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need a little help again bolens 1050


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#1 petrj6 OFFLINE  

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Posted May 01, 2016 - 06:00 PM

   SO I am trying to get this bolens 1050 straightened out for resale and am having some trouble, got the clutch and drive system all sorted, engine and pulleys are all sorted but now I am having trouble again.  has a Wisconsin engine that seems to run really well, Idles great and throttles up ok but the instant you hit the pto the engine just has no power and cant hold the rpms, I have cleaned the carb two or three times and it is super clean, tank is nice and clean and nothing I do to the carb seems to make a difference.  Points have been cleaned and gapped correctly.  nothing seems to make a difference.

   At first I really thought it was a fuel delivery issue but I am now leaning towards maybe a spark Issue ?? anyone have any thought ?? I tried another condenser on there from a good running briggs engine but it didn't make much difference.  gonna get a new plug and condenser tomorrow.

                                Pete



#2 29 Chev ONLINE  

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Posted May 01, 2016 - 06:06 PM

An easy way to check for consistent spark is hook a timing light to the plug wire, start the engine and observe the flashing of the light.  Engage the PTO and see if the flashing of the light is still consistent or intermittent.  Do you have power if you drive it and try to take off in third gear hi range or does it act up and cut out then as well?  You may have something seized or binding in the PTO unit or the idler pulley - just a thought.


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#3 boyscout862 ONLINE  

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Posted May 01, 2016 - 06:15 PM

Could it be that the valves need to be adjusted? That could limit its power when under a load. Is it too big of a load on the PTO? Check that everything moves as it should. Good Luck, Rick


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#4 Auburn David OFFLINE  

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Posted May 01, 2016 - 06:16 PM

Have good compression?


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#5 Mtypython ONLINE  

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Posted May 01, 2016 - 06:33 PM

Took me a bit with my 1053,till i figured out it was a twist lock throttle

#6 petrj6 OFFLINE  

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Posted May 01, 2016 - 07:08 PM

   this is definitely  engine trouble, if you take of in third gear it does the same thing.  don't think it is low compression as the engine has plenty and is good and loud when running.  I will check the valve clearances tomorrow and try the timing light idea as well.

                                                                                                                                                  Pete


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#7 Bolens 1000 ONLINE  

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Posted May 01, 2016 - 07:13 PM

I would bet you have valve issues, most likely worn guides since you looked at the carb and ignition already

They will run fine without a load but once you apply a load they bog right down


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#8 farmerall ONLINE  

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Posted May 01, 2016 - 07:37 PM

Adding to what the others have said above I would check your head gasket. My 1050 would run good with no load but when I tried to run the mower the engine barely had enough power to spin the blades and drive the tractor. I gave up trying to mow with the tractor and at a later date the head gasket failed. After replacing the head gasket the tractor seems to have more power and has no problem pulling a Brinly plow through the ground.


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#9 Auburn David OFFLINE  

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Posted May 02, 2016 - 08:24 AM

   this is definitely  engine trouble, if you take of in third gear it does the same thing.  don't think it is low compression as the engine has plenty and is good and loud when running.  I will check the valve clearances tomorrow and try the timing light idea as well.

                                                                                                                                                  Pete

Head gasket..valves,rings..they all effect compression..even leaky spark plugs can do it.


Edited by Auburn David, May 02, 2016 - 07:09 PM.


#10 petrj6 OFFLINE  

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Posted May 02, 2016 - 06:51 PM

   Thanks david but I fully understand what will give low compression on an engine.  I tore the engine down today and the valves are very loose in the guides, they look brand new which fits the description I got that the motor had been rebuilt, the entire engine looks to be in really nice shape just the valve guides are worn out.  thanks for the help guys.  

                                       Pete


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#11 Auburn David OFFLINE  

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Posted May 02, 2016 - 07:09 PM

Good..its a simi Easy fix it sounds like.



#12 Auburn David OFFLINE  

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Posted May 02, 2016 - 07:10 PM

Wasn't meaning to come off as a know it all.


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#13 petrj6 OFFLINE  

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Posted May 03, 2016 - 04:04 AM

    I am not gonna fix it at this point, I picked this up for resale.  I cant get to much into it or there is no money to be made.  it runs and drives for now so I will sell it that way and cut my losses.

                                          Pete






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