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  1. J

    Tohatsu 9.8 electric start

    I think it's just being a 20 year old engine that's stored at a marina about a hundred yards from sea water. A long time for humid salty south florida air to do it's thing.
  2. J

    Tohatsu 9.8 electric start

    Thanks for the suggestions. I got it going again. I cleaned a few connections with corrosion and/or rust with a file. Not sure which one it was but the connection where the solenoid mounts on the engine block was rusty. The battery cable connects to the other side of that, which was also rusty...
  3. J

    Tohatsu 9.8 electric start

    hello I have a 2003 Tohatsu two stroke (M9.8B). A few years ago I posted on here about a rusty steering shaft. I ultimately decided that replacement wasn't a repair I wanted to take on so kept on using it. I probably got lucky because it was just almost completely disintigrated before I decided...
  4. J

    tohatsu 9.8 corrosion on vertical shaft (new thread)

    never mind, got them free!
  5. J

    tohatsu 9.8 corrosion on vertical shaft (new thread)

    Got another question on the same engine that's the same kind of question. While I've got this motor home and am trying to do all the maintenance I can to get more years out of it, I thought I would change the shaft oil, or at least check it. But both the top check/fill screw and the bottom...
  6. J

    tohatsu 9.8 corrosion on vertical shaft (new thread)

    I don't have a tiller on the motor, or steering cables. I have a system rigged with a series of blocks and lines that lead to the tiller on my sailboat, so when I turn the sailboat tiller, the motor turns. Turning was difficult because the friction screw you describe was very tight, and couldn't...
  7. J

    tohatsu 9.8 corrosion on vertical shaft (new thread)

    thanks for the replies. pvanv, it's an official service manual. Since it's copyrighted, I won't repeat link here. gm280, thanks for reminding me of some of the options. However, most if not all seem to involve a large disassemble and reassemble job. Screwing that part up is what concerns me...
  8. J

    tohatsu 9.8 corrosion on vertical shaft (new thread)

    Well, I found the Tohatsu Service Manual and downloaded it. Unfortunately "steering shaft" doesn't turn up in a search of the document. The closest seems to be a section on removing the stern bracket. I don't have a tiller on this motor (I have rigged my own system that turns the motor when I...
  9. J

    tohatsu 9.8 corrosion on vertical shaft (new thread)

    Thanks for all the replies while I was away over the holiday weekend. It sounds like I have two options. Replace it, or don't replace it. To replace it, I have the option of getting the part new, which is not in stock in North America. I can get one from Japan, or wait for them to be in stock...
  10. J

    tohatsu 9.8 corrosion on vertical shaft (new thread)

    Here is a pic of the current shaft after I knocked off the large flakes of rust. I should replace this right? I only ask because the motor turns fine, which seems to be what drives a lot of these repairs. I'm just concerned about the long term structural integrity.
  11. J

    tohatsu 9.8 corrosion on vertical shaft (new thread)

    hello, new poster. A lot of times, people new to forums encounter "have you tried the search function" when posting questions that have come up before. This old thread https://forums.iboats.com/threads/tohatsu-9-8-corrosion-on-vertical-shaft.641202/ described my situation pretty well so I simply...
  12. J

    tohatsu 9.8 corrosion on vertical shaft

    hi, I know this is an old thread but it describes my situation pretty much exactly, except that I can work on the motor in my garage. I have a 2003 Tohatsu M9.8 that came on a boat I got last summer and I'd really like to keep going. It runs well and I replaced the water pump right after I got...
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