1. Introducció
Thank you for choosing the XtremepowerUS 40cc 4-Stroke Gas Pocket Bike. This manual provides essential information for the safe assembly, operation, maintenance, and troubleshooting of your new mini motorcycle. Please read this manual thoroughly before operating the product and retain it for future reference. Proper use and maintenance will ensure optimal performance and longevity of your pocket bike.
2. Informació de seguretat
WARNING: Operating this product can be dangerous. Always wear appropriate safety gear, including a helmet, eye protection, gloves, and protective clothing. Adult supervision is required for riders under 16 years of age. This product is not intended for use on public roads or highways.
- Equip de protecció: Always wear a DOT-approved helmet, eye protection, gloves, long sleeves, long pants, and sturdy shoes.
- Supervisió: Children and inexperienced riders must be supervised by a responsible adult.
- Entorn de funcionament: Operate only in safe, open areas away from traffic, pedestrians, and obstacles. Avoid uneven terrain, loose surfaces, and steep inclines.
- Límit de pes: Do not exceed the maximum weight capacity of the bike. Refer to specifications for details.
- Manipulació de combustible: Gasoline is highly flammable. Refuel in a well-ventilated area with the engine off and cool. Do not smoke or allow open flames near fuel.
- Inspecció prèvia a la marxa: Always perform a thorough inspection before each ride, checking tires, brakes, chain, and all fasteners.
- No Passengers: This pocket bike is designed for a single rider only.
3. Contingut del paquet
Upon unpacking, ensure all components are present and undamaged. If any parts are missing or damaged, contact customer support immediately.
- XtremepowerUS 40cc Gas Pocket Bike (main unit)
- Tool Kit (wrenches, screwdrivers, spark plug wrench)
- Manual d'instruccions
- Fuel Container (may vary)
4. Configuració i muntatge
Some assembly is required. Follow these steps carefully.
4.1 Desembalatge
Carefully remove all components from the packaging. Keep packaging materials until you are sure the product is fully assembled and operational.
4.2 Instal·lació del manillar
Attach the handlebars to the steering column using the provided bolts and tighten securely. Ensure the brake levers and throttle are positioned comfortably for the rider.
4.3 Initial Checks and Fastener Tightening
Before first use, inspect all nuts, bolts, and fasteners to ensure they are tight. Vibrations during shipping can sometimes loosen components. Pay special attention to wheel axles, engine mounts, and brake calipers.

Figura 1: XtremepowerUS 40cc Gas Pocket Bike, front-side view. This image shows the overall design of the XtremepowerUS 40cc Gas Pocket Bike from a front-side angle, highlighting its blue fairings and compact size.
4.4 Reabastecer el motor
This pocket bike uses a 4-stroke engine. Use fresh, unleaded gasoline with an octane rating of 87 or higher. Do not mix oil with the gasoline. The engine has a separate oil reservoir.
- Locate the fuel tank cap, typically on top of the main body.
- Obriu amb cura la tapa del dipòsit de combustible.
- Pour gasoline into the tank using a funnel to prevent spills. Do not overfill.
- Tanqueu bé la tapa del dipòsit de combustible.
4.5 Engine Oil Check
Before each ride, check the engine oil level. Refer to the engine's dipstick or sight glass for proper levels. Use recommended 4-stroke engine oil (e.g., SAE 10W-30 or 10W-40). Add oil if necessary, but do not overfill.
4.6 Pressió dels pneumàtics
Check tire pressure before each ride. Refer to the tire sidewall for recommended PSI. Proper tire pressure is crucial for safety and handling.

Figura 2: Dimensions of the XtremepowerUS 40cc Gas Pocket Bike. This image illustrates the key dimensions of the pocket bike, including its length (39.4 inches), width (17.7 inches), and height (21.7 inches), useful for understanding its size and storage requirements.
5. Instruccions de funcionament
Familiarize yourself with the controls before attempting to ride.
5.1 Controlsview

