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Which Carb On A Tec. Oh150

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#1 sodisr OFFLINE  

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Posted December 11, 2013 - 11:12 AM

I'm having a heck of a time pinpointing  which carb is on my  bolens 1556- 01 ,, tec. engine,, oh150 or HH150 ??


     Serial # 1291E ---      on engine


      The carb shows a  walbro     LMH-1 on the top of the flange going into the head. The closest thing I see is a   LMH-10  ..


I also cannot find a manual for rebuilding it  or a parts list for it...There seems to be not much on manuals for the 1556,,,So should I try and go by somthing like the H14,,, or H16 ???


I would like to pull the carb and clean it but would like to have an exploded view of it first.. I don't want to get ahead of myself..



                Any help to get the closest info on this engine and carb would be greatly app.   Thanks   sodi.



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#2 PappyH OFFLINE  


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Posted December 11, 2013 - 11:44 AM

That is the same carb that is on my 1556.  I had to take mine apart for cleaning and it was pretty simple.  If you have had any other carbs apart you will be fine doing this one.  I agree there is not much to be found about the 1556 on the net.  Good luck, Bryan.

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Posted December 11, 2013 - 12:34 PM

That is the standrad LMH carb, same used on the OH140 & OH160 motors. Usually if you buy a master rebuild kit, it has extra gaskets and parts to work on yours. I would say just buy a stadnard LMH kit and then when you tear yours apart, match the gaskets.

There are plenty of kits on Ebay, I usually buy from Randys engine repair, little more expensive, but he gets me the correct parts.

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#4 Hydrohusky OFFLINE  

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Posted December 11, 2013 - 03:15 PM

I have an early 1556. It came equipped with an LMH-1 carb. It was leaking fuel into the air cleaner when the tank was full. Purchased a couple rebuild kits, but became frustrated because the kits were made for the LMH-1a revision of the carb. The LMH-1a uses a different needle/seat setup than the LMH-1. Now have a couple 1a carbs which work great! They came from OH/HH 140,150,160. Schematics from an LMH-1a should work fine for you.
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#5 MyBolens1053 OFFLINE  

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Posted December 11, 2013 - 03:46 PM

I did look into this and found a guy on youtube running into trouble with some of the Walbro LMH carburetors. There is a jet that you don't want to mess with unless you understand how it was put in to begin with. Other than that it's a very simple carb to work on.. Fuel pump, throttle body w/ needle and float.


Here's the video:



Edited by MyBolens1053, December 11, 2013 - 03:48 PM.

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#6 superaben OFFLINE  


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Posted December 11, 2013 - 06:45 PM

I can get you an LMH-1A kit OEM Walbro for $19.71.


Kit # is K1-LMH. 


Try this for an IPL:


Attached File  LMH1a.pdf   97.1KB   125 downloads


Ben W.

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#7 Newpaws493 OFFLINE  

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Posted December 11, 2013 - 08:36 PM

Maybe this'll help. good luck









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