Question about Husqvarna "Chain Saw - 16" Bar, 3 Hp

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My saw will start cold but once warm or hot it will not start.why?

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Hi,

Have you tried leaning out the carb? To adjust, the left hand screw is the lean, the right for higher.

Handie Andie

Posted on Apr 06, 2011

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1 Answer

Saw will start when cold but will not start after it has warmed up


Is your choke still on and sometimes the choke linkage will fall apart or fail. If your saw is a husky they are temperamental also don\'t choke saw after it\'s warmed up

Sep 21, 2014 | Poulan Garden

1 Answer

My Husqvarna 351 starts then stops after 1-2 seconds


Once the saw cools down will it restart and run fine? There are a couple other solutions that are not directly due to carburation. The first two solutions above are definitely your first options.

1. Ignition Coil: Highly unlikely, but possible. I seen some where they get hot and run fine while cutting, you shut it down for a few minutes for whatever reason and it won't restart or starts and stalls.

2. Crankcase Air Leak: We started to see more and more of these issues. There are a couple of quick ways to test this if you do not want to pay a shop to do an actual test. You want to do a cold test and a hot test. With a half tank of fuel, start the saw up for the first time of the day. While the saw is idling, turn the saw sideways from right to left, do this slowly, listen to the saw idle, if the speed changes by increasing or almost stalling, you have a crankcase air leak. Most bad air leaks won't be noticeable until the saw has gotten hot and the aluminum crankcase starts to expand a bit. Do the same thing once the saw has gotten hot. If this happens when it's hot, chances are that it won't start or starts and stalls until it cools down and everything retracts.
Test Results:
Sporadic idling when cold: Most likely just the oil seals, fairly inexpensive repair.
Sporadic idling when hot: Most likely crankcase itself is leaking, requires a complete crankcase gasket replacement. Can be fairly expensive to repair.

Apr 13, 2014 | Garden

1 Answer

I also have a stihl chainsaw model home light 240. I just had it sharpened and a new spark plug put in by the repair guy. I used it for 30 mins and it kept stopping until I couldn't start it again


Starting procedure for Stihl.
(cold starting)

Place saw on floor (flat clear surface).
Make sure chain break is on.
Hold throttle in, while pushing on switch all the way down.
Place right foot in the flat of the rear handle.
Place left hand on top handle.
Pull starter handle until saw fires, it should then cut out.
Click the starter switch up 1 click to half choke.
Pull starter handle again untilsawfires up. note: it will be reving because the trigger is loched on, (blip the throttle once) and it should go to tick over.

There should be np need to keep playing with the choke when the saw is warm. No need to lock the trigger when starting warm.

Warm starting is performed by holding the rear handle between the thighs rather than on the floor.

Nov 14, 2012 | Stihl Garden

1 Answer

M842 chainsaw wont start when hot


I suspect your warm start procedure is the fault, the manual is not correct IMO. Any choke on a warm engine causes flooding, try this, if no better post back or return it for warranty replacement.

Start Procedure
Cold:
  1. Ignition on/off to on.
  2. Set compression release – optional step even if saw is equipped with a compression release.
  3. Pull (close) choke, set fast idle (done when choke closed on some saws); pull starter and listen for an attempt to start. once heard (usually two pulls; no more than 4).
  4. Set compression release – optional step even if saw is equipped with a compression release.
  5. Push (open) choke pull starter until it starts. (usually first pull).
Warm:
  1. Ignition on/off to on.
  2. Set compression release – optional step even if saw is equipped with a compression release.
  3. Pull (close) choke, set fast idle (done when choke closed on some saws) – Do not pull with choke closed.
  4. Push (open) choke, pull starter until it starts. (usually first pull).
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

Mar 13, 2010 | McCulloch Garden

1 Answer

Husky 254 xp spark from plug but will not start plug seems to be wet


If the plug is wet the saw is flooded. Try the following to clear that condition.
Extreme Flooding by Dolfoff; Please follow this link,
http://www.fixya.com/support/t3226410
cursor down to “Best Solution”, while there click the “Was this helpful? [Yes]” button.

