1. Safety Instructions
Read and understand all safety warnings and instructions before operating this product. Failure to follow the warnings and instructions may result in electric shock, fire, and/or serious injury.
General Safety
- Always wear appropriate personal protective equipment (PPE) including eye protection, hearing protection, and sturdy footwear.
- Do not operate the blower when tired, ill, or under the influence of drugs or alcohol.
- Keep children, bystanders, and pets at least 15 meters (50 feet) away from the operating area.
- Inspect the work area before use. Remove any objects that could be thrown or entangled in the blower.
- Do not operate in wet conditions or rain.
- Ensure all guards and handles are properly installed and secure before use.
Fuel Safety
- Mix fuel and oil according to the manufacturer's specifications for 2-stroke engines.
- Handle fuel in a well-ventilated area, away from sparks, open flames, or other ignition sources.
- Do not smoke while handling fuel.
- Wipe up any spilled fuel immediately.
- Store fuel in an approved container in a cool, dry place.
- Allow the engine to cool before refueling.
2. Product Overview
The VEVOR 52CC Backpack Gas Leaf Blower (Model BL-5201) is a powerful 2-stroke engine tool designed for efficient clearing of leaves, debris, and even light snow. Its ergonomic backpack design ensures comfort during extended use.
Key Features
- High-Performance Engine: Robust 52CC 2-stroke engine with 6500 RPM, delivering 480 CFM air volume and 175 MPH air speed.
- Easy Operation: Manual pull start, adjustable pipe angles, and throttle for precise airflow control. Features a cruise control system for consistent power settings.
- Ergonomic Backpack Design: Equipped with a shock absorption system, high-strength nylon backpack, adjustable padded shoulder straps, and a thick back cushion for user comfort and reduced vibration.
- Large Fuel Tank: 1.37L fuel tank capacity allows for 50-60 minutes of continuous operation.
- Versatile Use: Ideal for cleaning yards, gardens, landscapes, outdoor paths, and effective for snow removal in winter greenhouses.
Components Diagram

3. Setup and Assembly
Follow these steps to assemble your VEVOR 52CC Backpack Gas Leaf Blower before first use.
What's in the Box

- 1 x Gas Leaf Blower Unit
- 1 x Noise-Canceling Earmuffs
- 1 x User Manual
- 1 x Corrugated Tube
- 1 x Main Air Tube
- 1 x Extension Air Tube
- 1 x Flat Nozzle Tube
- 2 x Clamps
- 1 x Socket Wrench
- 1 x Open-End Wrench
- 1 x Philips Screwdriver
- 2 x Hex Keys
- 1 x Dual-Spout Mixing Bottle
- 1 x Red Funnel
- 1 x Tool Bag
Assembly Steps
- Attach the Blower Tubes:
- Connect the corrugated tube to the blower outlet on the main unit. Secure it with a clamp.
- Attach the main air tube to the corrugated tube.
- Connect the extension air tube to the main air tube.
- Finally, attach the flat nozzle tube to the extension air tube. Ensure all connections are secure.
- Prepare Fuel Mixture:
- Using the provided mixing bottle, prepare a fuel mixture of gasoline and 2-stroke engine oil according to the engine manufacturer's recommended ratio (typically 25:1 or 50:1, refer to the engine manual for exact details).
- Carefully pour the mixed fuel into the blower's fuel tank using the funnel. Do not overfill.
- Adjust Backpack Straps:

Figure 3.2: Adjustable Backpack Straps. This image shows the padded shoulder straps and back cushion, which can be adjusted for optimal comfort and weight distribution during operation. - Put on the backpack unit and adjust the shoulder straps and waist belt for a comfortable and secure fit. The padded straps and back cushion are designed to reduce fatigue.
4. Operating Instructions
Follow these steps for safe and effective operation of your leaf blower.
Starting the Engine
- Place the blower on a flat, stable surface.
- Ensure the fuel tank is filled with the correct fuel mixture.
- Set the ON/OFF switch to the "ON" position.
- Move the choke lever to the "CLOSED" or "START" position.
- Press the primer bulb several times until fuel is visible in the return line.
- Pull the starter cord firmly and smoothly until the engine attempts to start (usually 1-3 pulls).
- Once the engine "pops" or attempts to start, move the choke lever to the "OPEN" or "RUN" position.
- Pull the starter cord again until the engine starts.
- Allow the engine to warm up for a few moments before applying throttle.

Using the Blower
- Wear your personal protective equipment (earmuffs, eye protection).
- Strap the blower securely to your back.
- Hold the control handle firmly.
- Adjusting Airflow:

Figure 4.2: Speed Control. The control handle features a throttle trigger for variable speed adjustment and a cruise control lever to maintain a fixed air speed. The handle itself is adjustable up to 90 degrees for user comfort. - Press the throttle trigger to increase air speed.
- For continuous operation at a set speed, engage the cruise control lever.
- The blower tube angle can also be adjusted for optimal debris direction.
- Walk slowly and use a sweeping motion to move leaves and debris.
- Avoid directing the air stream towards people, animals, or fragile objects.

Stopping the Engine
- Release the throttle trigger to allow the engine to idle.
- Move the ON/OFF switch to the "OFF" position.
- Wait for the engine to come to a complete stop before setting the blower down.
5. Maintenance
Regular maintenance ensures optimal performance and extends the lifespan of your VEVOR leaf blower.
After Each Use
- Clean the exterior of the blower with a damp cloth.
- Check for any loose fasteners and tighten them as needed.
- Inspect the air filter for debris. Clean or replace if necessary.
- Empty the fuel tank if storing for an extended period.
Periodic Maintenance
- Spark Plug: Inspect and clean the spark plug every 25 hours of operation or annually. Replace if worn or fouled.
- Fuel Filter: Replace the fuel filter annually or if fuel flow is restricted.
- Carburetor Adjustment: If the engine runs poorly, the carburetor may need adjustment. This should ideally be performed by a qualified service technician.
- Cooling Fins: Keep the engine cooling fins clean to prevent overheating.
6. Troubleshooting
Refer to this section for common issues and their solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Engine does not start |
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| Engine runs poorly or stalls |
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| Reduced air output |
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7. Specifications
Technical specifications for the VEVOR 52CC Backpack Gas Leaf Blower BL-5201.
| Specification | Value |
|---|---|
| Model Number | BL-5201 |
| Engine Type | 2-Stroke Engine |
| Engine Displacement | 52 CC |
| Engine Speed | 6500 RPM |
| Fuel Tank Capacity | 0.36 gal / 1.37 L |
| Air Volume | 480 CFM |
| Air Speed | 175 MPH (280 km/h) |
| Main Materials | PE, PA, Aluminum, Iron |
| Product Weight | 20.8 lb / 9.45 kg |
| Product Dimensions (L x W x H) | 17.7" x 61" x 19.7" / 450 x 1550 x 500 mm |
| Noise Level | 52 Decibels |
| UPC | 197988216575 |

8. Warranty and Support
VEVOR products are designed for durability and performance. For specific warranty information, please refer to the warranty card included with your product or visit the official VEVOR website.
Customer Support
If you encounter any issues or have questions regarding your VEVOR 52CC Backpack Gas Leaf Blower, please contact VEVOR customer support. Contact details can typically be found in your product manual or on the official VEVOR website.
Online Support: www.vevor.com/support