Mercury Engine Oil | Outboard Motor Oil - Part 35

Replacing Floats

Last weekend I helped a friend troubleshoot some issues he was having with his older 65hp Mercury outboard motor. Whenever he pumped the bulb to get the fuel lines filled with gas, the gas started spraying out of both carburetors. Too much pressure seemed to be reaching the carburetors in the float bowl.

We took apart the fuel pump and did not find any holes. After some more inspecting we concluded that it was probably time to replace the old cork floats with new plastic floats. We did that, put the parts back together, filled it up with fuel and Mercury outboard oil, and then gave it a go. The new floats seemed to do the trick!

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Taking Advantage of the Weather

The reason I’ve been so anxious to stock up on Mercury oil is I don’t know how much longer we’ll get to enjoy good weather. I suppose I should start by explaining that it has been exceptionally rainy. We’ve finally gotten a small reprieve, so I’m determined to take advantage of the good weather, which may not return again until late June.

This weekend I’m hoping to take a few guests out on my boat. It’s a little cold for water sports, but taking a cruise around the lake will be a pleasant break from the norm. I’ve got my fingers crossed that Mother Nature will cooperate!

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Lightboat Swiftsure

Built in 1904, Swiftsure is one of the oldest lightships in the United States. It is also the only lightship to have its original steam engines. Its journey began in Camden, New Jersey and continued to the tip of South America and back up to the Blunts Reef, California. It was part of a successful rescue mission of 150 passengers whose ship had run aground in a dense fog.

The boat has had other names (it started out as simply Lightship #83) over the years. Its current name refers to the Swiftsure Bank near the entrance to the Strait of Juan de Fuca whish separates WA from Vancouver Island. The Swiftsure is a National Historic Landmark and is currently moored at – you guessed it- Lake Union in Seattle. Yes, my Mercury engine oil purchasing buddies will be hearing about this vessel, too.

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The Duwamish Fireboat

For 75-years the Duwamish was one of the most important fireboats in the United States. The Duwamish was built in 1909 specifically for the Seattle Fire Department. On board were three American LaFrance steam piston pumps rated at 3,000 gallons per minute apiece. An upgrade in 1949 bumped the rated capacity to 22,800 gallons per minute. Only the L.A. Fire Department’s Warner Lawrence has exceeded the Duwamish (38,000 lpm), and that didn’t occur until 2003.

When volunteers are available, visitors can board the Duwamish, which is moored at South Lake Union Park in Seattle. The boat is used by the Sea Scouts (a part of the Boy Scouts of America) and maintained by the Puget Sound fireboat Foundation. This is another vessel I’ll tell my buddies about when I go get my Mercury 2 stroke oil.

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Northwest Seaport

Last week I dedicated a lot of space to Mystic Seaport. This week I’m going to take you to the opposite coast to the Northwest Seaport Maritime Heritage Center in Seattle, WA. Not surprisingly, the Northwest coast has a rich maritime history. In the 1960s a campaign called “Save Our Ships” was launched to save the Wawona, which was successfully bought in 1964.

The Wawona was a three-masted fore-and-aft schooner. It was used as a lumber carrier and fishing vessel from 1897 to 1947. Unfortunately, the Wawona was slated to be towed to a dry dock and dismantled in 2009. The schooner’s masts had already been removed three years earlier for safety reasons. I’m glad I got to see the ship before it was destroyed. When I’m shopping for Mercury 2 cycle oil this week I’ll ask my buddies if they’d like to go check out the Seaport sometime.

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Fly Fishing in Great Smoky Mountains National Park

Great Smoky Mountains National Park straddles two states, Tennessee and North Carolina, and has some of the country’s best streams for fly fishing. Brook trout are native to the waters and brown and rainbow trout were added later to the area and have thrived. Recent droughts have triggered tighter restrictions on fishing in the park, but it still a must-see for avid fishermen and women.

