Leftover 2010 2.5 HP 4-stroke Mercury outboard first start

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My local Mercury dealer had this 2010 Mercury 2.5 HP 4-stroke outboard advertised on CraigsList for $500. This is a first start, after adding 10 oz of the included oil bottle, fresh gas. The break-in says 10 minutes of idle, then varying the throttle staying under half-throttle for the next hour and 50 minutes, followed by an hour of up to three-quarter throttle, then anywhere from idle to full throttle.
My old Yamaha was lighter (1989 2-stroke 2-hp), but I do like how this Merc (made by Tohatsu) has a neutral selector for starting and running the carb dry with the fuel valve off, also the throttle in the tiller is nice for one-handed operation.

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9 сен 2024

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Комментарии : 70

@tomvanthienen3716 7 лет назад

I bought today the same engine for my Yam 310S . I payed 650 euro...it has 1 hour running time. New it cost 799 euro here in belgium. Verry nice engine and good quality.

@johnnybravo4723 5 лет назад

i buy mine for 150euro.. Clean a carb and fix broken plastic pin on gas lever inside engine and off i go

@patland73 8 лет назад

Incredible deal, excellent low cost outboard, plus they cost nothing to maintain, and parts are available everywhere! Enjoy!

@Hubjeep 7 лет назад

UPDATE: I sold the engine, simply don't have a need for it as I have yet to use the dinghy. Compared to my old 2-stroke it was harder to start, the throttle setting had to be exactly as directed on the handle. If I needed a small engine again I would go with a used 2-stroke 2.5 or 3.3.

@biggedybiggedybong8032 6 лет назад

Bought one last year with just 1hr of running time on it.. starts very easy n ticks over perfectly from cold.. one i will say is they don't like stale or old fuel... must be fresh fuel and if possible the slightly higher octane petrol most garages offer... tappets were a bit noisey but now they to tolerance its almost silent when on idle. I change the oil every 10hrs.... In all im very impressed

@1065Olivia 4 года назад

Two days on lake. First day started it four different times no problems. Second day we go miles down the lake I cut it off to fill with new 100% unleaded and it will not start again! Tried off and on for hours while trying to get back with troller. Finally called for a tow from husband and when back and tied up I tried and it started in two pulls. Very frustrated !

@tonyc3089 7 лет назад

nice and quiet too, my Honda 2.3 makes racket.

@Hubjeep 7 лет назад

Yes, but the Honda is substantially lighter, and has no cooling system to maintain. If used daily for long periods I could see the Honda noise getting annoying.

@johnnybravo4723 5 лет назад

quiet ?? NO

@eds-channel9394 5 лет назад

I'm a newbie....was hoping for a "how to start" tip. For example, my used 2002 6 hp doesn't have a red cord to the kill switch attached.

@tarahardy26 5 лет назад

Eds-channel same here do u have to have the red cord???

@nopro5433 5 лет назад

Thanks man pick us up in a trade basically new no manual Good vid wish you would’ve done the coldstart a little more in depth I know it’s basic but I can’t get mine started been sitting all winter any suggestions

@robmacdougall1 6 лет назад

Nothing but carb/fuel problems with mine

@Hubjeep 6 лет назад

Yup, went back to an old 2-stroke... lighter and more dependable.

@johnnybravo4723 5 лет назад

fuel filter necesery and when done you must close fuel line and let carb run empty and off you go.

@stevengraham185 2 года назад

Your Lucky 🍀 looking to such a good deal. Should work well on my Water Tender 9.4. Congrats

@Hubjeep 2 года назад

I ended up selling it for $500, never really ran that well. I'd look for a 3.3 or 2.5 older 4-stroke.

@Mascotal 7 лет назад

I bought one of these brand new. I have had trouble since the first day on the lake. After one year it still won't run right, so it's going back to the dealer. If the dealer gives me grief then I will buy some ores and take the motor for scrap.

@Hubjeep 7 лет назад

Even though mine was barely used, it was very hard to start, didn’t seem to idle well when I ran it this year to sell it.

@Mascotal 7 лет назад

Yes, mine is very hard to start and will stall for no good reason. Throttle will bog down then stall out. The carb is a poor design and I'm sure that is the issue. Somehow there is not enough air getting into the engine to keep it running.

@johnnybravo4723 5 лет назад

Guys guys... fuel filter in line solves aal carb problems.. It lacs one.

@livin2dierecord98 4 года назад

@@johnnybravo4723 so you saying if I add a fuel filter it will help. What kind do you recommend

@jeepcollector91 7 лет назад

$500 was indeed a deal. In 2015 I managed to find a new/unused 2012 Mercury (Tohatsu) 6hp 4-Stroke for just under $600. It has been a great little outboard.

@akramalbiad2862 4 года назад

بغيت موحريك ليلبيع يماها 8+6

@mrsuarez430 7 лет назад

I have the 2016 its the same thing your right U use it to go mangrove snapper and snook fishing.Good motor its a light ut doesnt waste gas at all its crazy efficient im go8ng to prob buy the 3.5 carb as it doesnt have any other difference.

@mrsuarez430 6 лет назад

Shit engine ! i have 4 outboards this thing has spent more time in the shop than in the water i have a 40 year old johnson that is first pull and this Japanese shit pebble never starts

@akramalbiad2862 4 года назад

بغيت موحريك ليلبيع يماها صغير8+6

@connorrickerby8368 8 лет назад

jesus get on with it.

