wisconsin engine
#1
12-03-03, 01:16 PM
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wisconsin engine
Today I got a hold of a wisconsin engine. Its single cylnder air cooled. I tried to get the model #'s but the plate there on is kinda scratched up anyway heres what i have Model-S8D2 Next set of #'s was 398451 then the serial was 652?44 not sure on that last set of #'s had to use my imagination to figure out a couple. I dont know anything about these engines but it seem pretty rugged. Its all there exept the carb? Any ideas where i could get one of these? Once again i know knothing about this kind of engine so any help, pics, or websites would be greatly apperciated. Thanks
#2
12-03-03, 06:06 PM
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Also i just noticed that the exhaust valve is stuck open. Do i need to pull the head off and take the valve out to fix this and if so do i need to get a new head gasket. When i looked at the exhaust vlave it had something on it with very small springs inside it under the valve spring and between the keeper. What is this and what does it do.
Thanks again
Thanks again
#3
12-04-03, 01:48 AM
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Hello Butterfingers!
You might find a carb on Ebay, or do some searching online. Otherwise, I don't know where to find one other than just checking around at small engine shops for a used one. It sounds like you may be describing a valve rotator on the exhaust valve, but can't say for sure without seeing it. If so, it allows the valve to rotate while the engine is running to keep valve wear uniform. You will do best to remove the head and the valve and clean up the stem and guide. If the head gasket is metal, you can re-use it.
You might find a carb on Ebay, or do some searching online. Otherwise, I don't know where to find one other than just checking around at small engine shops for a used one. It sounds like you may be describing a valve rotator on the exhaust valve, but can't say for sure without seeing it. If so, it allows the valve to rotate while the engine is running to keep valve wear uniform. You will do best to remove the head and the valve and clean up the stem and guide. If the head gasket is metal, you can re-use it.
#4
12-05-03, 04:35 PM
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Thanks for the reply cheese. Yesterday I took out the stuck exaust valve and i will lap it but I dont know how i am going to get it back in. It uses split retainers to hold it on and the valve spring is quite long and stiff. I took it off by compressing it with 2 screwdrivers but i dont know if i can get it back on that way. Any suggestions? Thanks
#5
12-05-03, 10:32 PM
Forum Topic Moderator
I have used the "2 screwdriver method" 
a few times with sucess, but it is aggravating. I have an assortment of different valve spring compressors to do the job. Briggs and stratton makes a valve spring compressor that would work well. I see them all the time for sale on Ebay for cheap.
a few times with sucess, but it is aggravating. I have an assortment of different valve spring compressors to do the job. Briggs and stratton makes a valve spring compressor that would work well. I see them all the time for sale on Ebay for cheap.