If you’re looking to capture trophy fish, then Great Smoky Mountains National Park isn’t for you. The fish in the park are smaller – having adapted to their environment – but it is the terrain and degree of difficulty in catching some of the more elusive species that makes the site such a big draw. Although you can fish from dry land, you should still bring your boat, and plenty of boat motor oil, to try out some of the waters in and around the park.

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Sport 340 Inflatable Boat

I read another pithy tagline for inflatable boats, this time for the Sport 340 soft bottom inflatable boat. The tagline read, “Capable. Very Capable.” It’s not quite as catchy as the tagline I mentioned in Monday’s post, but it still made me snicker.

The Sport 340 is described as a boat that can go the distance. It can be used as a fishing, cruising, family fun, or ship-to-shore tender boat. The trick is in the design of the boat: It has a lower center of gravity and high-strength floors with seating for up to five people. Throw an outboard on the back, some Mercury outboard oil, and some gasoline and you’ll be good to go.

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Fleet of Inflatable Boats


Boat rentals are a big business during the summertime. The more I learn about inflatable boats the more I’m intrigued by the idea of starting my own rental company. Eventually I could work my way up to an entire fleet of inflatable boats that can be used for fishing or simply cruising.

I’ve already found some sites that offer good deals on inflatable boats, particularly if they are bought in bulk. I imagine I could likewise strike a deal for engines. As far as oil, I already know that I can easily get my hands on Mercury oil 55 gallon drum for not too much money. I think I’ll mull the idea over this winter and decide one way or the other in time for the summer boating season.

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Inflatable Ocean Runner

Sometimes when ad men try to be clever it actually works out. I was reading a review for the Ocean Runner inflatable boat and the tagline read, “Nothing dinghy about it!” Sure it’s a pretty bad pun, but it’s not inaccurate.

The Ocean Runner is an affordable Rigid Inflatable Boat (RIB). The sandwich-laminated fiberglass hull has incredible maneuverability and performance. The deck is non-skid, the bow locker is integrated and securable, and it has a spacious interior for seating the whole family. It can also handle a four-stroke engine, lubricated, of course, by Mercury oil.

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Amanzi Inflatable Boat

After some nagging from my spouse, I finally got back on track researching inflatable boats we may actually purchase and use. The Amanzi rigid bottom inflatable boat by Mercury looks very promising. It can be used both as a tender and also as a daytime pleasure boat.

It comes with deck fuel filler, bow/stern cleats, a mooring eye, and tube reinforcements. Electric bilge pump, integral fuel tank, and tray storage are among the standard accessories. It will even take an outboard marine motor we already own (as well as Mercury engine oil) which makes my spouse happy because it means we won’t have to shell out more money for a new engine.

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Mercury Premium Oil

As those of you who regularly read my blog can tell, I’m a bit of an oil connoisseur. In my many decades of boating I’ve tested a number of products and have come up with a short list of those that really work. At the top of my list is Mercury 2 stroke premium outboard motor oil.

I like the Mercury 2 stroke premium outboard motor oil for a variety of reasons. First off, the formula exceeds TC-W3 standards. Secondly, I’ve found that its promise of reducing rust and corrosion of internal components is accurate. Finally, using Mercury 2 stroke premium oil provides warranty protection for a number of Mercury manufactured engines.

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Heavy Duty Inflatable Boat

Mercury’s heavy duty inflatable boat series is another “toy” I’d like to check out, but personally have no real use for. Though it can be used for pleasure, the heavy duty inflatable boat is intended to be used by professionals. it can hold up to eight people and plenty of cargo (for which there are straps).

In addition to the cargo straps, the heavy duty inflatable boat comes with aluminum and fiber reinforce polymer floorboards, external carry handles, and an inflatable keel. Grab ropes and bold red fabric improve safety, too. As with other Mercury inflatable boats, the heavy duty models are compatible with engines that take Mercury 2 stroke oil.

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