Husqvarna 125BV X Series Manual

The Husqvarna 125BV X Series is a powerful and efficient 2-stroke gas-powered leaf blower designed for demanding residential and commercial use. It features X-Torq® engine technology for reduced emissions and fuel consumption, a robust fan housing for high air volume, ergonomic design with anti-vibration system, cruise control for steady operation, and a versatile nozzle for both blowing and vacuuming functions. Below are key sections for safety, features, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Safety Information 3. Assembly & First Use 4. Specifications 5. Controls and Functions 6. Operation Instructions 7. Maintenance Schedule 8. Storage Guidelines 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: X-Torq® 2-stroke engine, Blower tube, Vacuum kit attachment, Shoulder harness, Throttle trigger with cruise control, Air purge bulb, Fuel tank, Starter handle.

Feature	Description
X-Torq® Engine	Reduces exhaust emissions and fuel consumption by up to 20%
Air Volume & Speed	Up to 765 CFM and 206 MPH for powerful blowing
Vacuum Function	Converts to vacuum with shredder for mulching leaves
Ergonomic Design	Anti-vibration system and padded shoulder strap reduce fatigue
Cruise Control	Locks throttle at a constant speed for extended use
Easy Start System	Simplifies starting with air purge and decompression valve
Fuel Tank	Transparent for easy fuel level monitoring
Nozzle Design	Adjustable for focused or wide air stream
Warranty	2-year commercial warranty, lifetime ignition warranty

Safety Information

Read all instructions before operation. Wear appropriate safety gear.

Personal Protective Equipment: Always wear safety glasses, hearing protection, long pants, closed-toe shoes, and gloves.
Operating Area: Keep bystanders, especially children and pets, at least 50 feet away. Clear area of debris that could be thrown.
Fuel Safety: Refuel in a well-ventilated area with engine off and cool. Use fresh fuel mix (50:1 gasoline to 2-stroke oil).
Hot Surfaces: Avoid contact with muffler and engine; they become extremely hot during and after use.

WARNING! Risk of fire and burn injury. Do not operate near flammable materials or in enclosed spaces. Carbon monoxide poisoning hazard.

Assembly & First Use

Unpack all parts. Assemble according to instructions.

Attach Blower Tube: Align tube end with engine housing outlet and twist clockwise until it locks securely.
Install Shoulder Harness: Thread straps through harness loops on blower unit; adjust for comfortable fit.
Attach Vacuum Kit (Optional): Remove blower tube. Connect vacuum tube and collection bag according to kit instructions.
Fuel Mix Preparation: Use 89 octane or higher gasoline mixed with Husqvarna XP+ 2-stroke oil at 50:1 ratio. Shake well.
Starting Procedure: Place unit on ground. Set choke to cold start position. Press air purge bulb 5-6 times. Pull starter cord briskly until engine fires.

CAUTION! Ensure all fasteners are tight before operation. Do not force connections.

Specifications

Engine Type: Husqvarna X-Torq® 2-stroke, air-cooled.
Displacement: 1.21 cu. in. (19.9 cc).
Power Output: 1.0 HP.
Fuel Tank Capacity: 14.9 fl. oz. (0.44 liters).
Air Volume: Up to 765 CFM.
Air Speed: Up to 206 MPH.
Sound Power Level: 112 dB(A).
Dry Weight: 10.1 lbs (4.6 kg).
Warranty: 2-year commercial, lifetime ignition.

Controls and Functions

Main Controls: Throttle trigger, Cruise control lock, Choke lever, Stop switch, Air purge bulb, Decompression valve.

Throttle Trigger: Variable speed control. Squeeze to increase engine speed.
Cruise Control: Slide switch to lock throttle at desired speed for continuous operation.
Choke Lever: Used for cold starts. Move to closed position, then open after engine fires.
Stop Switch: Slide to STOP position to shut off engine.
Air Purge Bulb: Press several times before cold start to prime fuel system.
Decompression Valve: Reduces compression for easier starting; press before pulling starter.

Operation Instructions

Blowing: Use sweeping motions at consistent angle. Vacuuming: Attach kit; use slow, overlapping passes.

Starting: Follow assembly section steps. For warm restart, set choke to open position.
Blowing Technique: Hold nozzle 2-3 inches above ground. Use side-to-side sweeping motion. Adjust throttle for debris type.
Vacuum Mode: Attach vacuum tube and collection bag. Engage cruise control for steady suction. Move nozzle slowly over leaves.
Shutting Down: Release throttle, allow engine to idle for 30 seconds. Slide stop switch to OFF.

Tip: For best results, work with the wind, not against it. Clear wet or heavy debris in layers.

Maintenance Schedule

Regular maintenance ensures optimal performance and longevity.

Interval	Task
Before each use	Check for loose fasteners, leaks, damage. Clean air intake and cooling fins.
Every 25 hours	Clean or replace spark plug (gap 0.020"). Check fuel filter.
Every 50 hours	Clean carburetor air filter. Replace if damaged.
Every 100 hours	Inspect fan housing and impeller for damage or debris.
Annually	Replace fuel filter. Have authorized dealer check ignition system.

WARNING! Always disconnect spark plug wire before performing maintenance. Use only genuine Husqvarna parts.

Storage Guidelines

Prepare unit for storage to prevent fuel system damage.

Empty fuel tank or add fuel stabilizer. Run engine for 5 minutes to circulate treated fuel.
Clean exterior thoroughly. Remove debris from cooling fins and air intake.
Store in cool, dry place, protected from moisture and direct sunlight.
Cover unit to prevent dust accumulation.

CAUTION! Never store unit with fuel in tank for more than 30 days without stabilizer. Drain fuel completely for long-term storage.

Regulatory Information

EPA and CARB compliant. Meets emission standards for handheld spark-ignition engines. This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For support, visit www.husqvarna.com or contact 1-800-487-5962. Copyright © 2025 Husqvarna AB. Husqvarna is a registered trademark of Husqvarna AB.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Engine won't start	Old fuel, clogged filter, spark plug	Use fresh fuel mix. Clean/replace fuel filter. Check spark plug gap and condition.
Engine starts then dies	Clogged air filter, carburetor issues	Clean air filter. Have carburetor serviced by dealer.
Loss of power	Dirty cooling fins, clogged spark arrestor	Clean cooling fins. Remove and clean spark arrestor screen.
Excessive vibration	Damaged impeller, loose parts	Inspect impeller for damage. Tighten all fasteners.
Poor vacuum suction	Clogged tube, full collection bag	Clear tube obstruction. Empty collection bag.

Service: For repairs beyond basic maintenance, contact authorized Husqvarna service dealer.

Support: 1-800-487-5962; www.husqvarna.com