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    2017 MFS40A Crankshaft End Play

    I have a problem with my 2017 MFS40A crankshaft excessive end play. Tohatsu says the max is 0.020 but mine is 0.065 and has started to make contact with the Tach-Pickup under the flywheel. Why did Tohatsu make a disposable engine without a set of thrust bearings for the crankshaft like the...
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    M40D2 water system question

    I am getting an unusual amount of water coming from the hole in the mid section shown in the picture and low water pressure from the tattle tail. I had ran through some shallow water and I assumed that I had picked up something so I got towed back to the launch. When I got home I pulled the...
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    1996 Suzuki DT25C Oiler Removal

    I recently purchased a used '96 DT25C that I was told wasn't used a whole lot. After closer inspection and thermostat removal I've come to a different conclusion. The lower unit has a pretty good amount of wear in the gears. The throttle cables have significant wear and needed to be replaced...
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    Suzuki DT25C Console to Tiller question

    I recently acquired a 1996 Suzuki DT25C outboard that was originally set up as console steering. I had a buddy with an outboard that no longer runs with the tiller handle. But his didn't have the starter or alternator, so I am going to use the starter switch that was on the control box. I was...
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    2000 DT25C Rebuilding Question

    I just picked up a 2000 DT25C that appears to be in good shape but well used. Here in the Lake Charles, Louisiana area there are 2 primary non-dealer outboard mechanic shops. One of them prefers to not repair or rebuild these models and the other is a little on the pricey side. My question is...
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    Nissan NS30 Water Pump Question

    The other day I had taken the 1996 Nissan 30 out for some night fishing. I had changed the complete water pump with a Tohatsu OEM repair kit before putting it in the water. The day I put the pump in, it pumped but not a full stream at idle like my Tohatsu 25. During the night I moved the boat...
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    How to determine year Suzuki DT25

    My cousin just bought a used Suzuki 25 3-Clinder 2 Stroke. I read the Sticky and the number stamped on the plate has only numbers - No letters. Here's the numbers: 02507461141 How do I go about determining what year it is to buy replacement parts? He needs a cylinder head and the head cover not...
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    '92 M25C2 WOT is not as high as before

    When I first got this used outboard it would run in the 5100 range with 12p wheel. Then, after using it with very little problems I started noticing that at WOT it would sometimes drop to 4800 for 15 - 20 seconds and go back to 5100. Now it stays at 4800 even after switching to an 11P wheel...
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    2004 Nissan N40D2 Question

    My 2002 Tohatsu M40D2 is a long shaft without a electric starter. I am going to buy a 2004 Nissan N40D2 with some kind of engine issue. The Nissan is a short shaft electric start. All I really need is the lower half and the starter " Kit " parts to put on mine. The owner said he bought the...
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    Tohatsu M40D2 Rough Idle/Not Reaching WOT

    My 2002 M40D2 that I bought 2nd hand has a rough idle and what I'd call a misfire/backfire when starting cold. I was just so happy that it ran well that I really had no idea it was doing it until a guy at the launch told me, "Does it miss like that all the time?" And of course I had to reply...
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    Tohatsu M40D2 Starter Kit Alternative

    Now that my OB seems to function correctly, I am considering the idea of adding a starter. I see a " Starter Kit Part # 3C876300M " which sells in the range of $600.00 2 questions: Does the kit come with the very basic of installation instructions? Is there a less expensive alternative? If I...
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    2002 M40D2 Timing Question

    I purchased a used 2002 Tohatsu M40D2 and the timing is currently set at 30 btdc at wot. Idle setting is about 2 atdc When the throttle handle is operated: The timing moves first and all the way to 30 btdc and then the throttle moves the cam on the carb(s). In addition, the primary butterflies...
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    2006 OptiMax 200 Keeps Destroying Coil Packs

    My brother has a Jet Boat with the 2006 Mercury OptiMax 200 / 2.5L in it. He's had to replace over 20 packs in the last year. And yes, each time he replaces all 6 plugs. Is there a method of determining why they keep failing? Is there a method to prevent them from failing? Is there a recall on...
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    1992 - 2002 Tohatsu/Nissan 25 Cylinder Boring Question

    About 8 months ago I picked up a used 1992 Tohatsu 25 which I had intended to use as a part engine for my running 1992 Tohatsu 25. Well, as with a lot of other plans I have had.....I am considering having the parts motor repaired. The parts motor was used in brackish water it's entire life and...
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    1992 Tohatsu M25C2 (25C2 #27906 vs 30A3 #21031 ) Carburators

    I picked up a 1992 Tohatsu M25C2 ( Title Says Year 1992 / Program Year 1993 ) which was owned by an older gentleman for about 2 years and then he passed away. His son inherited it and never used it. It sat in his garage for 10 years on a stand with the nice blue Tohatsu Cover. He still had the...
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    1996 Evinrude E25REDA Runs Fine Until Warm

    Yesterday I took the boat out and was shocked when the motor (Which was running fine) all of a sudden started a consistent miss. I launched, got out of the wake zone and sped up and it went about 100 yards and started to miss. I'd idle it down and it idles fine. Today, I put the drum under the...
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    1989 Evinrude Tracker 25

    Even though I currently have a 1996 Evinrude E25 REDA that is running, I have the opportunity to buy a 1989 Evinrude Tracker. My question is: What's the big difference between these 2 outboards? They both have a 31.8 displacement and bore width is 3.0" and the stroke length is 2.25". My...
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    Johnson 25 To 30 Upgrade

    New to the forum, so don't flame me too hard for resurrecting an older post. I just got a 1996 Evinrude E25 REDA which has low hours. After doing a small amount of research and cross-referencing I want to make sure I have the correct parts before I start the conversion. If someone knows more...
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