Your string trimmer, or “weed whacker,” is a workhorse, but its tiny two-stroke engine is extremely sensitive to fuel delivery issues. Over time, the clear lines inside and outside the fuel tank become brittle, crack, or—most commonly—get stiffened and dissolved by ethanol in modern gasoline….
The debate over Ethanol-blended fuel (E10) is one of the most persistent topics in the small engine repair world. While much of the discussion focuses on water absorption and carburetor clogging, there’s one component that quietly takes the brunt of ethanol’s chemical power: the gasket. For mechanics and…
It’s a frustratingly common scenario: you go to start your lawn mower, pressure washer, or generator, and it just cranks and cranks, refusing to catch. You might even smell gas. Chances are, you’ve got a flooded engine. A flooded engine means there’s too much fuel in the…
As a small engine repair pro, you know the drill: your clients rely on their lawn mowers—whether push, zero-turn, or tractor—to keep their yards pristine. A well-maintained mower doesn’t just cut better; it lasts longer and breaks down less. While the owner’s manual has the basics,…
For the small engine mechanic, the air is thick with the buzz of two-strokes and the low rumble of four-strokes. They may both be combustion engines, but when it comes to keeping them running, they demand two entirely different approaches—and two different toolboxes. If you…
The leaves are finally gone, the weather is turning cold, and your faithful leaf blower is ready for a long winter’s nap. Don’t just toss it in the shed! Improper storage is the number one killer of small engines, leading to gummed-up carburetors, rusted pistons,…
When you fire up your lawn mower, snow blower, or trimmer, the exhaust pipe tells a story.1 While a puff of vapor on a cold morning is normal, persistent, colored smoke is your engine sending a distress signal. For small engines, the color of the smoke…
That familiar sound of your lawnmower starting strong, only to choke and lose RPM when it hits a patch of thick grass, is a clear signal: your engine is struggling under load. A loss of power under load means the engine isn’t getting enough fuel/air or is…
A string trimmer is an essential tool for keeping your yard looking neat, but few things are more frustrating than an engine that roars to life only for the cutting head to refuse to spin. This is one of the most common and perplexing issues…
If you’re maintaining your own lawnmower, snow blower, or generator, you already know the satisfaction of a job well done. But sometimes, when an engine coughs, sputters, or refuses to start, simply replacing parts isn’t enough—you need to diagnose the problem. To move beyond guessing and…