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Hard starting Craftsman Tractor YT4000


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#1 squirt48 OFFLINE  

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Posted September 26, 2016 - 11:00 AM

My 2013 Craftsman Tractor model YT4000 with a Briggs & Stratton 24 hp motor has been a hard starter from day 1. I have charged the battery, changed the fuel filter, changed the plugs, cleaned / replaced the air filter, all to no avail.  Once I finally get the tractor started it runs like a top, smooth running with no problems.  Once the motor is warmed up it will start immediately.  I have checked the carburetor linkage and it looks like it is operating correctly, that is when I put the throttle in the choke position the linkage moves all the way toward the closed position and then when the tractor has finally started and I move the throttle lever to the run position the linkage moves toward the open position.  Any help or suggestions would be appreciated.



#2 grattone ONLINE  

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Posted September 26, 2016 - 11:17 AM

Check valve adjustment, compression release on brother in laws Briggs was not working because of valve too lose.

Good luck !


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#3 jms180 ONLINE  

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Posted September 26, 2016 - 12:09 PM

Check valve adjustment, compression release on brother in laws Briggs was not working because of valve too lose.

Good luck !

I agree Briggs and Stratton valves get out of adjustment and makes the engine turn slow because the compression release is not working properly. YouTube is your friend for adjustment video


Edited by jms180, September 26, 2016 - 12:10 PM.

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#4 Merle013 OFFLINE  

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Posted September 26, 2016 - 12:39 PM

I had the same issue with a Troy-Bilt. Sold it cheap because of the issue. Wish I had known then what I know now :)



#5 grattone ONLINE  

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Posted September 26, 2016 - 02:22 PM

Be careful with the valve cover gaskets, I have reused them to run the unit after the adjustment and check to see if it works ok. Then if you have to do more or you are lucky and they don't leak you will not waste a good set. (call me cheap if you like )

  :)


Edited by grattone, September 26, 2016 - 02:22 PM.

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#6 SimplyRad ONLINE  

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Posted September 26, 2016 - 02:38 PM

Be careful with the valve cover gaskets, I have reused them to run the unit after the adjustment and check to see if it works ok. Then if you have to do more or you are lucky and they don't leak you will not waste a good set. (call me cheap if you like )

  :)

Hi "Cheap"

 

I have reused the gaskets when I had the head and oil pan off my Kohler. They were almost new though.


Edited by SimplyRad, September 26, 2016 - 02:38 PM.


#7 EricFromPa OFFLINE  

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Posted September 26, 2016 - 05:02 PM

445000

 

OHV Twin Cylinder

 

Intake .004 / .006

Exhaust  .004 / .006

 

 

It's good to check valve lash every 100 hours I usually check mine every spring just before mowing season starts.It could be off only .002 and it will disable the ACR (Automatic Compression Release) Very very hard on starters especially if you have to jump start it to get it to crank over.

 

Also a GOOD battery is to be used in them.I suggest something with a CCA rating of atleast 300.Those little 200-275cca batteries are OK for a single cylinder engine but not a Twin.Those cheap batteries only last 2 or 3 years anyway.Spend double the money and get a good battery that will last for 8-10 years.Had really good luck with the Deka 410 350cca batteries.$55 and I have 1 that is 11 years old and still strong.

 

Had a $50 Die Hard battery die on me after only 2 years of light use.I kept on a tender over winter so it would not freeze up.Didn't help.Cheap Wallmart Neverstart battery lasted longer.Got 3 years out of a 230cca.

 

This is similar to the old battery I have.

http://www.lowes.com...attery/50183755


Edited by EricFromPa, September 26, 2016 - 05:32 PM.

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