Used Outboard Engines are pretty easy to find if you know where to look. There are places just like the junk yards for cars that you look for spare parts. This is just one avenue of looking for them. I personally like to look online and recommend you look online to find the best deals. There are plenty of websites out there that can help you with finding whatever you need.
Shopping online is a great modern day tool that can be used to find your used outboard engine. Its critical that you look for the best deals that you can find as well as finding the best warrenties. There are a few places I would start. The first is google. I am sure that you have already look there and thats what brought you here, so you have a head start.
I have only purchased 1 engine in my entire life for the boat and it has worked out very well i have to say. I ordered it from a local gentleman who knew a good company to order it online from. He just took a small piece of what he paid for it. I didnt mind since I was paying him for his knowledge. If you know someone that is in the business, go and ask them where to go shopping to find your item you are looking for. So many people overlook the people around them that they might know that can help them find whatever they are looking for. Dont be one of these people. I am not saying to use people, but just keep in mind that you know people for a reason and if you can add some value to their life then they probably wont mind adding some to yours.
If you go shopping online and dont know anyone, then i Just recommend that you find a place that has been in business for a while and has a lot of positive feedback on their website. You dont want to buy from someone that is the new kid on the block. It can and has worked out for many, but it just might be a loosing game. Good luck finding your Used Outboard Engines.