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#Post#: 50491--------------------------------------------------
Dolmar 5100 carb
DIR By: farmboy
Date: December 11, 2014, 7:47 am
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Anybody figured out the problem/fix with the 5100 C1Q DM carbs?
Randy (MM) had put the 5100 on his will not port list because he
had too many carb probems. I hadn't had any problems with them
until recently. Now it's like is there any of them good.
Started looking into another C1Q carb I could swap shafts but
haven't found anything yet.
Shep
#Post#: 50492--------------------------------------------------
Re: Dolmar 5100 carb
DIR By: NathanielVansickle
Date: December 11, 2014, 8:30 am
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i had one awhile back that i just couldnt get straightened out
so it got replaced. dont spend too much time trying to fix it.
i had 2 hrs in messing with the one i did and it was better and
useable but still not right.
HTML http://performanceoutdoorequipment.com/products/dol-181153300-carburetor
HTML http://performanceoutdoorequipment.com/collections/carburetor-and-fuel/products/zama-c1q-dm13b-zmc1q-dm13
#Post#: 50497--------------------------------------------------
Re: Dolmar 5100 carb
DIR By: 660magnum
Date: December 11, 2014, 10:36 am
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My 5105 and 7900's have Zama carburetors and I've never had any
problem with them.
But with carburetors that do have trouble beyond a diaphragm or
trash in the screen problem have not been worthwhile trying to
fix.
With the alcohol fuels, if I see evidence of white death in a
carb - it's all over - new carb time. Many times the problems
are from contaminated fuel.
Luckily, I've had no problems with my own stuff. The problems
have come from stuff I horse traded for.
I went to the Husqvarna dealer last week and it was raining.
There was a new Husky plastic type saw in a display, outside in
the rain. I didn't think good of that.
#Post#: 50506--------------------------------------------------
Re: Dolmar 5100 carb
DIR By: NathanielVansickle
Date: December 11, 2014, 11:52 am
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thats just it. for all the talk about 5100/5105 having carb
trouble i have seen 1 that needed the carb replaced in the last
couple years. with that track record i could say that stihl
200,201,361,660 all have bad carbs too
#Post#: 50869--------------------------------------------------
Re: Dolmar 5100 carb
DIR By: fordfairlane78
Date: December 18, 2014, 2:41 am
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I have 3 of these carbs that are bad. Tim or killiansredleo got
me in touch with a gentleman selling them new for $50. All the
bad ones would tune out & sound ok but after WOT rpm drop would
not idle & just die. The new one worked fine so I pressed out
the little valves from the good & into the bad using a bit
upside down in my drill press & all was good so the problem lies
in those little valves. I tried to order just this part & zama
had quit selling just the valves. What makes them go bad, I
don't know, big possibility that it's a bad fuel issue.
#Post#: 50871--------------------------------------------------
Re: Dolmar 5100 carb
DIR By: Chainsawr
Date: December 18, 2014, 5:10 am
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The newest carbs used on the last year or two of 5105 seem to be
much better, we haven't had a bad one yet. The new replacement
carbs have been just as good too.
We did 20+ through the 5100s and 5105 though. The earlier
poster is correct, at the time if we had a fairly new saw that
just would not tune right after warm up it was time for a whole
carb.
I'd still say we do the most 359/357xp/2159 carbs usually about
2 a week all year.
Second place would be small Stihls in the MS170 to MS250 range.
Third would go to MS200t but we have been able to repair those
carbs with acc. pump removal most of the time.
Then, out side of the medals podium for carb replacement rate
would be the 50cc Dolmar.
#Post#: 50873--------------------------------------------------
Re: Dolmar 5100 carb
DIR By: aclarke
Date: December 18, 2014, 8:41 am
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The accelerator pump zama carb on the 200t gets high marks for
ingenuity but really didn't work that we'll even when new. We
ran the earlier non limited Zama in all our ms200's and they
were great.
#Post#: 50877--------------------------------------------------
Re: Dolmar 5100 carb
DIR By: Cut4fun
Date: December 18, 2014, 10:56 am
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Adam there is a member here that had a fix I guess for the 200
carbs (like Scott had on the 199 carbs). They would rebuild
them and send back. It's offered in their store here in where to
buy online and a thread here somewhere.
#Post#: 50898--------------------------------------------------
Re: Dolmar 5100 carb
DIR By: Chainsawr
Date: December 19, 2014, 5:11 am
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--- Quote from: aclarke link ---
>
> The accelerator pump zama carb on the 200t gets high marks for
ingenuity but really didn't work that we'll even when new. We
ran the earlier non limited Zama in all our ms200's and they
were great.
>
--- End Quote ---
Yes those were great! There was also a service replacement ZAMA
carburetor without the accelerator pump that works much better
too, but I can't remember the exact number on it.
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