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What is oil gas ratio for craftsman 25 cc two stroke

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What is fuel mixture on 25 cc craftsman weedwacker


This small engine needs a 40:1 ratio. Use only 2 cycle oil, not motor oil. If you are mixing one gallon of fuel use 3.2 ounces of the 2 cycle oil. This should give correct mixture so you do not get lots of smoke when you start. Take the time to measure. Note: there should be a marking somewhere on the engine about the mixture.

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How do i mix the gas/oil on a 25 cc 2 cycle craftsman weed eater


The specs say 40:1 so 3 - 3 1/2 OZ of 2 cycle oil in a gallon of gas.

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Fuel mix for 25cc trimmer


For two stroke engines of this capacity the ratio of fuel to two stroke oil is (25:1) 25 fuel to 1 (two stroke) oil. Eg 200 ml of two stroke oil to 5 litres of fuel.

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49 CC STREET SCOOTER TWO STROKE NEED THE GAS TO OIL MIXTURE


the mixture ratio is 50 parts gas to 1 part oil. Use only a good quailty stroke oil, never use motor oil

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1 Answer

Need to know the ratio of gas and oil for gas chainsaw 435 16' Husqvarna


Use a ratio of 50-1 with Husqvarna two stroke oil, with other two stroke oils they recommend a 25-1 mix as they do not know the quaility of other manufactureres two stroke oil, always try to use Husqvarna oil.

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1 Answer

I have an old craftsman snowblower. It is a pullstart. I inherited this from my father. He did not have the manual.. wondering if I could find how much gas to oil mix and if it is a 2 cycle or 4 cycle...


The way to tell if it's 2 or 4 stroke is, if it has seperate tanks for the oil and petrol then it would be 4 stroke. I know that's not entirely true in today's world but up to recently it was. If it's 2 stroke then you need to mix the petrol with 2 stroke oil. Unless someone knows the right mix ratio I would start off with a rich mixture of 25:1 and see how it goes. If it's giving off a lot of smoke I'd reduce the oil a little to 30:1. It should be ok with this ratio. Use good quality 2 stroke oil e.g. Husqvarna or Stihl as some of the cheaper oils available at car service stations are not as good at protecting machinery.

Dec 04, 2010 | Craftsman Garden

1 Answer

Oil & gas ratio for an older Craftsman chainsaw?


Unless the saw is over 40 years old, 40:1 ratio will work well. Really old saws required 30/32:1 ratios when petroleum based oils were used. Be sure to premix the fuel and a modern synthetic saw oil in it's own can and be sure to shake thoroughly just before refueling each time. Check the H jet setting by warming the engine up, then pull the throttle full on. Proper adjustment is when the engine 4-strokes running free, but immediately 2-strokes when cutting. Be sure to check the fuel filter, air cleaner and muffler for plugging before making any jet adjustment. Hope this helps!

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1 Answer

I need to know the gas to oil ratio on my 17" 25 cc craftsman weed eater.


4 oz of a generic 2-cycle oil to a gallon of fuel is the typical mix.

I hope this helps.

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1 Answer

What is gas/oil ratio for 25 CC leaf blower


Hi Rambo,

Unless otherwise specified, the normal ratio is 2 ounces of 2 cycle oil for every gallon of gas.

Best regards,
Mike

Oct 18, 2009 | Craftsman Garden

1 Answer

I need to know the gas mixture ratio for a craftsman weedwacker


Hello mcguilmd:

>>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 1950s, 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. This ratio consists of 4 ounces of oil per one gallon of fuel.
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 Suggest Using a 40:1 Ratio and if Oil Starts Coming Out the Muffler then go to a 50:1 Ratio.
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.

Good Luck

Respectfully

jbridger (John)

May 13, 2009 | Craftsman Garden

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