last ride i had was a tt on a flat grass paddock. it had rained bucket loads the night before.i ride a 02 YZF426.when i got to the track the grass was about afoot long. it was like a ice skateing ring!i had dunlop D739 both ends.it was shocking had no grip.my 5 year old son could have bet me with his EYES CLOSED!! anyone else have a BAD tire choice STORY!!CHEERS!!