[Alex] bought his Honda CB400 from someone who had already done a diesel motor conversion; a 200cc single-cylinder motor provided just enough horsepower to putt around town. [Alex] wanted a bike ...

The lads opted for a 196cc diesel engine from Amazon ... In an effort to significantly boost the bike's top speed, the guys at BOOM bought Amazon's cheapest turbocharger, which cost just $129. ...

which offers more low- and mid-range torque than the best bikes out there today. While the idea of a diesel motorcycle isn't new, no company has been able to achieve the results of Star Twin ...