Thank you for your input and have now got it sorted . Threads were cleaned on both fork and headset . A light drop of oil onto the fork before hand tightening the headset nut onto the fork - no spanner needed . Had a tiny amount of aluminium swarf but put this down to differences in thread pitch .
Thank you for your input and have now got it sorted . Threads were cleaned on both fork and headset . A light drop of oil onto the fork before hand tightening the headset nut onto the fork - no spanner needed . Had a tiny amount of aluminium swarf but put this down to differences in thread pitch .