For the last month my bike has been getting hard to start from cold, once it does start it's fine for the rest of the day starting first time. I've tried a new spark plug and cleaned the carb but still the same. Went to kick it over today and it failed to start after a good 15 kicks , it almost fired by about the 8th kick but I think it was flooded by then. Gave it a few kicks with fuel off but still nothing. Anyone had similar or got any ideas? cheers