locked in place. Press and hold the power button on the display unit for a few seconds until the screen illuminates.
- Per apagar: Press and hold the power button on the display unit until the screen turns off.
5.2 Funcions de visualització
The Cyrusher XF650 features a 3.7-inch extra-large center-mounted display that provides key riding information.

Figure 3: The Cyrusher XF650's 3.7-inch extra-large display is centrally positioned for improved visibility and riding safety compared to smaller, side-mounted alternatives.
- Velocitat: Velocitat actual de conducció.
- Nivell de bateria: Indica la càrrega restant de la bateria.
- Nivell d'assistència al pedaleig (PAS): Mostra el nivell actual d'assistència motora (0-5).
- Comptaquilòmetres/Distància del trajecte: Fa un seguiment de la distància total o de la distància actual del viatge.
- Codis d'error: Displays diagnostic codes if an issue arises.
5.3 Pedal Assist System (PAS) and Throttle
- Assistència de pedals: The motor provides assistance as you pedal. Use the '+' and '-' buttons on the control panel to adjust the PAS level (0 for no assist, 5 for maximum assist).
- Acceleració: The thumb throttle provides power on demand without pedaling. Use it cautiously, especially when starting.
5.4 Canviant de marxa
The Shimano 7-speed derailleur allows you to adjust your pedaling effort to different terrains and speeds.
- Use the shifter on the right handlebar to change gears.
- Shift to a lower gear (larger cog) for easier pedaling on inclines.
- Shift to a higher gear (smaller cog) for faster speeds on flat terrain.
5.5 Frenades
The XF650 is equipped with disc brakes for reliable stopping power.
- The right lever controls the rear brake, and the left lever controls the front brake.
- Apply both brakes simultaneously for optimal stopping power and control. Avoid sudden front braking, especially at high speeds.
6. Manteniment
Un manteniment regular garanteix la longevitat i el funcionament segur de la teva bicicleta elèctrica.
6.1 Cura de la bateria

Figura 4: Detallada view of the removable 48V/16Ah lithium battery, designed for easy charging and secure integration into the bike frame.
- Càrrega: Charge the battery fully before first use. Use only the provided charger. Do not overcharge.
- Emmagatzematge: Guardeu la bateria en un lloc fresc i sec. Si la guardeu durant períodes prolongats, carregueu-la al 50-70% cada 2-3 mesos.
- Neteja: Keep battery contacts clean and dry.
6.2 Pneumàtics
- Pressió dels pneumàtics: Maintain recommended tire pressure (PSI) as indicated on the tire sidewall. Fat tires typically require lower pressure for off-road use.
- Inspecció: Regularly check tires for wear, cuts, or embedded objects.
6.3 Transmissió
- Lubricació de la cadena: Mantingueu la cadena neta i lubricada per garantir un canvi suau i evitar l'oxidació.
- Ajust d'engranatge: If shifting becomes rough or inaccurate, the derailleur may need adjustment. Consult a bike mechanic if unsure.
6.4 Frens
- Brake Pad Wear: Regularly inspect brake pads for wear. Replace them when they are thin.
- Brake Lever Feel: If brake levers feel spongy, the hydraulic system may need bleeding or cable tension adjustment.

Figura 5: Detall view of the powerful 750W brushless motor integrated into the rear wheel hub, alongside the responsive disc brake system.
6.5 Neteja
Neteja la teva bicicleta elèctrica regularment amb anuncisamp cloth and mild soap. Avoid high-pressure washers directly on electrical components.
7. Solució De Problemes
Aquesta secció tracta els problemes habituals que podeu trobar. Per a problemes que no figuren aquí, poseu-vos en contacte amb l'atenció al client.
| Problema | Causa possible | Solució |
|---|---|---|
| La bicicleta no s'encén | Battery not charged or not properly seated/locked. Loose electrical connection. | Ensure battery is fully charged and securely locked. Check all visible cable connections. |
| El motor no ajuda | PAS level is 0. Brake levers engaged. Motor cable disconnected. | Increase PAS level. Release brake levers. Check motor cable connection. |
| Els frens es senten febles o sorollosos | Worn brake pads. Contaminated rotors/pads. Air in hydraulic lines. | Inspect and replace brake pads. Clean rotors/pads with disc brake cleaner. Consult a mechanic for hydraulic issues. |
| Les marxes salten o no canvien suaument | Derailleur out of adjustment. Dirty or dry chain. Bent hanger. | Clean and lubricate chain. Adjust derailleur. Inspect derailleur hanger for bends. |
8. Especificacions
Key technical specifications for the Cyrusher XF650 Electric Fat Tire Bike:
- Motor: Motor sense escombretes de 750 W
- Bateria: 48V/16Ah Removable Lithium Battery (16 Kilowatt Hours)
- Pneumàtics: 26'' x 4'' Fat Tires
- Engranatges: Shimano de 7 velocitats
- Velocitat màxima: Fins a 42 km/h
- Interval: 35-55 Miles per charge (depending on assist level, terrain, rider weight)
- Temps de càrrega: 4-7 hores
- Dimensions del paquet de l'article: 58 x 32 x 12 polzades
- Pes del paquet: 72 lliures
9. Vídeo oficial del producte
Mireu aquest vídeo per obtenir una informació detalladaview of the Cyrusher XF650's configuration and features.
Video: "Extrbici XF650 Configuration, details show" - This video provides a visual guide to the key components and operational aspects of the Cyrusher XF650 electric bike.
10. Garantia i Suport
Cyrusher provides a limited warranty for its electric bikes. Please refer to the warranty card included with your purchase for specific terms and conditions, including coverage period and exclusions.
For technical support, warranty claims, or to order replacement parts, please contact Cyrusher customer service through their official website or the retailer where you purchased the product. Keep your purchase receipt and serial number handy for faster service.
For the most up-to-date support information, please visit the official Cyrusher weblloc.