Author Topic: Husqvarna 140 x-torq  (Read 128 times)

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Offline revilo

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Husqvarna 140 x-torq
« on: July 12, 2018, 07:02:17 am »
I have a Husqvarna 140 x-torq which I'm currently repairing.  Initially the saw would not start so I cleaned the carb and it now starts and idles perfectly.  The problem is that it will not rev up fully.

The carb on this saw looks a little different to what I seen before.  It has two bores, one above the other.  The bottom bore is like a standard venturi for fuel/air intake and has a choke plate and a throttle plate.  The upper bore is purely for air - as far as I can see, and has a third plate for metering air flow.

When the throttle is first activated, the carb is operated as standard with the throttle plate opening.  When the throttle is activated to around 50%, and external linkage on the carb begins to open the plate in the upper bore.

At the point where the plate in the upper bore begins to open, allowing more air into the engine, the engine bogs down.  This suggests that there is a lack of fuel.

I have discovered that by turning out the H needle by almost one full turn (from the position it was in when I received the saw)  that the saw revs up perfectly.

As far as I know, the carb has not been adjusted previously and should be at factory settings.  It seems very  odd that the H needle needed to be turned out as far as it did to get the saw to rev up properly.

Ideally, I would like to get hold of a service manual for this saw or any other literature which gives the correct basic setting for the carb.  In the absence of sourcing a service manual, is there anyone out there who can shed any light on the issue that I've described.







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Offline Cut4fun .

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Re: Husqvarna 140 x-torq
« Reply #1 on: July 12, 2018, 08:19:35 am »
WAG sounds like the carb used on the little poulan stratos. Thinking about 3 turns out is norm if I recall right one right.
New carbs are like $15 here and we just replace them on the little saws when the carbs go bad.

page 30  ZAMA C1T-EL41       506450501   506 45 05-01     

husqvarna 140 ipl  http://www.makitaservis.ru/upload/iblock/2f4/2f4aa51cbcfad5d4b2220063cbdc5183.pdf


replacement carb new one of many offered here. https://www.ebay.com/itm/Zama-Carburetor-C1T-EL41A-Replaces-506450501-HUSQVARNA-440-Chainsaw-U-CCA25-/161866680801


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Offline Cut4fun .

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Re: Husqvarna 140 x-torq
« Reply #2 on: July 12, 2018, 08:21:35 am »
carb kit and part info if you decide  to go that route over just buying the carb http://www.zamacarb.com/carburetors/620
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Offline revilo

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Re: Husqvarna 140 x-torq
« Reply #3 on: July 12, 2018, 08:54:32 am »
Thanks for your help.  I'm going to take another look at the saw this afternoon.

Online ray benson

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Re: Husqvarna 140 x-torq
« Reply #4 on: July 12, 2018, 09:03:40 am »
 Check your messages for the 140 service manual. Page 41 for initial carb settings. Funny I just sent out the same manual to a new member on ope forum.
Ray
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