Figura 3: Davant view of the XtremepowerUS 40cc Gas Pocket Bike handlebars. A close-up front view of the pocket bike, focusing on the handlebars, brake levers, and throttle grip, which are essential for operation.
- Acceleració: Located on the right handlebar. Twist to increase engine speed.
- Frens: Levers on both handlebars control the front and rear brakes.
- Engine Kill Switch: Typically a red button or switch on the handlebar. Press to immediately stop the engine.
- Palanca d'asfixia: Used for cold starts.
5.2 Arrencada del motor
- Ensure the fuel valve is open (if equipped).
- Set the choke lever to the 'ON' or 'CLOSED' position for a cold engine.
- Locate the pull-start handle.
- Pull the handle slowly until resistance is felt, then pull firmly and quickly. Do not pull the rope to its full extension.
- Once the engine starts, gradually move the choke lever to the 'OFF' or 'OPEN' position as the engine warms up.
- Allow the engine to warm up for a minute or two before riding.
5.3 Equitació
Once the engine is running and warmed up, gently apply the throttle to begin moving. Maintain a balanced posture and keep both feet on the footpegs. Practice in a safe, open area to get accustomed to the bike's handling and acceleration.
5.4 Parar el motor
To stop the engine, release the throttle completely and press the engine kill switch. Alternatively, turn the fuel valve to the 'OFF' position (if equipped) and allow the engine to run out of fuel.
Vídeo 1: XtremepowerUS Gas Pocket Bike Demonstration. This official seller video demonstrates the XtremepowerUS 40cc Gas Pocket Bike in action, including starting the engine with a pull-start and riding, showcasing its performance and features.
6. Manteniment
Regular maintenance is crucial for the safe and reliable operation of your pocket bike.
6.1 Daily Checks (Before Each Ride)
- Pneumàtics: Check for proper inflation and inspect for cuts or damage.
- Frens: Ensure brake levers operate smoothly and brakes engage effectively. Adjust if necessary.
- Cadena: Check chain tension and lubricate if dry. Inspect for wear or damage.
- Elements de fixació: Verify all nuts, bolts, and screws are tight.
- Oli de motor: Check oil level and add if low.
- Combustible: Ensure sufficient fuel for your ride.

Figura 4: lateral view of the XtremepowerUS 40cc Gas Pocket Bike engine. This side view of the pocket bike highlights the 40cc 4-stroke engine, exhaust, and chain drive system, important for maintenance and understanding its mechanics.
6.2 Manteniment periòdic
- Canvi d'oli del motor: Canvieu l'oli del motor després de les primeres 5 hores de funcionament, després cada 20-25 hores o anualment, el que passi primer.
- Filtre d'aire: Clean or replace the air filter every 10-15 hours of operation, or more frequently in dusty conditions.
- Bujía: Inspeccioneu i netegeu la bugia cada 25 hores. Substituïu-la si està desgastada o bruta.
- Lubricació de la cadena: Lubricate the drive chain every 5 hours of operation or after riding in wet conditions.
- Sistema de fre: Inspect brake pads for wear and replace if necessary. Check brake cables for fraying or damage.

Figura 5: posterior view of the XtremepowerUS 40cc Gas Pocket Bike. A rear view of the pocket bike, showing the rear wheel, chain, sprocket, and rear fender, relevant for chain maintenance and brake inspection.
6.3 Emmagatzematge
For long-term storage, drain the fuel tank and carburetor. Remove the spark plug and pour a small amount of engine oil into the cylinder, then slowly pull the starter rope a few times to distribute the oil. Clean the bike thoroughly and store it in a dry, protected area.
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 |
|---|---|---|
| El motor no arrenca | No fuel, old fuel, choke incorrect, fouled spark plug, low engine oil. | Check fuel level, use fresh fuel, adjust choke, clean/replace spark plug, check/add engine oil. |
| El motor s'atura amb freqüència | Improper choke setting, dirty air filter, carburetor issues, low fuel. | Adjust choke, clean air filter, clean carburetor, refuel. |
| Pèrdua de poder | Dirty air filter, worn spark plug, low engine oil, improper tire pressure. | Clean air filter, replace spark plug, check/add engine oil, adjust tire pressure. |
| Els frens no són efectius | Loose cables, worn pads, improper adjustment. | Adjust brake cables, replace brake pads, ensure proper brake lever travel. |
8. Especificacions
| Característica | Detall |
|---|---|
| Dimensions del producte | 41 x 25 x 15 polzades |
| Pes de l'article | 49.2 lliures |
| Tipus de motor | Motor de 4 temps de 40 cc |
| Número de model | 99701 |
| Edat recomanada pel fabricant | 13 anys i més |
| Fabricant | XtremepowerUS |
9. Garantia i Suport
For warranty information, technical support, or to order replacement parts, please contact XtremepowerUS customer service. Keep your purchase receipt and product model number handy when contacting support.
Informació de contacte: Refer to the XtremepowerUS official weblloc web o la documentació de compra per obtenir les dades de contacte més actualitzades.

