Trying to ID a carb.

marmon77

Member
I have a For 850 I was told it has an industrial 172ci in it. The carb is a Marvel Schebler the only markings I see are on the underside of the intake there's a 6 with a G underneath it. Trying to get the rebuild kit for it. In the regular carb kit I bought for it the gasket over the floats was too small. Also the air intake is 2" in diameter. Any ideas?
 
If you have the old gasket take it to a part store and compare it. I do that all the time at my local O'Reilly's auto parts store. They stock the walker brand kits and many have more then one size gasket in them. There is only like 4 sizes of the M/S carbs. Small medium large and extra-large.
 
On the underside of the top half of the carb, where it looks like
impressions of lungs, there is usually a part number stamped in.
That number may help ID what model it is.
 

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