Question about Stihl 029 039 Ms290 Ms390 Chainsaw Clutch Stbx446

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GAS LEAKING OUT OF TANK ON STIHL CHAINSAW

THERES A BREATHER HOLE LOCATED ON TOP OF FUEL TANK , WHEN USING THE SAW IT LEAKS?

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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  • 468 Answers

SOURCE: need to know the oil to gas ratio for a 056 stihl

Stihl chainsaws are 1:50 oil to gas ratio. Make sure you use good high-quality 2-stroke oil, preferably that which is made by Stihl.

Posted on May 22, 2010

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  • 57 Answers

SOURCE: I need help in replacing

Best way i can help is to fix it for u. But if u want to try here goes. Pull off air cleaner housing, Fuel line runs from left of carb to under carb, remove. install new line. Looks easy, sounds easy, very tight fit.

Posted on Sep 04, 2011

  • 316 Answers

SOURCE: what is the fuel oil mixture for stihl ms660 chainsaw

hello sir, the gas / oil ratio is, 3/4 o/z per quart or 2.6 o/z per gallon of two cycle oil, any two cycle oil will do,this is how i mix mine and never had a problem,it is a good mix.hope this helps,don't forget the 4 thumbs up,any comments welcome,thank you. ~~

Posted on Feb 23, 2012

philwalker78
  • 608 Answers

SOURCE: missing 025 Stihl chainsaw part

Hi, you are correct it is the tank vent. Go to a stihl shop and purchase a new one, regards Phil.

Posted on Jun 04, 2012

philwalker78
  • 608 Answers

SOURCE: stihl 066 leaks gas out bottom of carb

Hi, you have a hole in the pump diaphragm in the bottom if the carby. Regards Phil.

Posted on Jul 10, 2012

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3 Answers

Why is the car leaking fuel at the rear passenger side


trace the fuel line coming from the tank going to front of car and look for leaks. With a car that is 15 years old the gas line may be leaking

May 31, 2014 | 1999 Lincoln Continental

1 Answer

My stihl ms390 chainsaw leaks bar oil, so i put a threaded plug in the hole, and when i get the plug far enough in, it impedes the oil flow to the bar.


Take the bar off and clean all the pieces and parts where the bar mates to the motor. Make sure the hole on the side of the bar, where the oil gets onto the chain drivers, is not plugged. Make sure there are no burrs, on the edge of the bar from chain wear, which will push the bar away from the chainsaw body leaving a gap for oil to leak. If your bar is worn, most bars can be flipped over and used either way. If it is made to be used in on either side it will have a hole for the oil to get into the bar on both sides. Alternating or flipping the bar will make it last a lot longer.
Something else to check is if your saw has a breather hole and if that is what is leaking or it is plugged and is not allowing the tank to breath. Not all saws have this feature.
When you store your saw it is best not to store it on its side with the bar hanging down as these position will cause more oil to leak.
Even if you have a perfect fit/seal, between saw and bar, oil will still leak if it is stored in a place with temperature fluctuations. This happens from the oil expands, when it warms up, creating pressure in the tank causing oil to leak out. I always put a piece of cloth on top of a plastic base to prevent seepage onto any surface. I run chainsaws professionally for over 35 years and they all will leak when stored in place with temperature changes. Some are worst than others. Hope this helped.

Sep 29, 2013 | Stihl Garden

1 Answer

Missing 025 Stihl chainsaw part


Hi, you are correct it is the tank vent. Go to a stihl shop and purchase a new one, regards Phil.

Jun 03, 2012 | Stihl Garden

1 Answer

I filled my 340 husqvarna chainsaw for the first time this year and it leaked gas from someshere opposite the fuel fill tank( maybe near the fuel line). It then quit leaking and just will not start. Maybe...


Opposite the fuel fill is the tank breather, and the return to tank hose if the machine has a primer, the back to tank hose fits on to an orange connection in the tank, it may have slipped off, next to it is the breather the early breather was two white pellets pressed into the tank, these will need to be removed and replaced if this is where the leak is from, the later breather is a white round assembly with a connection on the top, nothing fits to this conection, the breather can be pulled and and replaced if required.

May 01, 2011 | Husqvarna "Chain Saw - 16" Bar, 3 Hp

2 Answers

What is the tiny tube behind the cover on the left on a stihl 025 chainsaw


if it has a threaded screw in it . . .allows for saw to present at different angles

Apr 19, 2011 | Stihl Garden

1 Answer

My Stihl Farm Boss 029 leaks gas when I run it. The saw runs fine. It appears as though theres a small hose missing from the top of the gas tank. Looks like there should be hose going somewhere but its...


It could be the fuel tank vent is missing.try looking up your model number at ereplacementparts.com.It will show a diagram of whats where and the part you might need.

Mar 02, 2011 | Garden

1 Answer

My Stihl MS-180be chainsaw is leaking a small amount of gas when full. What could be the problem? Is is the fuel line where it goes into the tank? The saw is working ok?


This saw has a fuel tank vent that could be leaking a small amount of fuel, or the fuel line coming out of the tank could be leaking. Fuel line replacement isn't complicated, you could try installing a new one. If it's the vent, odds are it's not enough to cause alarm........unless the vent line is cracked. In that event, you should replace the vent hose. Again, not a complicated repair.

Jun 13, 2009 | Garden

1 Answer

350 leaks gas when saw is turned on side


as long as you used the correct diamiter of hose the hole in fuel tank will be plugged.there is also a tank breather hole in tank make sure the hose is going through to the inside of the tank.that's where you fuel leak will be coming from.the breather hole in tank.if you have any questions please contact me......

Mar 03, 2009 | Husqvarna Garden

1 Answer

Stihl chainsaw


Hi

First remove the cover,air filter and the carburator.Then remove the gas tank cap and the fuel filter from inside of gas tank,at the end of fuel line.Take off the fuel line from the hole of the gas tank(at the top),replace the fuel line,put all back together and start the engine.

best regards savumihai71

Feb 13, 2009 | Husqvarna Chain Saw 20" Bar

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