Manx rider Ryan Kneen produced the best time in Monday night's Manx Grand Prix practice to top both the Senior and Junior classes at 115.626mph.
Last year, brother Dan scored an historic hat-trick of wins.
Other class leaders are Paul Owen, Joe Phillips, Sean Murphy, Andrew Farrell, Brian Mateer, Dave Madsen Mygdal, Ryan Farquhar, Roy Richardson and Ewan Hamilton.
There were seven incidents reported during the evening, Glyn Jones stopped at the Waterworks suffering from cramp.
Mark Woods was off at the Gooseneck, as was Jochen Trockel, whilst Chris Foster came off at Governors, followed by Stuart Thomas at the same spot.
Alan Pahor slid at Kerrowmoar and Paul Noble had a similar incident at Sulby Bridge.
All are reported as OK.
The next session is Tuesday evening with roads around the Mountain Course closing at 6 o'clock.
Chris Kinley has more details:-