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Old 11-21-2011, 03:19 AM   #1
Languid Virago
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Default Tillotson carb on a DA100

Hi, I just picked up a used DA100 standard version, barely run in, but the odd thing is it comes with a Tillotson carb, my other DA100 has a WJ71 but it is an L version. The seller insists that was the way it came from DA.

Did DA ship some engines with Tillotson carbs on non L version DA100s? and is it worth the changing it for a Walbro WJ-71? since the seller has a couple of 3W 106s too, I am wondering if they are the scource of the carb at some point and he has forgotten or isn't saying.

Also I can't find a carb number on the Tillotson, anyone know where I can find it?
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Old 11-21-2011, 10:47 AM   #2
antique
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The number is on the carb body, look near the needles..Likely starts with an "S"...
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Old 11-21-2011, 10:54 AM   #3
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Those are 3W carbs. to my knowledge they never came on a DA.
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Old 11-21-2011, 10:56 AM   #4
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There is nothing near the needles other than H and L, i can work out what they are. I have an " S2" on a cover plate, a " 28" near the throttle arm and on the carb body what looks more like a stamped serial number than a carb model number " 232E632"
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Old 11-21-2011, 11:27 AM   #5
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That's the carb number, the letters would be HS...Sometimes there's not enough room for the letters...
Google HS 232 tillotson
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Old 11-21-2011, 11:37 AM   #6
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Quote: Originally Posted by antique
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That's the carb number, the letters would be HS...Sometimes there's not enough room for the letters...
Google HS 232 tillotson
ah, thanks, Antique, it seems to be a 3W106 carb. Cheeky seller looks like he swopped it out at some point.

I suppose the next question is, is it worth keeping or replacing? are Tillotsons any good? 3W seem to use them.
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Old 11-21-2011, 01:54 PM   #7
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Replace it with the wj. There's a reason he swapped them out Not saying the tillies don't work but, that one must of not.
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Old 11-21-2011, 02:10 PM   #8
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How does it run with the T carb.?
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Old 11-21-2011, 02:19 PM   #9
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I have not run one on a DA... but I have had both walbro and Tillotsen on the 3W... and I prefer the tillotsen. All my DA's over the years have had Walbro...

Not sure why the previous owner would have swapped it out though.... If it runs good, I would keep it.
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Old 11-21-2011, 04:38 PM   #10
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Swap it and save yourself some grief. On all 3 of the 3W engines I've owned, I've put Walbro carbs, DA or Excel ignitions and aluminum carb blocks on them and then they ran like they should have from the factory.
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Old 11-21-2011, 05:40 PM   #11
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Try it with the Tillotson. I'd be surprised if it didn't run the same as with a Walbro.
Neither carb was designed for a twin-cylinder model plane motor.
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