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Old 31-08-2013, 09:22   #61
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Re: Mercury 3.5 HP Outboard Junk?

I bought one new and would never consider buying another one. The gasket around the cowling is held on with double backed tape and fell off quickly. The shifter freezes up very quickly when used in salt water and is made of plastic, is easy to break and costs $75 if it were worth replacing. There are ferrous bolts and parts on the bracket that will corrode quickly. The hold down screws freeze up quickly on the bracket, are made with plastic handles with ferrous torsion pins that will rust away and break quickly. These engines are designed to run 3 years and thats it. They are junk junk junk. After i gave up on it I bought a 4hp mariner by yamaha for $400 that has already run longer for me than the merc and was built in the 80s and is still going.
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Old 31-08-2013, 15:34   #62
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Re: Mercury 3.5 HP Outboard Junk?

Quote:
Originally Posted by bloodline View Post
Had a merc 3.5...

Couldn't wait to get rid of it.

Found a Yamaha 3hp, 2 stroke. My 8 year old can crank it, cold.

The Yamaha has a fuel filter that is inside the gas tank. It's held in place by the fuel line.

The merc has no filters. Needs one, badly. The pilot jet is insanely small.

I also have a street legal legal 2 stroke dirt bike. These small "Eco friendly" 4 strokes are just not my cup of tea. I reckon I've poured gallons of gas on the ground and in the ocean trying to start dead 4 strokes.
The filter on the Mercury is under the cover. You don't actually think a manufacturer would build an engine without a fuel filter do you?
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Old 31-08-2013, 15:49   #63
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Re: Mercury 3.5 HP outboard junk?

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Originally Posted by Cheechako View Post
I once had one of those 2 hp Johnson's... now THAT is a simple OB... no gears! You have to rotate the engine 180degrees for reverse!
We had one, a 1.2HP, Johnson, too. Loved that puppy. Shoulda kept it. We called it our Egg Beater.
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Old 31-08-2013, 16:06   #64
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Re: Mercury 3.5 HP Outboard Junk?

And btw, my 2011 Mercury 4 stroke 5 hp has run flawlessly since I bought it, and I have yet to do a thing to it.

Plus, I do not run the carb dry after use. It started today on the second pull after 2 weeks of non use. And it came with a 5 year warranty.
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Old 31-08-2013, 16:09   #65
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Re: Mercury 3.5 HP Outboard Junk?

9.9 mercury prokicker = nothing but carb problems. After 900 in repair bills over 15 months basically gave it away.

3.5 four stroke, rocker arms wore through while full of oil and pumping. Carb seems okay.

Need a 6hp now thinking about a used two stroke.

w
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Old 02-09-2013, 20:02   #66
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Re: Mercury 3.5 HP Outboard Junk?

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Originally Posted by Gemini Dreams View Post
9.9 mercury prokicker = nothing but carb problems. After 900 in repair bills over 15 months basically gave it away.
Next time you are looking to give one away, keep me in mind.
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Old 03-09-2013, 04:42   #67
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Re: Mercury 3.5 HP Outboard Junk?

Quote:
Originally Posted by Gemini Dreams View Post
9.9 mercury prokicker = nothing but carb problems. After 900 in repair bills over 15 months basically gave it away.

3.5 four stroke, rocker arms wore through while full of oil and pumping. Carb seems okay.

Need a 6hp now thinking about a used two stroke.

w
The 5 and 6 hp 4 stroke Tohatsu, Nissan, Mercury outboards work great. I have a 2011 5hp Mercury and it has given me no problems. I have done nothing to it yet besides add a little oil.

I wouldn't get a 2 stroke. For one thing they smell terrible and are well known for fouling plugs................
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Old 11-02-2015, 20:30   #68
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Re: Mercury 3.5 HP Outboard Junk?

I know this is an old thread but just in case anyone else is considering.

I've purchased a 3.5 and have done less than an hour on it. I've had it back to the shop once and the mechanic convinced me I'm using it wrong.

It stalls constantly, after ten minutes use, turn it off on the beach, try starting it again and it takes as many as 20 pulls to get it going. My wife can't get it going at all after a stint to the beach.

Power wise I don't think it is any better than the 2.5 Yamaha we had which was very reliable until I sunk it. And this 3.5 uses a hell of a lot of fuel for hardly going anywhere.

When I get home, I'll be taking it back for a refund. An outboard has to be reliable. This piece of **** is not.
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