when I first heard reports of a 90 hp smc I said no way. one article in supermotard magazine later and it all seems very real. they reviewed a 690 smc that is developping 90 hp at the crank, roughly 81 hp at the wheel. the best part yet is that mods performed to reach this level of power aren't all that overwhelming, the biggest part of the actual motor remained stock. one of the mayor changes
2016 KTM 690 Enduro R Maximum power: 67 hp @ 8000 rpm; Maximum torque: 55 ft/lbs @ 6000 rpm; Compression ratio: 12.6:1; Muffler: Stainless steel; Fuel system: Keihin EFI w/ 46mm throttle body; yuvz.