The most common mower fault we saw last year across Dorset was water in the fuel, causing poor running, stalling, or no start at all. Moisture can enter via condensation, old petrol, or poorly sealed tanks. Prevent issues by using fresh fuel, proper storage, or Aspen fuel. If your mower shows signs like uneven running or cloudy fuel, stop use and have it checked to avoid costly damage.

"I only put clean, fresh fuel in the tank, and the machine is stored in a dry shed. How does water get into my fuel?"