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Old 03-12-2024, 16:39   #16
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Re: Tohatsu 9.8 vs Everrun vs Enduro

Just a warning about fuel injected Tohatsus. My fuel pump failed and filled my crankcase with gasoline at less than 100 hours. The internal check valve appears to have broken (plastic and metal parts) and punched a hole in the pump diaphragm. I wish I could say it might be a one off, but I am aware of 4 other small fuel injected Tohatsus that use the same pump having the same issue. I never tore apart their failed pumps so I can't say if the check valve failed in the same way. Mine unfortunately failed in the Bahamas and there are no Tohatsu dealers there so the warranty was useless. It cost me almost $500 and three weeks to get my pump into the Bahamas ($78 for the pump). By the way The Mercury 15 has the same pump and part number as the Tohatsu, but don't make the mistake of telling a Mercury dealer in the Bahamas that you are buying the part for a Tohatsu. They will refuse to sell it to you. Lesson learned.
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Old 03-12-2024, 16:53   #17
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Re: Tohatsu 9.8 vs Everrun vs Enduro

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Originally Posted by Franziska View Post
We are about to buy a new dinghy outboard, and, many have recommended the Tohatsu 9.8 two stroke with its superb power to weight ratio.

We have a chance to get our hands onto a brand new one ��

A lot of people have recommended the Tohatsu also for its reliability, sturdyiness and longevity.

Still I was just wondering if this is based on this motor:
https://www.tohatsu.com/marine/int/o...ds/M9.8B.html#
,which we are about to get,
because I just found out that there is also a quiet heavy one called Everrun.
https://www.tohatsu.com/marine/int/o...ds/MX15E2.html
Unfortunately that one is way to heavy for us.It seems to be the competition to the Yamaha Enduro line and used to be a 9.9.

So, I guess the question is, is the lighter Tohatsu M9.8B also a very reliable and long living motor?

I am not expecting it to be as robust as the Everrun or Enduro engines, but, we need a very sturdy motor which can be fixed in remoter places.

As spares I'd get a carburetor, CDI, spark plugs and an impeller.
We have a Nissan 9.8 (same as Tohatsu). It’s almost 5 years old and has been used full time. It’s been rolled in the surf, flipped and used as a swim raft by some Chilean kids, rainwater in the fuel a few times, and knocked about at countless sketchy beaches and docks.

It keeps on ticking. Spark plugs and fuel filters have been the only spares required. We did install a lower pitch prop which gives it more get up and go for carry groceries, dive gear, and dogs.

It is louder and less fuel efficient than a 4s, but its low cost, light weight, and ease of repair on remote beaches are very important to us.
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Old 03-12-2024, 23:36   #18
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Re: Tohatsu 9.8 vs Everrun vs Enduro

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Originally Posted by SV_Sweet_Ruca View Post
We have a Nissan 9.8 (same as Tohatsu). It’s almost 5 years old and has been used full time. It’s been rolled in the surf, flipped and used as a swim raft by some Chilean kids, rainwater in the fuel a few times, and knocked about at countless sketchy beaches and docks.

It keeps on ticking. Spark plugs and fuel filters have been the only spares required. We did install a lower pitch prop which gives it more get up and go for carry groceries, dive gear, and dogs.

It is louder and less fuel efficient than a 4s, but its low cost, light weight, and ease of repair on remote beaches are very important to us.

Thanks to you and the other posters.

We got the Tohatsu 9.8 yesterday :-)
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Old 04-12-2024, 01:02   #19
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Re: Tohatsu 9.8 vs Everrun vs Enduro

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As far as weight goes, keep in mind that a 2 stroke burns more fuel than a 4 stroke typically. And that means you're likely to end up carrying more fuel for it, which adds extra weight.
Compared to a 4 stroke carb model, the fuel consumption of 2 strokes is similar. You only see significant fuel savings when you go to fuel injected 4 strokes compared to carb 2 strokes. The downside of 2 strokes is the added cost of oil.
I have owned the Tohatsu 9.8 2 stroke and the 15hp Enduro, both from new. No doubt that the Enduro is the superior engine but the Tohatsu 9.8hp is a robust unit that will give many trouble free years of service. They are also very good on fuel.
When you are off the beaten track, it's hard to beat a 2 stroke for simplicity.
They are tollerant of poor fuel unlike their 4 stroke cousins
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Old 04-12-2024, 01:28   #20
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Re: Tohatsu 9.8 vs Everrun vs Enduro

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Originally Posted by Franziska View Post
Thanks to you and the other posters.

