Both the Jawa Perak and 42 Bobber are powered by the same 334cc, liquid-cooled, single-cylinder motor mated to a six-speed gearbox with a slip and assist clutch
Jawa Yezdi Motorcycles has updated its bobber motorcycles sold in India, Perak, and the 42 Bobber. The former gets a new dual-tone paint while the latter gets a price cut., Bike News News - Times Now