Michael Dunlop topped the practice times for the Lightweight class for Supertwin machines on the opening night of practice at the Isle of Man TT.
The Ballymoney rider lapped the 37.73-mile Mountain Course at 113.55mph on his Kawasaki ER650 on Saturday evening.
England's Ivan Lintin was second quickest on 113.42 and three-time winner Michael Rutter third on 113.10.
British Superbike regular Josh Brookes was best newcomer on 114.62mph, with Dubliner Derek Sheils third on 113.24.
The debut of Tyco TAS Suzuki star Brookes is expected to be one of the highlights of this year's two-week festival.
Dave Molyneux and Patrick Farrance were the fastest sidecar crew in their first session.
The next practice run is scheduled for Monday night, with the Superbikes, Superstocks and Supersports set fro their first taste of the action.
Supertwins practice speeds
1 Michael Dunlop 113.55mph
2 Ivan Lintin 113.42
3 Michael Rutter 113.10
4 Conor Cummins 112.59
5 Cameron Donald 112.51
6 Dean Harrison 112.10
Sidecar practice speeds
1 Dave Molyneux/Patrick Farrance 11.27mph
2 John Holden/Andrew Winkle 110.01
3 Conrad Harrison/Mike Aylott 109.96