Heritage Performance

Bolens BL150 String Trimmer

The Bolens BL150 is a gas-powered string trimmer built for dependable residential yard care. Its straightforward design, featuring a reliable 31cc engine and an easy-wind head, puts practical, no-frills performance in your hands for efficient grass and weed trimming.
An overview shot of the Bolens BL150 string trimmer, showcasing its overall design and key components like the engine and trimmer head.
Engineered for Function

Key Features and Specifications

The BL150 is built with a focus on essential, functional design. Its 31cc 2-stroke engine and 15-inch cutting width are engineered to deliver reliable performance for regular residential trimming, while the easy-wind head and vibration reduction add practical convenience to every use.
Effortless Yard Care

Simple, Reliable Trimming Power

The BL150 delivers the core outcomes of a quick, clean trim with minimal effort. Its lightweight design and reliable 2-stroke engine mean you can finish your yard work efficiently and get back to your day, confident in a job well done.

Comfortable, All-Day Use

The lightweight 11-pound build reduces arm fatigue during use, letting you comfortably trim around your entire yard without strain. This practical design supports longer, more comfortable work sessions for a thorough finish.

Quick Line Feed, No Interruptions

The easy-wind bump head lets you advance new line without stopping work. A simple tap on the ground feeds the line you need, so you can keep trimming without fumbling with complex adjustments or tools.

Dependable Power for Your Tasks

With a 31cc 2-stroke engine, this trimmer provides dependable starting and consistent power for your grass and light weed trimming. It’s engineered for the straightforward performance residential yard work demands.

Balanced Width and Maneuverability

The 15-inch cutting width offers a practical balance, clearing a wide path in each pass while remaining nimble enough to maneuver around obstacles, fence posts, and flower bed edges with control.
A person comfortably holding the lightweight Bolens BL150 string trimmer, demonstrating reduced arm fatigue during yard trimming.
Close-up of the Bolens BL150 trimmer's easy-wind bump head, with new trimmer line extending after a tap.

Ideal for These Yard Tasks

Routine Edging and Boundary Trimming

Perfect for regular maintenance trimming along driveway edges, sidewalks, and patio borders to maintain a neat, manicured appearance for your home’s exterior throughout the season.

Clearing Overgrowth in Tight Spots

Tackle overgrown patches of grass and light weeds in hard-to-reach spots like around trees, fences, mailboxes, and decorative landscaping where a mower can’t easily go.

Affordable Homeowner Yard Upkeep

The lightweight and manageable design makes this trimmer a practical choice for homeowners who want to efficiently maintain their yard’s appearance without excessive physical strain.

Getting Started with Your BL150

Follow these simple steps to get your BL150 ready and ensure a smooth trimming experience. Proper setup and basic maintenance will help you achieve the best results and keep your trimmer performing reliably.
A person mixing fuel in a can, demonstrating the first step for the Bolens BL150 trimmer.

Mix Fuel Correctly (50:1 Ratio)

Begin by mixing fuel according to the specified 50:1 ratio of gasoline to oil. This proper mixture is essential for lubricating and protecting the 2-stroke engine during operation.

Fuel being poured into the tank of the Bolens BL150 string trimmer.

Fill the 14 oz Fuel Tank

Fill the 14-ounce fuel tank with your pre-mixed fuel. Avoid overfilling to leave room for expansion. Securely replace the fuel cap to prevent leaks during use.

A hand tapping the bump head of the Bolens BL150 trimmer against the ground to advance the line.

Use the Easy-Wind Bump Head

Hold the trimmer firmly with both hands. To advance new line, simply tap the trimmer head on the ground while the head is spinning. The bump feed mechanism will release more line as needed.

A person wiping down the shaft of the Bolens BL150 trimmer after use.

Clean After Each Use

After trimming, let the engine cool. Wipe down the trimmer shaft and head with a damp cloth to remove grass clippings and debris, keeping it clean for next time.

The Bolens BL150 trimmer stored neatly on a garage shelf.

Store in a Dry Place

Store your trimmer in a dry, secure location away from direct sunlight. For long-term storage, it is recommended to run the engine dry of fuel or add a fuel stabilizer to prevent carburetor issues.

Close-up of new trimmer line being wound onto the head of the Bolens BL150.

Replace Trimmer Line When Needed

Periodically check the trimmer line for wear. To replace, remove the old line and wind new line onto the head according to the directional arrows, ensuring it feeds freely from the bump head.

Owner Experiences

What Owners Are Saying

Hear from homeowners who put the BL150 to work in their own yards. Discover how its lightweight build and reliable start have simplified their routine trimming tasks.
Common Questions

Your Questions, Answered About the BL150 Trimmer

If the trimmer has been idle, first ensure it has fresh, properly mixed fuel (50:1 ratio). Set the choke to the start position, prime the bulb 5-7 times until fuel is visible, and pull the starter rope firmly. Once the engine tries to start, move the choke to half or run position and pull again. This reliable starting sequence is designed for dependable performance even after periods of non-use.
Basic maintenance keeps your BL150 performing reliably. Check and clean the air filter every 10-15 hours of use, which is a simple task requiring no tools. Inspect the spark plug annually and replace it if needed. After each use, wipe down the unit, and for long-term storage, run the engine dry or add fuel stabilizer. Following these steps protects the 2-stroke engine and ensures it starts easily.
The BL150 is engineered with a lightweight 11-pound build specifically to reduce arm fatigue during longer trimming sessions. Its balanced design distributes weight evenly, allowing you to comfortably trim your entire yard without excessive strain. This practical focus on comfort means you can work thoroughly and finish your yard care tasks with greater ease and less physical tiredness.
Replacing the line is straightforward. First, remove any old line from the head. Wind the new line onto the spool, following the directional arrows molded into the head. Ensure the line is wound evenly and feeds freely from the bump mechanism. This easy-wind design is a core convenience feature, letting you get back to trimming quickly without complex adjustments or specialized tools.
The BL150’s 31cc engine requires a 50:1 mixture of gasoline and 2-cycle engine oil. This ratio is essential for proper engine lubrication and performance. You can purchase pre-mixed fuel designed for 2-stroke trimmers at most hardware or outdoor power equipment stores. Alternatively, buy a small bottle of 2-cycle oil and mix it with fresh gasoline yourself, following the measurements carefully for reliable operation.
Yes, the BL150 is capable of handling common residential tasks beyond simple grass trimming. The 15-inch cutting width and dependable power make it effective for routine edging along driveways and sidewalks. It can also clear light overgrowth and weeds in tighter spots like around fences and landscaping where mowers can’t reach, providing a versatile solution for maintaining a neat, finished yard appearance.
A homeowner pausing from trimming to consult the Bolens BL150 trimmer's manual, representing a common user question.