We got the Tohatsu 9.8 yesterday :-)



You made the right decision. One of the best outboards ever made.
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Old 09-12-2024, 07:32   #21
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Re: Tohatsu 9.8 vs Everrun vs Enduro

I have the Mercury 9.9 2 stroke. I spent a lot of time researching the best power to weight ratio.
It has been a superb engi engine. Comes in at 25kgs so with a lifting strap not too bad to get up to the rail.
Very reliable. Drowned it once (it fell off) and it started first pull.
Highly recommended.
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Old 09-12-2024, 08:22   #22
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Re: Tohatsu 9.8 vs Everrun vs Enduro

I have the 9.8 Tohatsu 2-stroke. at the time I purchased it, you could also get the 9.9 2-stroke, which was the same body as the 15hp. Thus the 9.9 was a more solid underpowered engine, that weighed more. Probably better for long term motoring, but not for lifting on and off a dinghy.
I am very happy with my 9.8 it is considerably more powerful and considerably lighter than the honda 6hp the boat was originally fitted with.
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Old 09-12-2024, 08:32   #23
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Re: Tohatsu 9.8 vs Everrun vs Enduro

I believe the 9.9 Merc is an upgraded 8hp block hence the light weight at 25kgs. As opposed to the Yamaha which is a de rated 15 block and a lot heavier.
But I can certainly confirm that the 9.9 comes in at 25kgs full of oil.
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Old 09-12-2024, 09:31   #24
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Re: Tohatsu 9.8 vs Everrun vs Enduro

I have owned the 8 hp version of the 9.9 since the 1990s, a M8B. I use it on an Achilles inflatable. It has been a great motor. I’ve had to do a carb rebuild once, and the prop shaft seal finally failed and needed replacing.

If there was a 4-stroke version that is as light weight, I’d buy one, but they’ve not figured out how to do that yet.
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Old 09-12-2024, 10:02   #25
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Re: Tohatsu 9.8 vs Everrun vs Enduro

I would go for the Tohatsu 2 stroke for the weight considerations but if you are handy, an older engine that is in decent shape can be had for much less $$$. Two strokes are great as long as they are run often and you unplug the gas line then let the engine run until it dies before storing it for more than a week. I have a 1998 Johnson 9.9 2 stroke in great shape and runs like a top, weighs in at 74 pounds, bought it used for $400.
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Old 09-12-2024, 10:33   #26
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Re: Tohatsu 9.8 vs Everrun vs Enduro

I see that you got the Tohatsu. Just remember that Tohatsu stands for TOo HArd To StUrt. Seriously, after you get it started it is a strong and reliable motor. Good Luck.
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Old 09-12-2024, 10:42   #27
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Re: Tohatsu 9.8 vs Everrun vs Enduro

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I see that you got the Tohatsu. Just remember that Tohatsu stands for TOo HArd To StUrt. Seriously, after you get it started it is a strong and reliable motor. Good Luck.
Starts super sweet right now...
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Old 09-12-2024, 10:46   #28
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Re: Tohatsu 9.8 vs Everrun vs Enduro

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Originally Posted by Tortuga's Lie View Post
I would go for the Tohatsu 2 stroke for the weight considerations but if you are handy, an older engine that is in decent shape can be had for much less $$$. Two strokes are great as long as they are run often and you unplug the gas line then let the engine run until it dies before storing it for more than a week. I have a 1998 Johnson 9.9 2 stroke in great shape and runs like a top, weighs in at 74 pounds, bought it used for $400.
Thank you . It replaced a 25year old Suzuki, we wanted a new one this time.

But I agree, good old ones are out there.



While we will rarely go full throttle, the dinghy almost flies with the Tohatsu. Especiallyafter I added the wings to the outboard. Huge difference regarding bow up attitude.
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Old 09-12-2024, 11:29   #29
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Re: Tohatsu 9.8 vs Everrun vs Enduro

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Originally Posted by kvstein View Post
I see that you got the Tohatsu. Just remember that Tohatsu stands for TOo HArd To StUrt. Seriously, after you get it started it is a strong and reliable motor. Good Luck.

The Tohatsu 9.8 has excellent pull start ratio two gentle pulls one to engage the pull start and the second long pull to start. Easy peasy lesser mortals and ladies love the easy start on this motor.
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Old 09-12-2024, 15:47   #30
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Re: Tohatsu 9.8 vs Everrun vs Enduro

Can I ask where you get these Tohatsu 9.8 2 strokes? In Europe they have been banned for years and can only be found second hand. I bought mine a few years ago and love it but it was like 15 years old when I got it. Still runs grest but I certainly could buy a brand new spare one if they where available
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