I have a new 650mk and the clock would stay set when i received the bike. After I disconnected the battery to install a battery tender cable now the clock will not retain the time, after i set it and turn the bike off and then on it is 11 hours different time. Has anyone had this issue with their bike?   

[2015 Z Force 800 53/Trail EPS]

I have had something like that with my Z Force for the last 6 years. When it sits a while the clock is always way off...many hours sometimes. Have not been able to find a reason or cure...yet.

Thank you, I figured it out finaly, I went into the navigation and started navigation to a destination and the clock set to the correct time. I guess that it had to have the location updated by the navigation for correct time zone.

[2015 Z Force 800 53/Trail EPS]

Great! My old machine doesn't have all that modern Nav stuff.