If it's £90 to replace and it doesn't make any difference I think I'll ignore it. Looks like it can be pulled apart and cleaned though, maybe a job for the off-season. Hate taking bikes apart when the suns out. Thanks for the info/help. https://www.ebay.co.uk/itm/HONDA-CB...019891?hash=item33e9cf7733:g:164AAOSwUIhZX40H
Servo buddy for a 929 https://www.speedycom.co.uk/shop/pr...od_notif_email=e-mail&prod_notif_email=e-mail Fit that and remove the servo and cables. problem solved and weight reduced.