The AK-47 of Outboard Motors.
Johnson/Evinrude small outboards are cheap, easy to work on, and darn near unkillable.
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| The author's refurbished 1989 Johnson 9.9 at full throttle in the summer of 2025. |
If you’ve ever hung around boat ramps or poked through Marketplace searching for “outboard" or "boat motors” , you’ve probably noticed one thing: old Johnson and Evinrude outboards are all over the place. That's because they just keep going.
INSTANT VERDICT, SUBJECT TO CHANGE:
THE GOOD: It's a Johnson. There are three moving parts. You have to be stupid to break it. Parts are readily available and its easy to work on. And a properly tuned one is a good performer and reliable as the day is long. They don't cost thousands of dollars. Lightweight and powerful.
THE BAD: These things aren't getting any younger. If you find a good one, you're good, but you have to be careful. You'll probably have to do some work to get it going regardless.
THE VERDICT: Yes, yes, yes. Would buy again. Even the minor hassles have not been a big deal, and it puts a smile on your face every single time you take it out.
These classic two-stroke OMC (Outboard Marine Corporation) motors—from the 1960s through the early 1990s—have earned a cult following among fishermen, weekend cruisers, and tinkerers alike. While modern four-strokes get all the glossy marketing, the old “Johnnyrudes” (as enthusiasts affectionately call the shared-platform Johnson/Evinrude twins) win on three unbeatable fronts: they’re nearly indestructible, ridiculously easy to fix yourself, and dirt-cheap to own and run.
Built Like Tanks: Legendary Durability
These motors weren’t designed for planned obsolescence. Their simple carbureted two-stroke design, robust castings, and overbuilt internals mean many are still running strong after 30, 40, or even 50+ years. Boaters routinely report 2,000+ hours in saltwater with nothing more than basic care.
The example pictured above...my own...is a 1989 model. It's been thoroughly overhauled...which means in reality, surprisingly little has been touched, as everything was in pretty good condition when I got it. Compression on both cylinders was above 125. The fuel pump and coils were working fine, so they are still on the motor and in use. The carb was rebuilt, and that was an exercise in simplicity (removing it, not so much, but I did learn to take it off without dismantling the starter after I "made" my own carb wrench). The impeller was re-done. And it runs like a dream, pushing my 1542 jon boat along at an ample 18 mph.
How are these engines able to function with such longevity? Minimal complexity and robust build quality. Run them hard, put them away wet, and they just keep purring. Many enthusiasts swear the carbureted models from the ’70s–early ’90s are the toughest outboards ever mass-produced. Truly, the "AK-47" of outboard motors.
Wrench It Yourself: Repairs So Easy a Beginner Can Do Them
Vintage Johnson/Evinrude 9.9/15 hp outboards are mechanical simplicity at its finest.
Carburetor rebuilds take a few hours with basic hand tools. Impeller swaps are a half hour. Lower-unit seals or gear oil changes are dead simple with YouTube guidance. Entire powerhead rebuilds are common DIY projects because every part is still available and the manuals are crystal-clear. I did that on the engine above after a cheap failed impeller sent chunks of rubber into the cooling jackets of the engine and caused an overheat (always use quality parts!). Yanked the head (there was still crosshatching on the piston walls, 30+ years later!), flushed the jackets, and put it all back together myself with a minimum of fuss. Impressive considering I can be Captain Anger when it comes to complex mechanical stuff, but this was not a big deal at all. And yes, it still runs just fine.
Hundreds of restoration videos show people bringing 40- and 50-year-old motors back to life in garages. They’re easy to work on and very simple motors. Parts are usually everywhere. And not just used parts...you can get aftermarket and OEM stuff relatively cheap as well.
Even if you pay a shop to do the work for you, labor is far cheaper than on computerized four-strokes because nothing is proprietary or sealed. Everything is dead simple.
A Budget Friendly Option if You Have the Least Bit of Mechanical Aptitude.
