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  1. ebacon

    1975 Johnson 9.9HP Project

    Carb service did the trick! When I rebuilt the carb a few weeks ago I was afraid to remove the plugs and clean the idle circuits. This time I had to do it because it seemed that is where the problem was. Photos of the process are attached. 1) Drill the old plugs to receive a sheet metal...
  2. ebacon

    1975 Johnson 9.9HP Project

    Made a little progress today. I put a fan near the engine so that it is not rebreathing its own exhaust. The two big things that I discovered were: 1) The thermostat was stuck open and the engine block was only reaching 82 deg F. I replaced the thermostat and now the engine block is steady...
  3. ebacon

    1975 Johnson 9.9HP Project

    A little more progress today. I built the special tool to noodle the shift fork back into position. I will provide DIY info on that tool later in this thread. Hopefully it saves someone about $50. The tool can be built for about $10 max. After I built the tool I resealed and reassembled the...
  4. ebacon

    1975 Johnson 9.9HP Project

    That's awesome. While the shift rod bushing was soaking in PB Blast I finished the top end. -Carb Rebuilt -New fuel lines -New recoil rope -Set points and gapped plugs -Cleaned and relubricated the tiller handle Hopefully I can tank test soon. Today I realized that the intake water screen was...
  5. ebacon

    1975 Johnson 9.9HP Project

    It finally came out! I ended up using a puller head across the top of the lower unit instead of a slide hammer. Now comes the fun part, reassembly with new seals.
  6. ebacon

    1975 Johnson 9.9HP Project

    What is the nut diameter to pull the O-ring out? Can someone that has a working puller measure theirs? The bushing has been soaking in PB-Blast for a couple of days and seems corroded in place. Photos of my puller tool are attached.
  7. ebacon

    1975 Johnson 9.9HP Project

    Thanks for the info regarding paint. I have a compressor and spray gun but have not sprayed since the 1990s. At this point I am thinking that getting the engine mechanically sound is more important than appearance. I was hoping for a rattle-can paint source. Back to the mechanics, all the...
  8. ebacon

    1975 Johnson 9.9HP Project

    Hello all, I bought a 1975 Johnson 9.9 HP that needs a little work. It will go on a 12' aluminum V-hull. The engine runs and appears to have a new carb. I started this thread to document the project and look forward to getting to know you all in this sub-forum. I will attach a few photos of...
  9. ebacon

    1981 Hydraulic Lift Hose Kit?

    Hello, I would like to replace all six hydraulic lift hoses in a 1981 boat. Does MarineEngine.com sell them? I searched but did not find. Thanks, Ed
  10. ebacon

    Question re Engine Mount Heights

    Gentlemen, I am hoping one of you can help. I am repowering my boat and installing an AQ225E. I am having trouble determining when the engine is aligned up/down with the transom ring. I don't want the engine to be bound up in the transom ring end eventually crack it. As best I can tell I...
  11. ebacon

    Distributor Rebuild Kit Whatbs in it

    I am rebuilding an AQ225E &#40 I am rebuilding an AQ225E (GM small block V8) One of the distributor flyweight springs is broken. Are the springs and/or complete flyweight assemblies included in the distributor rebuild kit P/N 3853888 ? Thanks
  12. ebacon

    AQ131 Restriction Plate and Exhaust Manifold Questions

    "1) Does anyone know why t "1) Does anyone know why the AQ131 has what looks like a restriction plate between the single barrel Solex carb and the intake manifold? 2) Have any of you experienced decreased AQ131 performance with the Osco exhaust manifold when compared to the OEM VP part...
  13. ebacon

    Repower Volvo AQ131275 with 57L 260 HPAlpha One

    "Hello, I have a 21' Ba "Hello, I have a 21' Bayliner Trophy Hardtop with the Volvo AQ131/275. The boat is underpowered IMO. I have an opportunity to buy a used Mercruiser 5.7L 260 HP/Alpha One. My questions are: 1) How much glasswork is required when changine from the Volvo 275...
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