Weight, tank size and not draped in relatively useless stuff that is essentially for show and little else. I like function over form if pushed to chose...

It is not a feather, by any accounts, but it is pretty light for a bike that you can essentially get on and ride straight off. Other singles that seem popular, such as the DR 650 are no doubt good, but they lack a fairing, FI (which is an advantage despite the CPU fears sometimes expressed) as well as tank capacity.

The 800GS fairs well in terms of weight, but lacks that tank size. The Yam's price is also good, although it has gone up since its release, and every penny not spent on a bike can go on accessories or, better still, miles.

More importantly, most of the first hand accounts I've read or heard have been positive and that carries more weight than a spec sheet.

Compared to the Triumph? Hard to say because most of what has been written here is hearsay and speculation: Triumph have hardly been forthcoming, it seems. That for me sounds like trying to big-up the hype before a release, but the lack of specs is maybe because it will be another road bike in Enduro clothing.

I'm not saying it won't be good, but I don't think it will be what many on here hope as our needs don't sell bikes for the majority of the customer base.

Ultimately, this is my own hearsay and speculation as I have never ridden any myself.

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Adventure: it's an experience, not a style!
(so ride what you like, but ride it somewhere new!)