2-Stroke Machine? You Need a New Carburettor!
- MAD Mowers Staff
- Nov 12
- 2 min read
Why Your 2-Stroke Machine Might Need a New Carburettor (and Why Switching to Kress Could Save You the Hassle)

If you’ve ever wondered why so many 2-stroke machines end up needing a new carburettor instead of just a simple clean and tune, you’re not alone. It’s one of the most common questions we hear in the workshop — and the answer usually comes down to what’s happening inside the carb itself. Over time, modern fuels, especially E10 petrol, absorb moisture and cause corrosion in the carburettor’s fine internal passages. Even with ultrasonic cleaning and new diaphragms or gaskets, microscopic wear, warping, or corrosion can make accurate fuel metering impossible. Once those precision surfaces are damaged, the engine will never quite run right again.
The truth is, small carburettors are manufactured to extremely tight tolerances using soft alloys that just don’t age well. Add in years of vibration, stale fuel, and modern ethanol blends, and it’s no surprise that sometimes replacement is the only reliable fix. While we try cleaning and rebuilding where possible, our workshop will often recommend fitting a new carburettor simply because it’s the only way to get your machine running properly again. Unfortunately, the cost can sting — for example, a new carb for a Stihl blower we looked up today was over £126!
That’s one of the reasons more professionals and homeowners are moving towards Kress battery-powered equipment. With no carburettor, no stale fuel, and no tricky tuning, you eliminate one of the most common causes of poor running altogether. Kress machines start instantly, need minimal maintenance, and provide consistent performance with none of the hassle that comes from dealing with fuel systems. For anyone tired of fighting with blocked carbs and unpredictable 2-strokes, it’s a cleaner, quieter, and more reliable way to get the job done. Visit our Store for more information.
So, next time your 2-stroke struggles to start or won’t hold a tune, remember — it’s not always a quick fix, and sometimes a new carb is simply the best option. Or better yet, make the move to battery power and leave those carburettor problems behind for good.






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