After putting a post on here about the clutch judder on my r1 striker, i bought a second hand basket and steel's, started to take the old one off,,, bent the lock tab back only to find the big nut loose!! further inspection revealed the basket was'nt locked into place (look's like it needed to go back another 3-4 mm) thank god for the locking tab,, Anyway all sorted now engine,gearbox & clutch work's a treat !! thank's guy's for all your help