Thanks for all the replies.

It's quite fascinating what has been tried on the XT over the years, even turbo XTs!

From what I gather from the greek website, it seems you can generate 75hp by adding the turbo. i wasn't able to find out details of the additional weight that comes with it. might be significant though as Kev indicated and a major drawback.

I think adding a turbo or supercharger to increase the output to 75hp with an additional weight of not more than 3kg would be interesting. Should be reasonable priced though.

Thanks again!