It is a very common issue on the 1.0 and 2.0, stress fractures at the mounts cause leaks. Simple to change it but the part is ~$500 if out of warranty. Make sure you keep your battery terminals tight, they can work their way loose and give MTC failure and other odd-ball errors. Lots of tips and such on the FB group "Club KTM 1290 Super Duke R".
It has low maintenance tubeless tires (unlike the new Africa Twin) and the engine has plenty of grunt (more than the 1200GS) and it comes with a 7.9Gallon fuel tank (vs the Super Tenere's 6.6 gallons). The only problem is that the seat height at the lowest setting is 33.8 inches and I have a 30 inch inseam.
Like all Touratech comfort seats, the seat for the KTM 1290 Super Adventure has a precisely balanced angle of inclination that supports an upright riding position. By means of the seat surface design, the Touratech developers have managed to solve the annoying problem of slipping forward and to provide relief for the rider‘s coccyx with the
NO ROADS, NO PROBLEM: RACE ANYWHERE WITH THE 2024 KTM 1290 SUPER ADVENTURE S AND KTM 1290 SUPER ADVENTURE R . KTM announces availability of the 2024 KTM 1290 SUPER ADVENTURE S and KTM 1290 SUPER 4 out of 5 (4/5) It's not a great story when you start delving into the reliability of the KTM
So far I've replaced the rear disc as the bobbins wore out, and that's about it. On my third set of chain and sprockets, lost count of pads and tyres. I put an Oberon slave on. I'd had no problems with the original but replaced it as a precaution before a 4000 mile trip to Scotland.
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ktm 1290 super adventure s problems