Australian David Johnson took advantage of Michael Dunlop’s final-lap retirement to secure a first Classic TT win in the Superbike class on Monday.
Dunlop was leading by 13 seconds in the Superbike race when he retired at Hillberry with just a few miles left.
The Ballymoney rider was in front for each of the opening three laps.
It was a first Isle of Man Mountain Course success for Johnson, who won by 41 seconds from Derek Sheils with James Hillier a further 1.5 seconds back.
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Johnson was on board a Kawasaki, with Sheils, also Kawasaki-mounted, producing a late charge on the last lap to overhaul Hillier, who was riding a Ducati,
Manxmen Conor Cummins and Ryan Kneen were fourth and fifth with Irish rider Michael Sweeney sixth.
Adelaide native Johnson earned a first podium at the Isle of Man TT Races in June when he edged out Dunlop for third place in the Superstock event.
Dunlop was denied a record fourth Superbike win at the Classic meeting but he jointly set the fastest lap with Michael Rutter on his second circuit with an average speed of 125.63mph.
A victory would have seen Dunlop move above Dean Harrison as the most successful rider at the Classic TT with five wins overall but it was not to be.
Jamie Coward, who won the Junior Classic race earlier on Monday, retired on the third lap while contending for a podium spot, with Rutter also failing to finish.
Harrison had won the Superbike race in the previous two years but was a non-starter on Monday because of minor injuries sustained in a practice crash last week.