490cc, Mag cases, Bronze Alloy head, CR gearbox 9:1 compression ratio, 31bhp at rear wheel. Handling good, Brakes - adventurous. Semi-practical on today's roads. Posted by ein_ton on 2009-01-01 16:49:18 Tagged: , Norton , Vintage Motorcycle , Inter , Motorcycle Advertise your bike business at Bikes n Customs #bikesncustoms