Once the flooding condition is cleared this start procedure works for every saw I have (7). Please read line 3 twice; both cold and warm.
Start Procedure
Cold:
  1. Ignition on/off to on
  2. Set compression release – optional step even if saw is equipped with a compression release
  3. Pull (close) choke, set fast idle (done when choke closed on some saws); pull starter and listen for an attempt to start. once heard (usually two pulls; no more than 4)
  4. Set compression release – optional step even if saw is equipped with a compression release
  5. Push (open) choke pull starter until it starts. (usually first pull)
Warm:
  1. Ignition on/off to on
  2. Set compression release – optional step even if saw is equipped with a compression release
  3. Pull (close) choke, set fast idle (done when choke closed on some saws) – Do not pull with choke closed.
  4. Push (open) choke, pull starter until it starts. (usually first pull)
Good Luck. HTH
Lou

Feb 27, 2010 | Husqvarna Garden

1 Answer

It starts and runs but when you turn it off it won't restart.


I think the warm start procedure in the manual is causing it to flood. Try it like this, if you continue having problems reply below and we will try something else. PLEASE read #3 (Cold and Warm) a few times before attempting to start. Try it without 1/2 choke (your manual); completely open.
Start Procedure
Cold:
  1. Ignition on/off to on.
  2. Set compression release – optional step even if saw is equipped with a compression release.
  3. Pull (close) choke, set fast idle (done when choke closed on some saws); pull starter and listen for an attempt to start. once heard (usually two pulls; no more than 4).
  4. Set compression release – optional step even if saw is equipped with a compression release.
  5. Push (open) choke pull starter until it starts. (usually first pull).
Warm:
  1. Ignition on/off to on.
  2. Set compression release – optional step even if saw is equipped with a compression release.
  3. Pull (close) choke, set fast idle (done when choke closed on some saws) – Do not pull with choke closed or at 1/2 choke position.
  4. Push (open) choke, pull starter until it starts. (usually first pull).
Hope this helps.
Lou

Feb 21, 2010 | Poulan Garden

1 Answer

Mcculloch 3516 chain saw, does not always start.


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?
IMO most hard start problems on a chainsaw with a good fuel delivery system are flooded.
Start Procedure
Cold:
  1. Ignition on/off to on
  2. Set compression release – optional step even if saw is equipped with a compression release
  3. Pull (close) choke, set fast idle (done when choke closed on some saws); pull starter and listen for an attempt to start. once heard (usually two pulls; no more than 4)
  4. Set compression release – optional step even if saw is equipped with a compression release
  5. Push (open) choke pull starter until it starts. (usually first pull)
Warm:
  1. Ignition on/off to on
  2. Set compression release – optional step even if saw is equipped with a compression release
  3. Pull (close) choke, set fast idle (done when choke closed on some saws) - Don’t pull with choke closed.
  4. Push (open) choke, pull starter until it starts. (usually first pull)
The 3516 is a MTD McCulloch (Chinese). These saws are in a class by themselves. Good Luck
Lou

Nov 15, 2009 | McCulloch Garden

1 Answer

Hartd to start when saw is warm


Are you choking it? You shouldn't be if hot. If no clean the air filter and try again. Are you setting the fast idle? You should be. Better? If your start procedure is similar to below and your fuel hoses have no cracks or holes the carburetor needs adjusting. A tune up might be a good idea. About $40 at your friendly neighborhood Stihl dealer (regardless of make). If taken in for tune up, get the oil/fuel ratio and use it until your next tune up (regardless of what manual says). HTH
Lou

Start Procedure
Cold:
  1. Ignition on/off to on
  2. Set compression release – optional step even if saw is equipped with a compression release
  3. Pull (close) choke, set fast idle (done when choke closed on some saws); pull starter and listen for an attempt to start. once heard (usually two pulls)
  4. Set compression release – optional step even if saw is equipped with a compression release
  5. Push (open) choke pull starter until it starts. (usually first pull)
Warm:
  1. Ignition on/off to on
  2. Set compression release – optional step even if saw is equipped with a compression release
  3. Pull (close) choke, set fast idle (done when choke closed on some saws) - Don’t pull with choke closed.
  4. Push (open) choke, pull starter until it starts. (usually first pull)
Hope this helps
Lou

Oct 15, 2009 | Poulan Pro Chain Saw 46cc 20"

1 Answer

Poulan Pro 18 inch saw. Once the unit is warm it


start saw when cold and work it hard. if it stalls or quits remove spark plug and hook the plug wire to the plug and ground to the cyl head have switch on and pull the start rop briskly a few times or use a test plug. if there is no spark disconnect ign switch from from the ign wires and pull rope a few more times.spark?= replace ign switch,no spark until engine is cool,replace coil.

Sep 23, 2009 | Poulan Pro Chain Saw 46cc 20"

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