as this http://thelatebay.com/index.php?topic=3422.0 took it out found the nut was loose, done it up put it back no end float ran for a day the noise came back now have end float is the nut lose again
Use some lock title and tighten it till you think your bars going to snap God luck with that it's a bit cold this morning to be messing about with cold metal.
my friend gave up in the end and bought a recon engine damaging the second crank and flywheel was the last straw good luck