There was a dramatic finish to the solo support event on the Billown circuit on Saturday evening.
In the end, John Burrows pipped Mark Parrett for the honours by just .295 seconds.
He completed eight laps in 19 minutes, 23.39 seconds.
Stephen Oates, racing a 750 Suzuki, was third overall.
After the victory, Burrows told Chris Kinley he was tired but thrilled.
Roy Richardson was the winner of the 600cc class with Mark Buckley the runner-up and Simon Fulton in third.
Shooting: Mark Riley wins both rounds at Meary Veg
Second and third rounds of the Sadler Agricultural Supplies ABT league held
Lee Dixon appointed as new FC Isle of Man manager
Club announces new appointment ahead of Festival of Football
More names added to Commonwealth Games squad
Swimmers Connor Mealin and Zack Bellhouse will join the team next month
New chair and CEO on FC Isle of Man board
David Pope and Russ Kent to take on the rolls
Organisation offering free football camps to struggling families
Let's Play inviting children to be part of sessions this summer