Caption:
The Royal Enfield 350cc Super 5 Sportsflow ridden by John
Hartle and Monty Buxton pits for a quick refuel before going in the 250cc class.Keywords: 1963, 2013, Glass plate, June, Mortons Archive, Mortons Media Group, Straight from the plate, The Classic MotorCycle, Thruxton 500 mile race