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Craftsman weedwacker model 358799120

What type of oil is best for this engine and is there a type of cutting string that works the best

Posted by Anonymous on

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6ya6ya
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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

  • 246 Answers

SOURCE: 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)

Posted on May 14, 2009

  • 130 Answers

SOURCE: Pull String Ripped out, How to Replace?

no its not imposssible.but its not easy unless u have done a few times.you have screws around the plasic casing get them out.and pull
shaft off engine.

Posted on Jul 21, 2009

  • 1 Answer

SOURCE: Craftsman gas 25cc weedwacker starts, runs a few secs, then dies

The gas take up line is disconnected or is broken. I have the same problem and need to find a diagram to fux it.

Posted on Aug 28, 2009

  • 12104 Answers

SOURCE: who sells craftsman parts besides sears?

check with any place that carries or repairs small engine or farm equipment call or bring model number they can cross reference the part number for other comparable parts some parts are craftsman only and they will be able to tell u also a lot of online companies carry many parts also

Posted on Oct 01, 2009

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SOURCE: Craftsman model 358.791042, gasoline weedwacker wont stay running

The high speed needle valve needs adjusting and it takes a special splined tool to adjust it. I currently am trying to find where I can purchase the tool to adjust the high and low carburator screws.

Posted on Aug 18, 2010

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1 Answer

While trimming a type of brush wrapped around the cutting head and made the unit stall, upon clearing it the head now is weak and does not spin with enough power to cut; how can i fix this?


Remove string cap and tighten nut or you will have to hold shaft just above string head with pliers and turn head by hand till tight.
press the helpful button and check link below
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Most weedwackers are 2 cycle (stroke) engines, meaning the gas and oil are mixed together before you pour it into the gas tank. If it's a 4 cycle engine it appears there is no dip stick or convenience way to check the oil, you can only replace it. Here's a youtube video that may help.

http://www.youtube.com/watch?v=eiu6zd460oc

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1 Answer

Fuel Lines - 25cc Craftman weedwacker


Your Craftsman Trimmer/weedwacker:
http://www.searspartsdirect.com/partsdirect/getModel!retrieve.pd?modelNumber=358795591+&pathTaken=partSearch

Best Poulan Engine Match (probably real manufacturer):
http://www.ordertree.com/modelinfo/PWE/BC2400-Gas-Trimmer-Type-6/75.BC2400-Gas-Trimmer-Type-6.1.59.1.html

My decisions are being driven by my experience with Poulan chainsaws. Small hose in tank (long enough to reach all corners), filter on bottom, connects to lowest connection on carburetor. Small hose on upper carburetor connection to small fitting on primer. Large hose from large connection on primer through largest tank hole, roughly mid tank long. nothing on bottom. I suggest you leave the 2 connections on the carburetor long enough they can be swapped (just in case) then try it. if no go swap them.

Typical fuel system and a suggestion or two:
http://www.fixya.com/support/r3706813-2_cycle_fuel_system_repair

This is how I would configure it if a chainsaw, doubtful they would do something completely different. In defense of Jerry, he knows how it should be done, clarity of instruction could use some help. Good Luck. HTH
Lou

Feb 24, 2010 | Craftsman 25cc Gas Line Trimmer

2 Answers

I have a gas operated 31cc Craftsman model number 316.798221 weedwacker trimmer 17 I mixed fuel with 2 cycle engine oil using a 4 to 1 ratio. The trimmer no longer starts. It seems as if it is about to...


If you have mixed your gas and oil to a 4 to one mix you have way too much oil in your gasoline. Drain out your fuel tank and carburetor. ----------------------------------------------------------------------------- Remove the spark plug and clean if necessary. Mix your fuel in a fuel container at 40 to one. Some sites even recommend a 50 to one mixture. (50 to one mixture is one pint of oil to 6 gallons of gasoline) Refill your fuel tank on the trimmer and try to crank, if it does not want to crank within 4-5 pulls then you may want to give it a very small shot of starting ether in the carburetor intake and try to crank again. Good Luck, I hope this helped, Please rate me, Thanks

Dec 30, 2009 | Garden

1 Answer

Pull String Ripped out, How to Replace?


no its not imposssible.but its not easy unless u have done a few times.you have screws around the plasic casing get them out.and pull
shaft off engine.

Jul 20, 2009 | Craftsman 25cc Gas Line Trimmer

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