Welcome to our review of the Hyundai HYM480SPER, a four-stroke ... 4-stroke oil and filling it with Aspen 4, which you can read about in the last paragraph of my guide to the best petrol lawn mowers.

Lawn edgers come in 4-stroke engine gas-powered models and cordless battery-powered models. Our Recommendation: ECHO 25.4 cc Gas 2-Stroke Lawn Edger With a powerful 25.4 cc gas engine, the ECHO ...

A petrol lawn mower isn't for everyone ... We had no issues getting either of these machines started and the 4-stroke Honda engine found in both is very reliable and surprisingly quiet.