Chainsaw runs 1 minute then suddenly stops. Won't restart until cooled down. Cleaned carb & fuel pick-up also changed plug.

Question 1

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2014 KFX 50. After running 10-15 minutes (until warm) why does it bog down and stall then has trouble restarting?

Fuel tank breather, sticking carb float or float valve, spark disappearing as it warms...

Checking a few things immediately it stops should provide a clue...

Sep 07, 2020 • Motorcycles

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1995 isuzu pick up runs good but won't start after it runs for awhile

Does The Inlet Manifold Under The Carberetor Have Water Hoses Going To IT,If Yes? This Water Is To Keep The Carberetor Cool The Pipes And The Manifold Could Be Blocked Stopping The Water From Flowing And Allowing The Carb To Get Hot!
When You Stop The Fuel Evaporates Causing It Not To Start
Remove A Piupe When Cold Start Engine Does Water Flow Out,
If Yes Or No Re Fit Hose Then Remove Other Hose If Yes Then The Manifold And Or Pipes Are Blocked.
Remove Manifold Clear Out Blockage ,Replace Hoses Re Fill Radiator With Anti Freeze Solution ,Problem Should Be Solved
Hope This Helps

Mar 18, 2013 • 1995 Isuzu Pickup

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Toro Timecutter 14.38Z Model 74301 Briggs & Stratton Engine Model 280H07-0166-E1 Has NIKKI carb Starts & runs for ~ 15 minutes then stops. Will restart after 5 minutes rest and run...

Recheck spark when the unit cuts out. I am gonna guess you spent a lto of money chasing a bad coil! When a coil starts to go bad they become temperature sensitive. Time does the rest!

Dec 27, 2012 • Garden

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Husqvarna 181 se wet plug wont start -low is 1/4 turn -high is 1/4 turn- checked diaphgram - checked & cleaned carb

i would remove the muffler and clean the screen inside they build up with carbon and more so when you have carb problems

Aug 12, 2012 • Husqvarna Chain Saw Handle Models 181 281...

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Husqvarna Model 51 won't start. Was running fine and has never had a problem starting (owned since new, 14+ years). Chain slipped off. Fixed and then saw wouldn't start. Good bright spark &...

If you have a good spark, and there is fuel at the plug, the only things to stop it fireing up are a sheared flywheel key knocking the timeing out, or the engine has low compression due to wear or damaged piston and ring.

Sep 07, 2011 • Garden

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Poulan 446t Will start, won't continue to

The diaphragm in the carb is likely ruined from the gas gelling onto it. This will put pinholes in it and then it won't work properly. Pick up a carb kit and rebuild it (if parts available) and then you should be good to go. If you can't rebuild the carb, a replacement will run you 30 bucks or more.

Aug 21, 2011 • Poulan Pro 42CC 2 Cycle Chainsaw, 18"

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I have a series 51 husky saw. it starts and runs normally until it gets up to operating temps. then it stalls out and either refuses to restart or just won't restart until it cools down again....

sounds like air fuel mixture screws are out of adjustment..start with the on marked (L)..this is the low speed(idle) adjustment...turn it in all the way just until it stops..but be gentle..then you wnat to turn it out 1 1/2 turns as a starting point..start the engine and adjust it until you get a smooth idle...next, with the saw running, pull the trigger and you should have a smooth response from slow to fast...you can adjust the (H) screw until you get good high speed operation...if these adjustments don't fix the problem thenm yoou may need to have the carb rebuilt( a carb kit is usually only 15-30 dollars)

May 09, 2011 • Husqvarna Garden

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Chainsaw runs great for about five minutes then dies wont start until it cools off

Have you tried a new spark plug??

Ensure all cooling fins are clean.

Sounds like its getting too hot.

I assume you have the correct fuel / oil mix??

Lastly a fault in the carb but you mest have all the aboce corrected before going to carb strip down.

Jan 08, 2010 • Garden

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I have a Husqvarna 50cc "Rancher" it has served me well for about 23 years with very little trouble. Lately it has taken to running fine for up to 10 mins and then cutting out and refusing to restart until...

Carb needs cleaned. Have a pro tune up performed, it will run another 20 years.

Dec 04, 2009 • Husqvarna Garden

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I have a model 028 AV saw that stops running.