You can score a running 1970s–1990s Johnson or Evinrude 9.9/15s for a few hundred bucks—sometimes less than the price of a single new impeller on some fancy brands. “Dirt cheap” motors pop up constantly because everyone upgrading to four-strokes floods the used market. I bought the motor pictured above for $350. It is a 9.9 with an upgraded 15 hp carburetor. I've seen several similar bargains since.
Ongoing costs are super reasonable, even for high quality Sierra or OEM parts:
Carb rebuild kits: under $30
Spark plugs and fuel lines: available at local parts stores for cheap
No expensive computer modules or dealer programming
Fuel economy isn’t class-leading (they’re two-strokes), but for a 9.9 hp or 25 hp trolling motor on a jon boat or small skiff, who cares? The power-to-weight ratio is far superior to a similar four stroke, and you start so "up front" on saving purchase costs that it would take you years to break even with a more modern 4 stroke counterpart. You’re spending pocket change compared to the $10,000+ sticker on a new 25 hp. And because parts are interchangeable across decades of Johnson/Evinrude models, one donor motor can supply pieces for years.
Why Vintage Johnson/Evinrude Still Rules for Smart Boaters.
In an era of $15,000+ outboards with touchscreens and 500-hour service intervals, the old Johnson and Evinrude twins stand out as honest, no-nonsense machines. They deliver reliable power, invite you to learn real mechanical skills (with a vast YouTube safety net), and let you spend your boating budget on fuel, adventures, and cold drinks instead of dealer invoices.
If you’re tired of throwing money at “modern” complexity, hunt down a well-maintained 1975–1995 Johnson or Evinrude. Give it a compression test, fresh plugs, and a carb clean, and you’ll likely have a motor that outlives your boat—and your budget.
How to buy a used Johnson/Evinrude outboard...the smart, low-risk way.
A little prep and a few simple tools are all you need to check an old Johnson/Evinrude and see if it's a good candidate for a fixer-upper. You'll need:
An impact screwdriver for removing oil plugs in the lower (they tend to freeze up)
Some common hand tools for removing spark plugs,
A patient seller (I've never had one balk at reasonable tests).
First and most importantly is a compression test. Before you test, find out what the acceptable compression numbers are for that engine. Hook your compression tester to one spark plug hole and give several good yanks on the pull start (or cranks on the electric starter, if there is one). Obviously, if the engine won't turn, then you need to move on. If the motor turns over, check that the compression numbers are within range. But even more important is that in multiple cylinder engines, your numbers are within 10 PSI of another. If your candidate passes this test, proceed to the next step.
Second is a spark test. Hook your spark tester between the spark wire and the spark plug itself. Give the engine several cranks, and then swap and do the other cylinder. If you see a glow when pulling the crank, your engine has spark and you can proceed to the next step.
Third is a check of the lower unit oil. Dark oil is OK. Light or new looking oil is probably OK...it could be a sign of frequent maintenance or an attempt to mask problems. Milky oil that looks like egg nog is a red flag...it might be a simple driveshaft seal, or it could be something more complicated like a cracked lower. Just playing the odds would dictate that you should probably pass.
If it passes all three tests, then you have a good candidate for a repairable motor. A carb cleaning/rebuild, replacing some fuel lines, fuel pump, impeller, etc, should give you a decent runner for around $100 above the purchase price. ALWAYS replace the impeller first if you don't know how long it's been since it's been replaced. If you run it with a bad impeller, then you'll likely be tearing down the engine if pieces of it get sucked up into the water jackets and inhibit cooling. Not a huge deal to tear it down, but it adds a lot of steps between you and adventure.
The temptation may be great to replace with generic parts, and in some cases, you can get away with it, but believe me, it is best to "buy once, cry once" when it comes to this stuff, especially since a miscalculation can leave you rowing several miles back. OEM/Sierra except in the links above, or you're asking for trouble.
That's it. Did I miss anything? Leave your comments below!
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