So I have a new bike - its bigger - faster (have yet to really experience this) & a hell of a lot more daunting than the 250. Each time I take it out I'm coming home so damn tired ......... First day I put it down to hanging on to tightly, over-concentrating and just getting used to the thing. But, a week later am still feeling the same. Have tried eating chocolate before I go (energy food!), stopping for coffee, drinking lots of water, even Red Bull. Am beginning to wonder if this cold weather (in Melb) isn't helping. God forbid I have to start exercising or meditating to help me get over this Any less drastic solutions on hand?