crankshaft seals

im pretty sure i blew a crank shaft seal
i feel air coming out at the left side cover
around the screws mostly
im also driping what i assume to be gas and oix mix (its almost black) from that side

anyone know where i can buy these seals ???
is it very hard to replace these seals ??
thanks in advance

I just bought a pair right hereCrank & Piston
Part #6and#48 Page 3 under crank and piston.Scroll down.Ron
PS:It will be a bitch.

thanks a lot ran i just ordered my seals

got my new crankshaft seal yesterday
installed it and it seems fine now
no more air getting out on the chain side

i think i need a new plug little sputtering
going on as it warms up

thanks for the help

was it hard to put in?

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Big Boss Hoss

My "happy time" engine is so damn happy I heard it giggle at me today