My point was that Yamaha *do* build a similar setup (which was the question). They just don't fit it to the 660.
You may as well ask why BMW don't fit them to the 650s, but do fit them to the 1200s.
(The answer is almost certainly cost).
I looked at the Tubliss setup when I bought my DR-Z and started doing enduros. Since they're quite expensive, I figured "well I'll see how it goes with normal tubes, and if I find I'm getting a lot of punctures maybe it will be worth the investment". About 40 hours of racing at 12psi later... no punctures.
Likewise, I've done over 30,000 miles on the Tenere, probably a few thousand of that off-road, and some of it at rally pace. No punctures. I don't go below about 24psi on the Ten'.
In fact, I've had two punctures in ten years of riding. Both were screws picked up on the road. I struggle to believe that I'm abnormally lucky, so while the Tubliss setup is interesting, I'm not sure how many people are having regular enough punctures to justify it.
Also worth noting that last time I looked at the Tubliss site, they didn't recommend it for use at high speeds on tarmac.
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I spent a lot of money on travel and racing motorcycles - the rest I just squandered.
XT660Z -
Commuter, Adventurer...Racer?
www.dashmoto.net
Other bikes >> MT-03 / CG125BR-J / ER-6F
Departed >> ZXR400L3 / EC300 / DR-Z400E / DR800S / GPZ500S / GS400
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