OS 40 SF
Iwas fortunate to find one of these in fairly good condition. The engine shows evidence of light use and was treated with after run oil. When removing the back plate to inspect the crankcase, of course I tore the paper gasket. I've found out that the back plate gasket from a 40 FX fits perfectly. What Ineed is a head gasket. I understand that this engine is long out of production so Imay have to make one. Will a head gasket from any other OSmodel fit this engine?
Thanks, Don |
RE: OS 40 SF
We don't have any list of parts that cross from one engine to another. You can try and see. You can also make a head gasket from .004"-.007" brass or aluminum shim stock. Before you do, though, please make sure you really still have the original cylinder head gasket. O.S. uses aluminum, and it looks like there's nothing there when you remove the cylinder head. If the groove it should be in is smooth, it's there. Look closely. You'll normally see some mold marks if the gasket isn't there. We remove them by carefully prying them up with the point of a #11 blade or a fine pin or needle.
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RE: OS 40 SF
I have what I think you are looking for....It is OS part no. 23364000 for 40FP and 40FP-S.
It measures .840" X 1.00" backplate gasket too. Nw in package. $5.00 dselivered. |
RE: OS 40 SF
That part is for a .40 FP and won't likely fit the .40 FX.
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RE: OS 40 SF
ORIGINAL: Raymac I have what I think you are looking for....It is OS part no. 23364000 for 40FP and 40FP-S. It measures .840" X 1.00" backplate gasket too. Nw in package. $5.00 dselivered. |
RE: OS 40 SF
ORIGINAL: Bax We don't have any list of parts that cross from one engine to another. You can try and see. You can also make a head gasket from .004"-.007" brass or aluminum shim stock. Before you do, though, please make sure you really still have the original cylinder head gasket. O.S. uses aluminum, and it looks like there's nothing there when you remove the cylinder head. If the groove it should be in is smooth, it's there. Look closely. You'll normally see some mold marks if the gasket isn't there. We remove them by carefully prying them up with the point of a #11 blade or a fine pin or needle. |
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