Have you changed the fuel filter of late? Snake it out of the fuel chamber with a little wire. Have you cleaned or replaced the air filter? Read the owner's manual, you can get one online at Makita's site in pdf form, even print it off. While you're at it, treat the saw to a new spark plug. (that's not the problem, but a little candy can go a long way). Finally, make sure everything's nice and clean, squirt a little carb cleaner in and around the carb. Read the manual again, esp the part about adjustments. Use a small screwdriver and go slow. It sure sounds like a fuel problem, I'll bet you a beer. Oh, yeah, wash out the fuel cap too, use the carb spay.

Jun 11, 2009 • Makita DCS6401 20 20",64cc Chainsaw 2...

Question 2

Andrew White

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Posted on Oct 11, 2011

Andrew White

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Joined: Dec 08, 2010

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A number of reasons for this, poor quaility fuel causing vapour lock, over heating due to starter cover vents blocked,cylinder fins clogged, running too lean on the carb mixture settings, fuel tank breather clogged ( slacken off fuel cap when it starts to die, if it picks up again, replace tank breather, or ignition unit breaking down when hot ( only cure is to replace the unit )

Answer 2

Peter Kennealy

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Posted on Aug 19, 2014

Peter Kennealy

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Sounds like ignition problem, click overheating or spark plug is not correct. I pressume isn't fouled by to rich mixture of oil. Be sure to not over work saw as it shouldn't be cutting into wood for much longer than 5-10 seconds for each pass.
Keep chain sharp and make sure bar is lubed.

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Chainsaw runs 1 minute then suddenly stops. Won't restart until cooled down. Cleaned carb & fuel pick-up also changed plug.

2 Answers

Andrew White

Peter Kennealy

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Related Questions:

2014 KFX 50. After running 10-15 minutes (until warm) why does it bog down and stall then has trouble restarting?

1995 isuzu pick up runs good but won't start after it runs for awhile

Toro Timecutter 14.38Z Model 74301 Briggs & Stratton Engine Model 280H07-0166-E1 Has NIKKI carb Starts & runs for ~ 15 minutes then stops. Will restart after 5 minutes rest and run...

Husqvarna 181 se wet plug wont start -low is 1/4 turn -high is 1/4 turn- checked diaphgram - checked & cleaned carb

Husqvarna Model 51 won't start. Was running fine and has never had a problem starting (owned since new, 14+ years). Chain slipped off. Fixed and then saw wouldn't start. Good bright spark &...

Poulan 446t Will start, won't continue to

I have a series 51 husky saw. it starts and runs normally until it gets up to operating temps. then it stalls out and either refuses to restart or just won't restart until it cools down again....

Chainsaw runs great for about five minutes then dies wont start until it cools off

I have a Husqvarna 50cc "Rancher" it has served me well for about 23 years with very little trouble. Lately it has taken to running fine for up to 10 mins and then cutting out and refusing to restart until...

I have a model 028 AV saw that stops running.

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2014 KFX 50. After running 10-15 minutes (until warm) why does it bog down and stall then has trouble restarting?

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Chainsaw runs 1 minute then suddenly stops. Won't restart until cooled down. Cleaned carb & fuel pick-up also changed plug.

2 Answers

Andrew White

Peter Kennealy

Add Your Answer

Attachments: Added items

Related Questions:

2014 KFX 50. After running 10-15 minutes (until warm) why does it bog down and stall then has trouble restarting?

1995 isuzu pick up runs good but won't start after it runs for awhile

Toro Timecutter 14.38Z Model 74301 Briggs & Stratton Engine Model 280H07-0166-E1 Has NIKKI carb Starts & runs for ~ 15 minutes then stops. Will restart after 5 minutes rest and run...

Husqvarna 181 se wet plug wont start -low is 1/4 turn -high is 1/4 turn- checked diaphgram - checked & cleaned carb

Husqvarna Model 51 won't start. Was running fine and has never had a problem starting (owned since new, 14+ years). Chain slipped off. Fixed and then saw wouldn't start. Good bright spark &...

Poulan 446t Will start, won't continue to

I have a series 51 husky saw. it starts and runs normally until it gets up to operating temps. then it stalls out and either refuses to restart or just won't restart until it cools down again....

Chainsaw runs great for about five minutes then dies wont start until it cools off

I have a Husqvarna 50cc "Rancher" it has served me well for about 23 years with very little trouble. Lately it has taken to running fine for up to 10 mins and then cutting out and refusing to restart until...

I have a model 028 AV saw that stops running.

Not finding what you are looking for?

Garden

2014 KFX 50. After running 10-15 minutes (until warm) why does it bog down and stall then has trouble restarting?

Ask a Question

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Manuals & User Guides

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WEEI2011_NAen_FL26C_579178701.pdf....

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