Tyco Suzuki's Guy Martin retained the Manx Gas Solo Championship in a record-breaking feature race at the Southern 100 on the Isle of Man.

Martin halted Dean Harrison's winning streak as he clinched a hard-earned triumph by 0.6 seconds after nine laps of the 4.25-mile Billown circuit.

Harrison had the consolation of establishing a new outright lap record in perfect conditions, upping the tempo to 114.601mph.

Manx rider Dan Kneen rode magnificently to clinch the final place on the rostrum after dropping down the field when he ran on at Ballakeighan on lap two. James Cowton, Russ Mountford and Ryan Kneen completed the top six.

BMW star Michael Dunlop had been running in third place but the Ulsterman retired from the race on the S1000RR at the end of lap seven with a problem as he dropped to 25 seconds behind the leading pair.

Lincolnshire favourite Martin had the rub of the green on the penultimate lap when slower riders hampered Harrison, allowing the Suzuki rider to gain a slight advantage, which he managed to hold to the finish.

A jubilant Martin, who has now won the Solo title three times, said: "Backmarkers were the making of that race and I got lucky. I knew I had to make every move count because the backmarkers were coming thick and fast and I got straight past both of them.

"The boys have had a few late nights grafting so it's given them something back; It's mint, just mint."

Harrison may have missed out on the victory spoils in the big race of the week, but the 25-year-old certainly left his mark on the event as he won five races in all.

The Bradford rider was victorious in the Corlett's Trophies 1000cc/600cc and Ellan Vannin Fuels Senior races on the RC Express Kawasaki ZX-10R and completed a double in the Supersport class on the Mar-Train Racing Yamaha.

Harrison also won the second Supertwin race, getting the decision of the judges after crossing the line neck and neck with James Cowton.