The carburetor can be a source of a gasoline leak at the front of a lawn mower. Over time, the carburetor's gaskets may dry out, harden and crack, leaving vulnerable space where gasoline can leak from the unit. The float mechanism in the carburetor may be another source of a leak.Why is my Honda lawn mower smoking?
Black smoke emitted from a lawn mower engine is typically an indication that the gasoline to air ratio is too rich. The mower is probably consuming far more gasoline than it should during operations. Black smoke is also an indicator that oil has found its way into the cylinder, and the mower is trying to burn it along with the fuel.How do you tune a lawn mower?
Loosen the air filter cover screw and drop the cover down. Pull out the old air filter and press in the new one (make sure the paper pleats are facing out). Replace the cover and firmly tighten the cover screw. It's just plain smart to tune up your lawn mower every spring.What kind of oil does my Honda lawn mower use?
Because lawn mowers are not used in sub-zero temperatures, Honda and Mobile Oil both recommend standard 10W-30 oil for your Honda lawn mower. SAE 30-weight oil is in the middle of the SAE ratings.