1912 Indian Board Track V-twin racer. Board-track racers had cylinders ported to scavenge excess exhaust and crankcase pressure. Some factory racing machines were sold to public in both to defray expenses and encourage privateer entries.
Harley-Davidson Pea Shooter: the lightweight racing ‘Pea Shooters’ had an elegant style that has worn well over the years. These very rapid singles came into being after the AMA launched a cubic inch’ racing class in