Welcome Greenmachine, I am just wondering if you have answered the issue yourself, namely the battery being down a bit. My plan of action would be to Check the cables from the battery through to the starter motor and earth are clean. If no improvement get the battery checked out.
Good luck.


Ian
2011 Plus 4
Wild Mogs Reims 2019, Goodwood 2018, Isle of Man 2017, Carried on to Caramulo" 2016