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post #1 of (permalink) Old 04-02-2007, 02:02 PM Thread Starter
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Rough Idle / Parts Question...

OK, so finally got my Toy carb on and.... it runs well, but won't idle below about 1200rpm. I take that back, it will idle, but runs rough and surges really bad. Now I had to scavenge some parts for this thing, one of them being the "anti-diesel" / "idle fuel cut-off" solenoid (it's referred to as both). It was scavenged off of a 1.6 carb, cause I had no choice at the time. I'm thinking this is the culprit, as everything else checks out.
So, I do a parts search and.... I get some confusing answers. Some searches call for a solenoid with two wires (as is shown in the documentation), but others show a solenoid with a single wire. What the heck?!?
I'm sure tho one I have is wrong, as none of the part numbers for the 1.6 match the 1.2, but I want to make sure I get the right one this time. It's a '78 carb, #24481, for what it is worth.
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post #2 of (permalink) Old 04-02-2007, 10:18 PM
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If that solenoid is in the side of the carb or anywhere but the fuel inlet it is made to shut off the idle / transition circuits . In this case, they act much like the Weber and other carbs, that solenoid is intended to shut off the idle circuit to prevent dieseling . The rpm's you mention is just above this area , so either the jet/circuit is plugged or the solenoid is not opening . Many carbs use a single wire solenoid, it's ground is attained through the carb body/intake .

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