The upcoming Jawa 42 is expected to be powered by the 334cc, liquid-cooled, single-cylinder engine that is used in the Jawa 350. Jawa has teased the upcoming launch of its upgraded neo-classic model 42, which will be launched in India on September 3. The upcoming Jawa 42 will be all-new compared to the existing 42 that Jawa launched a while ago and is expected to have new colour options and revised styling to make it stand out. The latest update brings engine tweaks and more comfortable seats. The current Jawa 42 is powered by a J-Panther 294.72cc single-cylinder liquid-cooled engine that produces 27bhp of power and 26.84Nm of peak torque, while the new Jawa 42 is expected to feature a 334cc liquid-cooled single-cylinder engine that is used in the Jawa 350. In the Jawa 350, the 334cc Alpha-2 engine produces 22.2bhp of power at 7,000rpm and 28.2Nm of peak torque at 5,000rpm, and the drivetrain is handled by a 6-speed…