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  #1  
Old 09-07-2021, 08:14 AM
gjamrock gjamrock is offline
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Default 1811 carburetor on a 682?

Recently purchased a 682 and after an hour of mowing started to flood out engine. Came back a couple hours later and cylinders were flooded in fuel. I have a know good carburetor off my 1811 (blown m18). could I just bolt onto the 682 and be fine until I find a needle and seat.
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Old 09-07-2021, 09:11 AM
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ol'George ol'George is online now
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First, welcome to OCC
Hope you sit and stay a spell, ain't nothing here that hasn't been covered at one time or another by someone

I'd remove the carb and clean out the crud in the passage between the fuel hose and the needle valve, then put an inline filter in the line to catch the incoming debris from the tank.
a simple air hose will do the task.
If you are careful removing the float bowel, most times you can reuse the gasket without problems.
That will tell you if you have a worn out needle/seat, but
more than 1/2 of the replaced needle/seats are not bad, they just need the foreign material removed from under them.

Do check that the float does not have gas in it when rattling it in your hand, indication it needs either soldered or replace, depending on your skills.
Now as far as swapping the carb from an m-18, you didn't indicate what engine is in the 682, but if the linkage/fuel line is the same and bolts line up it will prolly work ok.
BUT,------ later M-18's have a fuel shutoff sol. that needs powered or no fuel will flow rendering a no run condition.
lets us know how things work out.

And do get the gas out of the crankcase as that can lead to catastrophic engine failure.
In the off season or when you have sufficient time, remove the gas tank and clean out the crud and check the screen in shut off valve.
you will need a new rubber bung in the tank to replace the old one as they always break or leak when disturbed.
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Old 09-07-2021, 09:12 AM
R Bedell R Bedell is offline
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First, welcome to OCC...........

Will it swap out?? most likely.
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CC Models: 100, 105, 1450, 782, (2) 784, & 2072

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Old 09-07-2021, 09:22 AM
gjamrock gjamrock is offline
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I figured it's been covered but when I try the search bar it pops up and closes out. I tried googling too but not much luck. Engine in the 682 appears to be a KT17 version 2 where it has and oil filter cover on side luckily. First time the 682 shut down she would only run on some spray. I checked fuel flow out of shut off valve and when that was good checked at carb to make sure fuel pump was pumping which it was. Then she ran good for about 30 more minutes. But yea an inline filter is always a good idea.. I originally picked the 682 up to put engine in my way nicer 1811
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Old 09-07-2021, 09:25 AM
gjamrock gjamrock is offline
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My 1811 is an 86 i believe and no wires running to the carb. I have a horizontal 17hp in her now I put m18 front cover on to drive around and haul wood ect.
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Old 09-07-2021, 09:31 AM
R Bedell R Bedell is offline
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Per the Cub Cadet Wiring Diagram(s), the 1811 model did NOT have a fuel shut off solenoid.
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CC Models: 100, 105, 1450, 782, (2) 784, & 2072

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Old 09-11-2021, 11:15 PM
gjamrock gjamrock is offline
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Carbs are the same! Naturally I just swapped the carb till I could clean the original one. Changed oil and put an inline filter on and a shut off valve cause I heard pumps are known to leak. Naturally I suspected the pump over the carb but was an easy swap. Ran for 10 seconds eventually, then lost spark go figure. Coils secondary ohmed out at 40k so been waiting on that. Got that in then had weak points. Think I'm cursed with Cadets at this point. May need a Honda swap! Got it going again tonight but not with the fuel on and smoked a bit. Eventually sprayed oily gas out the intake vent. So looks like a fuel pump swap is in order and another oil change.
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Old 09-12-2021, 08:14 AM
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When you get done, you will have a very clean engine, a clean carb, new pump/coil and be good for another 40 years.
Glad you are hanging in there.
I have a liking for those opposed Kohlers.
So many got a bad rap from the early series I, when in actually the series II and Magnums were superior, and in many ways the best of the best.
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Old 09-15-2021, 09:05 PM
gjamrock gjamrock is offline
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Well, got her running like a top tonight! Glad I went through the original carb she was pretty gunky in there. Ended up having to order a rebuild kit since bowl gasket tore and needle was missing its keeper spring and sticking a bit. Fired up first crank! Even got to mow a bit. Now onto my newish 782!
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Old 09-16-2021, 02:35 PM
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Quote:
Originally Posted by ol'George View Post
I have a liking for those opposed Kohlers.
So many got a bad rap from the early series I, when in actually the series II and Magnums were superior, and in many ways the best of the best.
The only issue I've had with them is the governor pin/gear. Other than that, solid smooth running engines that have a drinking problem! LOL
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