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  1. #11
    Join Date
    Oct 2001
    Posts
    1,384

    Default Re: Lightweight 10hp 2 strokes

    I was looking at a Tohatsu 9.8 2 stroke about 10years or so ago and ran a few comparisons.

    The Tohatsu also came in 6hp and 8hp versions. Same cc same weight.

    Other outboards of similar cc and weight were available but only 6 and 8 hp. These were Yamahas and Johnsons. There might have been an Evinrude clone of the Johnson as well.

    There were also Mariners and Mercury clones of 6 and 8 hp available, but bigger cc and about 10% heavier.

    All other 9.9hp engines had much higher cc and were very significantly heavier, the same blocks being available at 15 hp.

    I ended up with a 6hp Mercury. Very happy with it, especially the gearshift integrated into the tiller.

  2. #12
    Join Date
    May 2005
    Location
    Loch Snizort, Isle of Skye
    Posts
    4,882

    Default Re: Lightweight 10hp 2 strokes

    Thanks all. Does anybody know how hard it is to uprate a 6 or 8hp Tohatsu to full power? I know that for some engines it's simply a matter of removing a restrictor plate in the carb, but for others it's much more complicated.
    Moody 39- Deb 33- Wayfarer- Wanderer

  3. #13
    Join Date
    Oct 2001
    Posts
    1,384

    Default Re: Lightweight 10hp 2 strokes

    Google tells me, from a Peruvian expert, that it involves a new carburettor and a timing advance.

    So not a free pass!

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