Question about Husqvarna Chain Saw Models 371, 372xp

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Husqvarna 372xp won't start... Mysterious

Chain saw won't start. On switch on. Compression. Spark. Fuel. When I take out the plug and pull starter cord, and hold lighter, flames... Tried pouring oil gas mix into spark plug chamber, replaced plug.. Nothing. Will not "pop".

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I recently bought a brand new 372XP and spent the first day trying to start it as per the instruction manual with no success, never even fired once. Removed the plug to find plenty of fuel and that the plug has a good spark. Left it until the next day mainly to allow my arm to recover (& scour the internet for clues). I found a forum that said not to use the decompressor and sure enough without the use of the decompressor button it fired first go with the choke on then I reset the choke & it ran properly on the second pull. The decompressor button can be reset with fine nosed pliers or removal of the top cover by undoing three screws. Good luck it's a great saw once you know how to start it.

Posted on Aug 11, 2014

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Posted on Jan 02, 2017

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  • 334 Answers

SOURCE: husqvarna small chain saw won't stay on and now won't start

check your pick up coil . i had one it done the same thing to and that what it was

Posted on Apr 02, 2009

dontbother10
  • 2220 Answers

SOURCE: I have a husqvarna 455 rancher. It was working

Why would you pay for something and then not force them to make good? I have a large bridge for sale, CHEAP. Make you a heck of a deal.
Take it back!!!
Lou

Posted on Sep 17, 2009

dontbother10
  • 2220 Answers

SOURCE: chain saw no start

It needs spark, fuel and compression to run, which is missing?
Lets start with spark. Replace the plug (very inexpensive and great insurance), then do this:
Ignition Coil Test by SmallEng.com
http://www.youtube.com/watch?v=L7WNBDRG4C4
You may need to use a jumper wire between the threaded part of the plug and the cooling fins. You do not have to bend up the electrode.

Before we get to fuel please download and follow the start procedure in your Operator's Manual here:
HusqvarnaUSA.com
http://www.husqvarna.com/us/homeowner/support/download-manuals/
Enter the 3 digit model number (no XPs, Es, just the numbers)
Serial number decode – useful when downloading IPLs and Manuals
06 1500198
06 = year produced – 2006 (single digit before 2000)
15 = week produced - March
00198 = 198th unit Husky produced that week
I own a Husky 359 that 1 time I forgot to set the fast idle (close then open choke). It was near impossible to start. I have missed the initial attempt to fire and flooded it too, again almost impossible to start.

If it has spark and the start procedure fails, put a teaspoon of fuel mix in the carburetor throat, open the choke, and pull. Does it fire and attempt to start? Yes it probably has a fuel delivery problem. Please repost with what you did and we will continue. HTH
Lou
IMO regardless of what your manual says ( yours probably 50:1) all 2-cycle engines should be operated on 50:1 (1 gallon of premium fuel to 2.6 ounces of quality 2-cycle engine oil). Once adjusted for this mix they start easier, pollute a bunch less, and do not foul out plugs, cylinders, or mufflers. Run lean conditions are most often caused by dirty air filters, air leaks not detected by the operator, or failing to add any oil to the fuel in the tank. Using a 32:1 mix prevents none of these occurring! I use a Pioneer chainsaw I purchased new early 1980 with a 50:1 mix.

Posted on Jan 06, 2010

dontbother10
  • 2220 Answers

SOURCE: Husqvarna chain chain saw wont run.

Inspect the flywheel and crankshaft under the starter cover. Are the woodruff key slots on the crack shaft and flywheel aligned and the key intact? If not; Please consider taking the saw to a good local saw seller/mechanic for a written diagnosis before authorizing any repair or ordering parts, if yes continue.

Disconnect the spark plug wire and remove the plug (was it tight?). Remove the muffler (clean it and the spark arrestor before reinstalling), hold a light at the plug hole and inspect the cylinder through the exhaust port. Is it smooth and shiny or does it appear speckled with dull gray spots or smears?

Pull the starter slowly, inspect the piston as it rises and falls. Is the piston ring intact? Hold the light at the exhaust port and look through the spark plug hole, inspect the top of the piston, Any obvious damage?

Remove the decomp valve leave the ignition off place you thumb firmly over the hole. Better?

If you have more questions or need additional help please reply below and I will get back to you. Thank you for using FixYa and Good Luck. HTH
Lou

Posted on Apr 03, 2010

  • 211 Answers

SOURCE: husqvarna 51 died and wont restart

hi
if you have a good compression,a strong enough blue spark and carburetion for the fuel air mixture try priming the engine(put small amount of gas in the spark plug hole)then start the engine.If the engine runs only the gas you put inside the cilinder there is a carburetion problem to find and fix.
let me know regards savumihai71

Posted on Apr 29, 2010

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You need 3 things for an internal combustion engine to run: Spark, Fuel, Compression. First pull through on the starter cord, if the compression fels good, then take out the plug and check for spark by leaving it connected to the plug wire and grounding the bottom to a metal part of the saw. If you see a strong blue spark at the gap, put it back in and remove the air filter. Using a spray bottle, spray some fuel/oil mixture into the carburetor and pull the starter cord, if it dires, you have a fuel system problem that will probably be remedied with a thorough cleaning. If the saw hasn't been run in a long time, odds are your problem is in the fuel system.

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I have a wild thing. the rope pull starter is very hard to pull. when i take the spark plug out it is easy to pull. the saw was not used for about 4 years until yesterday. it ran for about 45 minutes fine....


one piston ring has expanded now having no or a very fine gap increasing the compression ratio causing this to happen. When the spark plug is removed it is very easy to pull on the cord in any means. A inspection is due of this engine or a new chain saw is needed

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After starting and operating the chainsaw for a short time, it dies and I can't get it started again. Suggestions?


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Assuming you have the right oil-gas mixture and a fresh batch of gas, and you didn't leave old gas in the saw all summer long since last November.

-Take off the dirty air filter and see if saw starts without filter. Do not run without putting in new filter.
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If your saw has compression, spark, and fuel it should start unless carburetor is gummed up because gas was left in tank.
Here is the final trick. Start the saw while spraying WD-40 directly into carburetor and see if you can keep it going with the WD-40. This might take a helper. If this does not work, then carburetor is bad or gas line is clogged at carburetor. Time to take it to the shop.

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Always keep in mind that you need 4 things to make combustion happen: Fuel, Spark, Oxygen (Air), and compression. One or more of these is missing and we need to figure out who is missing the party.
Let’s start with the basics:
Does it have gas? (Fuel)
Is the kill switch on? (Spark)
When you pull the cord slow does it give intermittent firm resistance? (Compression)
Is the air filter clean (Air)
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It must have spark, fuel and compression to run. Your task is to figure out which is missing.
Sometimes electrical components quit operating once beyond a certain temperature. Does it always start cold and become tempermental when warm?
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Warm:
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well there are generalloy two issues with any motor. SPARK and FUEL

Remove the plug and hold it near the entry point of the plug hole so it earths to case. Pull starter cord and see if the plug has a stong spark.
the should also be some wetness on the plu indicating fuel is pumping. Place finger over the plu hole and pull cord avoiding any spark but check the amount of pressure in cylinder. The pressure should be stronmg enough to push your finger off the hole

Replace plug and open the air intake and spray some AEROSTART into air intake pull start cord. If this does not cause it to attempt a start, I would suspect the coil is fused and will need replacing

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