Question about ECHO, Inc. PB-251C Handheld Blower

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Does not start

I found this on the roadside and didn't realize it needed oil in the gas. What is the oil to gas mixture and what type of oil do i use?

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Any 2 cycle oil is good. Use a 40:1 mix to start with if it smokes then cut it back to 32:1 but its better to have more oil then not enough but start with 40:1

Posted on Jan 18, 2009

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Oil petrol mixture for Rockwell 26cc weedeater

Two cycle engines run on a mixture of gasoline and oil. Each engine type is designed to run on a specific gas-to-oil mix ratio.
IMPORTANT: Use only oil that is labeled for use in "Two-cycle" or "Two-stroke" engines. Home Depot and other stores now have "premixed fuel" of gas and 2 cycle oil.
To mix two-cycle fuel, start by putting correct amount of oil in gas can. Then slowly add correct amount of gasoline. Do not try to mix gas and oil directly in gas tank of equipment.

IMPORTANT: Do not use any fuel that is over 30 days old. Do not mix more fuel than you are likely to use in a month. Old fuel can gum carburetors and prevent starting. Always use fresh fuel.

The chart below shows correct amount of oil per gallon that each mixing ratio requires. Expect that yours will be between 32 gas to1 oil and 50 to 1. 32:1 and 50:1 are most popular.
(128 oz.)
(160 oz.)
32:1 4 oz. 5 oz. 31.25 mL 40:1 3.2 oz. 4 oz. 25 mL 50:1 2.6 oz. 3.2 oz. 20 mL

Jan 01, 2015 | Weedeater Garden

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How many ounces in a gallon

Guess you are asking this because you need to mix your 2-cycle engine oil with gasoline. One gallon = 128 fluid ounces if you are in the US. In the UK, 1 UK gallon = 160 UK ounces.
I totally plagiarized this information from
Not plagiarized: you want to use the correct mixture for your blower to get it to start easily. Your blower probably uses a mixture of either 50:1 or 40:1. I use a product called ProMix Premium that allows me to squeeze the bottle to measure out the correct amount of oil into a gallon of gas. I use two different gallon sized gas containers, one with a 50:1 mixture and the other with a 40:1 mixture. Between the two mixtures, all of my machines will start and run well according to their oil mixture requirements. Usually the machine will have a label on it to tell you the correct mixture, if not, check the owner's manual or instructions.

Dec 11, 2013 | Garden

1 Answer

Where do you put the oil in a fradan honda 8HP leaf blower?

you will need to check the owners manul to see where and what type of oil it takes or if it takes mixed oil and gas and then there should be a gas/oil mixture ratio you will need.

May 06, 2011 | Honda Garden

1 Answer

Only three months old and used twice now it won't start we chnaged the gas brand new with new mixture. It boggs and just dies. ECHO PB250

My research shows that a consumer gets a 5 year warranty and a commercial user gets a 2 year warranty on any Echo equipment they buy. Could you consider getting some warranty service on this unit since it is still under coverage? It sounds like a fuel delivery problem (carburetor adjustment maybe), but I also realize that some of the newer "rotary" type carburetors in use don't have the Low and High speed mixture adjusting screws like the old-style diaphragm carburetors that preceded them.

Jan 30, 2011 | Echo Gas Blower 135 MPH390 CFM Blower...

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I lost my manual. What is the gas to oil ratio?

Your manual can be found here:
Please download a copy, IPL too.
Page 21 - Fuel Oil Ratio- 50:1 (2.6 oz/ 1 gal)
A rich mixture often causes hard starting.

Oct 29, 2009 | ECHO, Inc. PB-251C Handheld Blower

1 Answer

What is oil to gas ratio? What type of oil what type of gas/

A mixture of 40:1 would give good performance and protection with minimal smoke issues.
3.2 ounces of oil added to 1 gallon of gas would equal a 40:1 ratio.
Don't use outboard motor oil. Water cooled engines on those.Use a 2-Cycle oil specific to AIR COOLED engines.
Hope this hepls!

Sep 26, 2009 | Poulan Featherlite Gas Blower, with Low...

1 Answer

Need oil gas mixture for homelite HB 100 blower

50:1 with premium oil i.e. Echo, Stihl, Husqvarna.
40:1 with Homelite or generic brands

Apr 12, 2009 | Homelite Consumer Products MightyLite...

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I just foun out that i forgot to add oil to gas mixture to my blo

hello, what you should do is drain out the gas from the tank into a clean container so you can add the oil to it and you should also check your spark plug make sure it's o.k. after draining out the gas try starting the blower a few times with out the spark plug wire connected to the spark plug this will flush out and of the pure gas from the fuel lines, after doing this re-connect the Spark plug wire and add your fuel/oil mixture and re-start, it might take a few times for it to start due to all the gas in the engine but it'll start also if your blower has a primer bulb you may want to prime it a few times after adding the fuel oil mixture to get it in the combustion chamber, if after doing this you still get nothing you'll want to re-place your spark plug it might be fouled out. good luck

Mar 25, 2009 | Craftsman 4 Cycle Blower/Vac

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