You are ready to get your boat out on the water, but something is wrong — and it appears to be the outboard. You figure you can save yourself a few bucks and try to repair it yourself, but you cannot find your Mercury outboard manual anywhere. Looks like you will be heading to a professional. On the other hand, you could buy a replacement from the vast inventory on eBay. All you need to know is what model of Mercury or Mariner outboard you own, as well as the year it was made. After all, the company has been around since 1939. You can even find books that date back several decades.

• 1988 Mercury 175 Black Max Parts
• 1991 Mercury 175 Black Max Diagram

All manuals are written so that a do-it-yourself mechanic can troubleshoot his or her own boat, but they provide the exact same guidance that professional mechanics use. In fact, the U.S. Navy and Coast Guard use a Mercury outboard manual when necessary, as do numerous trade schools and higher education institutions. Save yourself some grief, and go ahead and pick up a manual for your boat before the need for it arises. Shop the large inventory of boats, and!

For more how to videos, visit www.boats.com. We're spending the day with the service gurus at Norfolk Marine talking about some maintenance issues, and one we haven't touched on yet is how to change the thermostat on an outboard engine. 2002 yz250f service manual free download. This is a stuck thermostat.

Chris, how do I even know if my thermostat is stuck in the first place? Chris Breeden, Service Manager/Yamaha Master Tech: Well, one of the easiest signs is you get a high idle and oil dilution. The oil dilution is going to be fuel finding its way past the rings and getting into the oil. Lenny: Oh, when your engine is 'making oil'. Chris: That's it.

1988 Mercury 175 Black Max Parts

Lenny: Well, can you show us how to change the thermostat? Chris: Sure can. First thing, just pop the cowling off, set it aside, and on this model there's a flywheel cover, it pops right off, and on the 150's (Yamaha F-150 four-stroke outboard) it's located right here on the side. Take your ratchet with a 10mm, pop these guys loose, and with all three bolts out we can get the cover out of the way.

Then it comes right out. Lenny: That's what a new thermostat looks like, and there's an old one. Chris: That's what they're supposed to look like when they're cold, completely closed. Lenny: On every model engine the thermostat will be located in a different place, right? How do I know where to find it? Chris: The easiest way is to refer back to the service manual, and if you don't have the service manual you can go on the internet and Google, and find it there. Lenny: So just about all of these service manuals, you can find on the internet?

1991 Mercury 175 Black Max Diagram

Chris: I haven't found one yet that you couldn't.