Then around 1910 they started producing motorcycles again fitted with JAP engines, and in 1911 they attended the Olympia Motor Cycle show exhibiting their 3.5HP Colonial model (85mm bore, 88mm stroke), which had a single cylinder side valve engine of their own making, but was optionally available with a JAP engine, and they displayed a 2.5 hp model (70mm bore, 76mm stroke) which was fitted with a JAP engine. By the November 1913 show the range had been expanded to include a 211cc 2-stroke (62mm bore, 70mm stroke), as well as a military single cylinder model of 499cc, and their "Master Model Big Six", which was a motorcycle powered by a 50 degree V-twin of 770cc (76mm bore, 85mm stroke). The show report notes that "New Hudson Cycle Co were one of the first firms to fit, as standard, three-speed gears to motorcycles".
Around 1910, they began manufacturing motorcycles equipped with JAP engines; in 1911, they showcased their Colonial model at Olympia Motor Cycle show. The Colonial featured a single cylinder side valve engine of their own design but could be fitted with a JAP engine. They also exhibited a 2.5 hp model (70mm bore, 76mm stroke) with a JAP engine. By November 1913, the range included a 211cc 2-stroke motorcycle and a military single cylinder model of 499cc, along with their "Master Model Big Six", powered by a V-twin engine. The show report indicated that New Hudson Cycle Co was among the pioneers to standardize three-speed gears on motorcycles.