Lawn - Boy lawnmowers that operate with a two - rhythm gaseous state - powered engine will call for a combination gasoline / oil fuel . Four - hertz Lawn - Boy lawnmowers do n’t require a fuel to oil ratio , or mixing of any fuels ; they have a separate tankful and oil heart to lube the crankcase . The fuel to oil ratio for two - cycle lawnmowers varies from example to model .
Recommended Oil
Lawn - Boy lawnmowers that employ two - oscillation engine involve a exceptional character of oil tot to the gasoline before being put in the fuel armored combat vehicle . This case of vegetable oil will give away apart inside the gasolene and merge with the fuel . When the vegetable oil reaches the cylinder , it will be equally distributed across the locomotive . These lawnmowers require two - cycle , aviation - cooled engine oil . Unlike automotive vegetable oil , these oils are articulate for utilisation specifically in sundry - gas engines .
Recommended Gasoline
Lawn - Boy recommends using a recognise , interior name - stigma gasoline in its lawnmower engine . The optimum grade of gasoline for these locomotive is 87 octane , as anything higher will offer no benefit , and some linear software in the higher grade may even harm the engine . Do n’t use any fuel with additives , such as ethanol or gasohol , whatever the grade of gas . If you ca n’t get 87 octane in your arena , use the closest to that level of gasolene .
Mixing Ratios
Those Lawn - Boy lawnmowers that utilise a premixed fuel will all have different admixture proportion necessity . These engines are contrive for different purpose , and the amount of gas to oil color require will vary from engine to engine . unwashed ratio for Lawn - Boy lawnmowers are 16:1 , which uses 8 oz . of two - cycle locomotive oil per gallon of petrol ; 32:1 , which uses 4 oz . of two - cycle locomotive oil ; and 50:1 , which uses 2.6 oz . of two - cycle locomotive oil colour .
Adding Stabilizers
The principal constituent in gas begin breaking down in as little as 30 days , turn in the gas useless . Hard starts , erratic idling and inadequate acceleration are all signs of bad gas . Only flux the fuel that can be used in 30 Clarence Shepard Day Jr. or less . If you need to keep fuel for farseeing catamenia , add together a stabiliser the day the fuel sustain mixed . When fuel stabilizer is added to the fuel , it can keep for four to six months . underprice out any old or bad flatulence immediately , as using it may damage the carburettor and engine .
