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    Johnson charging problem

    I have a 98 Johnson 200. The other day I was looking at my volt meter and it went up to 16 volts. I went and got a digital volt meter to confirm and it was charging 16 volts at higher rpms. At idle it was at 14 volts. Today I started checking the stator and reg/rec for problems. Did all the...
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    Yamaha anode problem

    I have a 98 Yamaha 225 ox66. I was replacing the 4 anodes in the engine and I was able to get 3 complete ones out. When I was taking out the 4th one, on the head, I didn't see the anode. I had to brake the top of it to get it out. When I did, the was no anode piece. Now all the others had the...
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    02 Yamaha 250 ox66 head gasket placement

    I am going to put on my head gasket on but have a few questions, 1-The head gasket has a white silicone looking line on one side only, which way does the white line face, to the engine or the head? 2-The head cover gasket also has the same white lines on the spark plug holes, which way do they...
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    02 Yamaha 250 ox66 corrosion hole on engine

    Like the title says. I was doing some maint. to my engine oil tank and I decided to take it off and clean it. Anyways I take it off and i go and clean it. When I get back to install it this is what I found. Now about the engine. When I bought it it had 189 hrs. It shows from the out side...
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    Reproping for 4-5 hundred rpms

    I have a 91 25' Pursuit w/02 Yamaha 250 ox66. I am currently running a m19 prop, which is 151/4 x19. My engine is at a perfect height, I am running at about 5-5100 rpms. I would like to get as close as possible to 5500. I was wonder what would happen if I put on a sws 2 prop of the same...
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    Yamaha prop vs Turbo prop

    I have a 91 Pursuit 2550 w/02 Yamaha 250 OX66. I currentlly have a Yamaha 19m prop on there, i don't think its a sws2. Last time out it ran 43@4900, with the cavitation plate underwater. I just raised it one hole so i should gain 2-300 rpms. Now my question, i have a chance to buy a Turbo-Turbo...
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    Mounting holes for engine?

    I am going to mount a single 02 Yamaha 250 ox66 and was wondering if the mounting holes are the same as a 93 Yamaha 150. I had twin 150s and if the holes are the same I can make a template of those hole and make the new ones. Thanks
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    03 Yamaha 250 hpdi

    I have heard all sorts of info on these engines. I am looking at a 03 HPDI 250 with 280 hours. If I buy it will yamaha still do the recalls or not. So how good or bad are these engines.
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    Engine height for diff. HP

    I am repowering and I use to have 150 yammies. Now I might be putting on 200 mercs. The yammies where mounted perfect as far as the cavitation plate. Do I mount the Mercs in the same holes. Can I use the yammie props on the merc? Thanks
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    1997 Suzuki EFI 200

    I am looking at twin 97 200 EFI suzukis and I was wondering on the reliabillity of these engine. What are common problem, what to look for, or run away? Thanks
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    Blown 93 Yamaha 150, whats it worth.

    My engine blew the other day, sounds like a rod. Anyways I have twins and dont want to rebuilt just one. besides rebuilding one is real expensive and i dont think the engine is worth it. My question is how much do you guys think it worth. thanks
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    Blown engine

    So I was running around 53-5500rpms and suddenly I hear clack,clack,clack. I bring the engine down to idle and still doing it so i shut it off. I know its a rod knock, it was coming from the engine. I have been looking and found 2 99 Yamaha 150s fro 6000. Only thing is that the guy says they...
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    Are my fuel pumps bad?

    I recentlly clean out and replaced all the parts that come in the oem kit on my carbs. I did everything by the oem manuall and also did all the syn. From day one the problem has been that its had to start. In my house if it been sitting for 2 weeks lets say, I go to crank them and it had. I...
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    Weird charging problem.

    This is the second time this happens. The first time the batt. was dead and I charged it, put it in but motor would charge it. So I went and exchanged the batt. thinking it was bad and put a new one in. Cranked up the motor and it was charging. Well yesterday I went out and again engine not...
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    Yamaha carb main nozzle?

    I just rebuilt all three carbs on my 93 Yamaha 150. While i was screwing back in the main nozzle the screwdriver slipped and kind of messed up the slit where the screwdriver goes to thighten it. Is this something that is going to effect the engines performance in anyway?
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    Rebuilding carbs?

    I took out my carbs yesterday (93 Yamaha 150) and I am planning on rebuilding them. I did some searching and found not to use auto carb cleaner. Ok, so what do I soak them in instead? Also I am going to buy the OEM rebuilt kits, just wanted to know ahead of time what comes in the kit so I dont...
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    Yamaha Prop fitment ?

    I have a pair of Yamaha SS props 13 3/4x19 that came off a 93 Yamaha 150. Will it fit on a 06 Yamaha F150?
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    Fuel sender problem.

    I have a problem with my fuel sender. I just bought one since the old one was leaking and was not adjusted right. I got the new one and before I put it in I connected it to the wire and tested it. If I put the float all the way up it only read 3/4 tank, if I put it in the middle it went to...
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    Prop advice.

    I have a 91 Pursuit 2550 w/twin 93 Yamaha150's. I just took off the prop to grease them and I looked in the back and its a 13 3/4-19. There is no name, only thing is on the outside of the prop its stamped 19M. I am currentlly running 5200rpms@48mph. Should I just let it be since the engine max...
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    Sculppers and Wood rot?

    I decided to change out my sculppers and the thru hull drain tube on my boat. When I took out one side I noticed the wood was damp but was not rotten. When I took out the other side that when my problem began. The other side has some rotten wood, I was able to actually dig some out. Its not alot...
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