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  1. Greg O.

    1989 Cobra 260hp 5.7 GM Fuel Pump

    This is a 1989 Four Winns 225 Sundowner with a 260hp 5.7 GM engine. Last fall on my last run of the year, I punched the throttle and the engine bogged down like it was starving for fuel. It would get up on plane, but would not run WOT. I am suspicious of the fuel pump, and feel it should be...
  2. Greg O.

    Water leaking around Cobra drive

    My 1989 Four Winns 225 Sundowner with a 5.7 Cobra drive has water coming in somewhere around the stern drive. It is hard to see exactly where it is getting in. Anything that might be an obvious probably. I pulled the stern drive and the drive shaft bellows is dry. Getting ready to pull the...
  3. Greg O.

    HD 25 coils

    I have a nice looking HD 25 I that does not have spark. I tested the coils with an ohm meter, and the secondary windings tested open. I have not had any success finding replacement coils. Is there another coil that will fit the core of these coils. I have used OMC coils with a 7/16 center to...
  4. Greg O.

    QD 12 carburetor

    I recently purchased a Johnson a QD12. It is a very low hour motor, and in nice shape, except for the normal stuff like coils, water pump, and varnished carburetor. Is there anyone out there who sells kits for this carburetor? Even just the gaskets would be very helpful. Thanks
  5. Greg O.

    Magento mystery 71 9.5hp

    I bought this 71 9.5 a couple of years ago on a boat. It didn't run very well so I set it aside. I could not get it to idle even after cleaning the carb. This winter I decided to make it run as it does have good compression. I decided to start with the mag and get it tuned up. The plate...
  6. Greg O.

    1955 Evinrude 7.5 shock absorber question

    This Evinrude 7.5 was not making full power. I took it apart to re-seal the gear case. I found the shock absorber assembly binding with the water pump-bearing casting. The propeller turns very hard unless I back off the 4 screws securing the water pump casting. I do not see any problems...
  7. Greg O.

    Mark 5 gear case.

    I bought a Mark 5 and discovered it had a crack in the case right behind the water inlet. The crack extends a little more then half way around the case. My guess is it probably froze. I am weighing my options to have it welded, or find another gear case. I found a Mark 7 gear case. Will it...
  8. Greg O.

    Chrysler 12.9 hp

    I just aquired a Chrysler 12.9 hp motor. The price was right. I don't know anything about the Chryslers. First off, what is the proper gas oil ratio? Second, I would like to run it off a Johnson tank using a OMC single line fitting. Has anyone else done this? Or should I plumb a Chrysler fitting...
  9. Greg O.

    QD 18 head gasket

    I am having trouble finding a head gasket for Johnson qd 18 part number 0301862. I figured Sierra would have them. Second, is it a good idea to change the head gasket on these old engines even if they seem to be fine?
  10. Greg O.

    CD 24 steering bracket

    I have a 6 hp CD 24 with a broken steering bracket. Part number 380184, replaced by part number 0389529. Anybody have one or know of one?
  11. Greg O.

    What model and HP Elgin?

    I just picked up this little Elgin, but I cannot make out the model number or horse power. I would guess somewhere around 5 hp. It runsbut needs a water pump impeller. Where can I find a water impeller? Thanks for any information.
  12. Greg O.

    Outboard motor test tank

    I have been using 55 gallon oil drums to test run my motors. This is fine for idle speeds, but does not work for high speed running as cavitation occurs not to mention all the water splashes out. Most of my motors are 15 hp or less. Does anyone have any ideas on what makes a good test tank...
  13. Greg O.

    1989 Cobra water leak

    I have a 1989 Four Winns Sundowner 225 with a 260hp Cobra (GM 350). It was taking on enough water that the pump kicks on about every 15 minutes, but only while stopped in the water. There does not seem to be any leaking while on plane. I am thinking it has to be either the bellows, or a seal, or...
  14. Greg O.

    1958 (qd19)Johnson 10 hp propeller

    I just purchased a 1958 10 hp Johnson (qd19) with a spun propeller hub. I have a dinged prop off my 57 qd18 10 hp Johnson I thought I would through on it just for testing. I did not realize the older motors turned a larger prop, and there is no clearance between the cavitation plate and the...
  15. Greg O.

    YouTube outboard motor video

    Does anyone here watch YouTube videos of outboard motors? I especially love the vintage motors that are being demoed on the transom. There is one person who goes by chysleroutboarddude. He owns over 250 motors, and demos many of them. Another favorite of mine is a person who goes by...
  16. Greg O.

    1955 Evirude Fleetwin 7.5 hp low on power

    I just replaced the water pump , set the points, cleaned the carburetor on this motor. I barrel tested it. Idles very smooth. But when I put it on the boat I did not feel like it was revving like it should. So I recorded it then compared it to this YouTube...
  17. Greg O.

    O ring on top of drive shaft. QD18

    I just re sealed my QD18 and installed lower unit, then while looking for proper shift linkage adjustment I discovered there is to be an O ring on top of the drive shaft. When I removed the lower unit, there was no O ring. My question is, what good does the O ring do, I see no way to hold it...
  18. Greg O.

    top water tube gromet QD 18

    I am re sealing this QD 18. Plus water pump and looking at the top water tube gromet woundering what the best way is to get the old one out, and install the new one. Might be able to reach it with long needle nose plyers, but what about instalation? Thanks.
  19. Greg O.

    Seal kit part number 1957 QD18

    A few months ago I posted this regarding seals for a 57 Johnson QD18 serial number 1639557. http://forums.iboats.com/johnson-evinrude-outboards/1957-10-hp-lower-seals-633352.htm I am now just getting around to working on it, and it was suggested the seiral number was needed for that year...
  20. Greg O.

    Outboard motor storage rack

    I have 15 or 20 ( I haven't counted them) outboard motors ranging from 1 hp to 10 hp. I want to build a single rack along one wall in my garage to hang them on. I am mixed as to what direction to have them face. Propeller out, or starter rope out. I am also thinking of making it a double...
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