I have an elderly MTD rotary lawn mower fitted with a 3.5 hp 4 stroke engine. It has developed a fault, and I would be very grateful if anyone can throw any light on it (before I throw the mower in the skip...)
The engine starts and runs easily enough, but it constantly "hunts" rather than maintaining a constant speed. The throttle control has little effect.
Not a lot to go on I know, but any ideas would be very welcome.
TIA
Mike