Question about Craftsman 4 Cycle Blower/Vac
Posted by Anonymous on
You don't mix oil and gas for a 4 cycle engine. Please do not add oil to the gas. The oil has it's own tank for lubricating the engine. Use regular unlead gas in the fuel tank. Use 10w30 oil in the oil tank
Posted on Dec 29, 2010
If this is a 4 cycle engine you do not mix the gas and oil. The engine oil is in the crankcase just like your car. Hope this helps, Happy New Year.
Posted on Dec 29, 2010
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Posted on Jan 02, 2017
SOURCE: GAS MIXTURE
>>All Two Stroke Engines will use a 50 to 1 Ratio using Today's Two Stroke Oils. I once had an Old Chainsaw probably from the 1960s, maybe Earlier 70s that had a sticker on it that said to use a 25 to 1 Fuel/Oil Ratio, but that would have been using Two Stroke Oils of the Time Period the Chainsaw was Manufactured. I was having a Problem with Oil Coming Out of the Muffler and Started Decreasing the Oil in the Gas. I Reduced the Oil Until it was a t a 45:1 Ratio and Decided to be Safe, I would Use a 40:1 Ratio Mix. In that Chainsaw I used 50 to 1 Ratio with no problems. Today's Two Stroke Oils compared to Yesteryears are more Efficient at Lubricating. It is like comparing Today's Synthetic Motor Oil to Motor Oils of Decades ago. All the Equipment I use in Landscaping, anything from a Weed Eater, Leaf Blower, Chainsaw, Hedge Trimmer, use 40 to 1 ratio, and I use all types of makes and models, Stihl, Homelite, Husqvarna, Shindaiwa, and Echo, Sears. I mix up a 5 Gallon Fuel can and use it in all of the Equipment for my Customers and for my Landscaping. I like my Fuel/Oil Ratio a Little Heavy, so I use a 40:1 Ratio. The Following was Copied and Pasted here from and MTD E-mail to me when I Asked for the OEMs Suggested Mixture for this Unit. The mixture, as described by the engine manufacturer, is a 50:1 ratio when using the approved types of 2-cycle engine oils.
50:1 ratio is a mix consisting of 2.5 ounces of 2-cycle oil per 1 gallon of gasoline.
The 2-cycle oil used should be approved and have one or more of the following specification titles: NMMA TC-WII, TC-W3, JASO FB, or JASO FC. NOTE: If unsure of the 2-cycle oil specifications, or the oil is not approved, use a 32:1 fuel to oil ratio for All 2 Cycle Equipment Except for Hole Drills/Augers (These Use a 25:1 Ratio Mix).
NOTE: Always mix 2-cycle fuel oil and fuel in an approved gasoline safe container prior to filling the engine. Make sure to use a separate gas can for this 2-cycle fuel mixture and label it accordingly. Keep in mind that the fuel capacity of these engines normally is less than a gallon, therefore you will have to use this extra oil mixture for multiple fuel fills. Adding a fuel stabilizer will also help to increase the shelf life of fuel.
>>I have Heard the Recommendations About the Stabilizer making Gasoline Good for 18 to 24 Months. I have Never Gotten Good Performance from Gasoline that has been Stored with Stabil in it if the Gasoline is Over 10 to 11 Months Old. After that Amount of Time the Breakdown Process has Started (But is Slowed Somewhat by the Stabil Additive I Assume) and from then on the Performance of the Equipment I am Using Gets Worse. I Suggest Using All the Gasoline Up Within 9 to 10 Months Tops. You will Never be Sorry you Did.
I have Not Seen a Recall Notice for this Unit, However, you can Check with your Local Dealer if you Suspect a Recall has been Issued for this Unit.
Please, Do Not Hesitate, If I Missed Something or you Hit a Snag or this Does Not Correct the Problem, I am Here if You Require More Assistance.
Hope this Helps. Let me Know What Happens, Please. May the All Mighty Bless You and Yours. Be Safe and Be Happy. Thanks.
Posted on May 13, 2009
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