I havent got a clue about the tickover. But i do no the cluch is sorted on the 07 its easy to use and has a gradual biting poing its not as sharp as the 06, were there eathere on or off. I do not wat can help with and 05 bikes cluch as some one in our center did and likes his bike so much more now because he bought a mitani cluch kit and fitted a bigger resivo wich just changing the resivo can help tho