Motorcycle: Name the issue you encounter in your Bike ! Pasok!

Hi guys,
Curious lang wala pa atang nagpost ng ganitong thread.
gusto ko lang malaman ang negative side ng kada bike na pagmamay-ari natin.

Ex.
Honda Cb110 issue Timing chain madaling lumuwag or
Moto r 155 issue sirain ang speedometer.

Thanks!