@nopro5433 5 лет назад

Had mine running first trip went down a week later can’t get it started I need advice.

@chrismoses54 5 лет назад

Buy a tohatsu

@chrismoses54 5 лет назад

But seriously check if you have spark on all of your cylinders

@johnnybravo4723 5 лет назад

This is a TOHATSU smart ass. Mercury buy them from them and place his name...Lol

@bushpig8109 3 года назад

Does it also start in forward position or is than a gear save engaged?

@Hubjeep 3 года назад

I don't remember, probably has a safety.

@Munky332 5 лет назад

Do any of these smaller outboard engines have a small charging system built into them (say under 5hp)? would be nice to have it topping up the battery for the trolling motor while in transit.

@Francois_Dupont 5 лет назад

no they do not have output, just barely enough to run the ignition system. like on a lawn mower or a weed trimmer.

@samuelholness9092 7 лет назад

Is this engine still available for sale also what is it in and the price

@MusicMath123 7 лет назад

1:12 sticker says: ultra low emission. LOL , What about all large ships and planes pollution? What a stupid insult for ordinary poeple. Parsun 2.6 and 5 HP owner.

@Hubjeep 7 лет назад

Interesting point. Maybe not as important in large bodies of water, but some lakes ban 2-strokes and I see why, my old 2-stroke would leave quite the oil film in the test barrel.

@johnnybravo4723 5 лет назад

2stroke smoker...LoL .. remind me of Marlboro reclame..

@chriscamara648 6 лет назад

How much was the motor me and my dad are investing in a gas motor for our 10ft inflatable boat hope you reply

@Hubjeep 6 лет назад

Chris, check out my update below. This engine is heavy and doesn't like to idle. I sold mine and got an older 2-stroke (lighter and more reliable). For a 10' you may want more power if you don't mind the weight of a heavier engine. If looking for a small engine check out the Honda, the are louder (air cooled 2.3hp), but lighter and have much better reviews than the small Mercury/Tohatsu ones.

@MrInfamousNevermind 6 лет назад

How big is the boat it was pushing?

@Hubjeep 6 лет назад

I never used it (besides this test-run in the barrel). Was intending to put it on 8' plastic tender.

@MrInfamousNevermind 6 лет назад

Hubjeep Already sold?

@Hubjeep 6 лет назад

Yes! I posted an update in the comments, I should add it to the description. The engine never idled well, and was heavy. I went with an older 3.3L 2-stroke Marine/Mercury.

@Mascotal 5 лет назад

Had mine back to the dealer for a new carb but it is still having trouble getting started. Will run a for a bit, but then dies and will not restart. Just what you need when out on the water. American made junk.

@oxaile4021 5 лет назад

*Japanese made actually. These are rebadged Tohatsus.

@archie764 6 лет назад

Yamaha used to make Mercury 4 stroke outboards now they no longer do bad mistake for Mercury

@nopro5433 6 лет назад

Just picked up one in a trade no Owners Manual Thanks for posting this helped out got it going good wanted to ask how long do you leave the choke out I noticed if I left it out about a half to1” seemed to run OK haven’t been on the water yet Have you ever run out of gas on a normal fishing day. Seems like a small tank?

@frankmills3713 5 лет назад

I go several hours at @half throttle . I bought mine last summer and haven't had any issues with it.

@frankmills3713 5 лет назад

Get a Tohatsu owners manual. More detailed than Mercurys and it's the same motor.

@jebackurvi6126 4 года назад

two problems, it needs fuel filter to be placed as fast as possible, and newer start it out of water, not even for second as impeller is weak and will crack instant upon dry start.. For rest is fine litle engine..

@timothybrown1763 Год назад

I've had one for about 12 years....I've never used a fuel filter but I think it's a good idea. Since I've taken it out of the box it starts easy (I have changed the spark plug) but it takes awhile to warm up. It's kind of inconvenient to have to gradually push the choke in and give it throttle but once its warm it's not a problem. One thing about the impeller: I've never replaced it but I live in a cold climate and before storing it for winter I pull the safety lanyard so it wont start and I pull the rope a few times to cycle out any excess water. If theres water in the transom and it freezes it could cause damage.

@mmd-oh7lb 3 месяца назад

Do you mean that the engine should be warmed up a little, like car engines? Because it is not 2 stroke @@timothybrown1763

@carl3233 6 лет назад

your mercury outboard needs a valve adjustment it hase bad valve ticking noise.

@johnnybravo4723 5 лет назад

its crancase you hear.. and intake is not with silencer ..

@andrewbrown9157 7 лет назад

does this motor still run well? I keep reading bad reviews for them but they are the perfect size for me.

@mrsuarez430 7 лет назад

Andrew Brown ive had one for a year and a half havnt had any problems can drive long distances and not burn up to much gas

@Hubjeep 7 лет назад

It runs well, but is not as forgiving as 2-strokes. For example, when warm a 2-stroke will start at basically any throttle setting, with this engine you have to pay attention to the throttle position... choose "restart" when warm, if not it will not start..

@johnnybravo4723 5 лет назад

euhhjj..guys place fuel filter in line to solve carb problems..