Re: service manual 4hp evenrude
Welcome Smallboat!
You can check on e-bay for OEM service manuals....they pop up there from time to time. Or, search up Ken Cook Co. for a reprint of the original service manual. The OEM manuals are the best because they give specific info for your particular engine.
Lot of parts still available for that engine through any J/Rude dealer or right here thru iboats mega mall.