| | Motorcycle Online: The Early Years of Grand Prix Racing, the 1960's (Site not responding. Last check: 2007-11-04) |
 | | It was Kaaden's brilliance in devising an exhaust port of an appropriate shape to separate the intake and exhaust functions of the two-stroke motor that led to the huge increases in horsepower and fuel efficiency, turning the strokers from smoky no-hopers to the screaming machines we know today. |
 | | For 500s Honda fielded Hailwood on a four, meaning that Mike had to ride an incredible 31 Grands Prixes that season, of which he won 16, including three at the Dutch TT in a day and three at the IOM TT in a week. |
 | | Races were still largely held on road circuits so imagine the stress endured as riders fought with both rivals and their own machines around circuits lined with curbs, trees, stone walls and lamp posts. |
| www.motorcycle.com /mo/mcracing/gphistory2.html (4705 words) |