Home Forums General Karting Discussion Rotax unleashed…

This topic contains 3 replies, has 3 voices, and was last updated by  Ted Hamilton 3 years, 10 months ago.

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  • #21193

    Ted Hamilton
    Participant

    After the tech seminar at GoPro Motorplex today for the RMax classes, I was struck by the amount of little details policed and required for spec, sealed racing. Not unreasonable, and neccesary to keep things close, but tedious sometimes.

    Which led me to wonder….who’s played with their Rotax to make it a bit more powerful and easier to tune / more similar to pre-existing kart engines. Off the top of my head:

    – Smaller, and tilly style carb
    – Vevey-style pipe or ICC pipe
    – Porting mods
    – Head and dome mods
    – retrofitting a tunable clutch
    – ????

    Just curious what’s been done and what people’s experiences were… I don’t know that the MAX in Rotax is an apt name, but I do admire the stability of the platform and longevity of the engine. Obviously mods would shorten that, but I bet it’s be a different beast to drive too….

    ~Ted

    www.facebook.com/hamiltonhelmets/
    2014 Praga Dragon / IAME KA-100

    #21196

    Josh Buttafoco
    Participant

    We have a kart we use for enduro races, DD2 cylinder 30mm icc carb. It actually makes the blowtax fun to drive. Ends up being quicker than a motori or x30.  For what it is, it’s not bad.

    #21228

    Walt Gifford
    Participant

    Modified rotax class, I’m trying to think of anything more expensive.

    FAA certified jet engine and aircraft technician,
    Nicholson Speedway class champion 2001,
    Yamaha KT100 Service Center,
    41 years karting experience

    #21236

    Ted Hamilton
    Participant

    Walt, I’m not saying it’s “ideal”, I was just curious… I race unlimited dirt oval, so you see all kinds of oddball combos…and modifications. This Rotax may become a mod for my dirt kart if I get good info here, or I’ll update it to current RMax specs. I was simply curious. 🙂

    www.facebook.com/hamiltonhelmets/
    2014 Praga Dragon / IAME KA-100

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