Q. I own wooded property in Wisconsin and go up there several times a year with a chainsaw to trim trees. I mix 2-cycle oil with the gas at the rate of 3.2 ounces per gallon. At the end of the day … ...

Another reason is their effect on the hip pocket: because two-stroke engines don't use valves, they need the two-stroke oil-and-gasoline mix for lubrication – and burning that special, ...

Q: I recently was gifted a 1979 Negrini moped. It has a 49cc, two-cycle engine. After some extensive cleaning, it appears to be in good condition. The owner’s manual calls for the gas-oil mix… ...

Q: I recently was gifted a 1979 Negrini moped. It has a 49cc, two-cycle engine. After some extensive cleaning, it appears to be in good condition. The owner’s manual calls for the gas-oil mix… ...