Honda lawn mower engines are designed to use petroleum based motor oils, such as SAE 30, 10W-30, or 10W-40. Synthetic oils are not recommended for use in Honda lawn mowers.
About this Author
Melody Lee worked as a newspaper reporter, copywriter and editor for 5 years. In addition, she has edited magazine articles and books. Lee holds a degree in landscape design and is a Florida master gardener. She has more than 25 years of gardening experience, which includes working at nurseries and greenhouses.