Josh Brookes and Dan Kneen have joined Jackson Racing for the 2017 Isle of Man TT races in a new-look line-up, replacing the injured John McGuinness and Ulsterman Lee Johnston, who split from the team.
Glenn Irwin won the feature Superbike race at the North West 200 at his first attempt on the PBM Be Wiser Ducati after a sizzling battle with Alastair Seeley.
Honda Racing's Guy Martin is continuing to clock up the racing miles on the new Fireblade SP2 as he counts down to his eagerly awaited Isle of Man TT return.
Guy Martin and John McGuinness are making progress with their new Honda Fireblade SP2 machines after testing the Superbike-spec version for the first time at Castle Combe.
'How [Adrian Cox] has grown the Top Gun team over the last few years is a great story and it will be a real team effort to achieve good results' - Dan Hegarty.
Stuart Easton has chosen to retire from racing to bring an end to an 18-year career having claimed two British Supersport titles and four Macau GP wins.
'My heart is of course telling me to continue but in my head I know it is the right time for us to step down both as a team and a family' - Tim Martin.
'I am continually improving with the bike, strengthening my performance as a rider and I can only see us building upon our success in 2017 and more specifically dominating on the Supertwin' - Ivan Lintin.
'With our proven ability to operate a leading race team, coupled with William's extensive roads knowledge, we can make this very successful' - Martin Halsall.
James Hillier will stay at Bournemouth Kawasaki for a seventh consecutive year of international road racing events including the North West 200 and the Isle of Man TT.
'Due to business and personal commitments, Phil Reed of East Coast Construction will cease to run a privateer racing team with immediate effect' - ECR statement.
The International North West 200 will continue to be backed by Vauxhall Motors Ltd in 2016 after the car giant extended its title sponsorship into a fourth year.