whine

Hi all, I noticed a few weeks ago after coming back from a long ride and parking in the garage, that my bike was making a very funny noise, like a fog horn (engine off)... Anyone else noticed something similar/know what it is? This little bike is always full of surprises 😂 Cheers,

2014 Hyperstrada 821 5000klm Hi All I was just wondering if all the 821s engines has a slight whine in the gearbox on light throttle in the lower gears. Im noticing a slight whine like a straight cut gear type noise on light throttle only. 2nd gear is the same but less noise no other...