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TTHP Conversion

Discussion in 'Lawn Mowing' started by ohanyan1, Jan 31, 2007.

  1. ohanyan1

    ohanyan1 LawnSite Member
    Messages: 35

    I have a 2006 Exmark TTHP with 48" deck and 17 hp Kaw. My understanding is that the only difference betwee the 17hp motors and the 19hp motors that are used on these units is the carb. So, my question is, can I replace my current carb with the carb used on the 19hp Kaw and essentially turn it into a 19hp motor? Any insights would be greatly appreciated. Thanks.
  2. Envy Lawn Service

    Envy Lawn Service LawnSite Fanatic
    Messages: 11,087

    To be truthful I dunno...

    Is this the 'small-block' KAI series we are talking about or the larger 675cc version?

    I just chimed in to ask because those who know this info will want to know... and I also wanted to drop a bug in your ear...

    Have you considered ordering the carb + heavy duty canister air filter system that comes on the 19hp ZTR version of your engine?
  3. Tadams

    Tadams LawnSite Senior Member
    Messages: 787

    Post this on the Exmark page. They will probably know. I've got a 17hp 48" TTHP so I'm curious about this as well.
  4. ohanyan1

    ohanyan1 LawnSite Member
    Messages: 35

    Mine has the KAI series. The model of the engine is FH541V. As for the air canister, I had not thought of it but I would be interested in that as well.

    How can I move this thread to the Exmark forum.
  5. John Gamba

    John Gamba LawnSite Fanatic
    from ct
    Messages: 10,812

    Just redo it over there.

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