JAWA 2-stroke power tuning 350 cc / 559R (part 1)

Welcome to a little insight of how to get about 35 #twostroke HP from a 1960s JAWA 250, resulting in a top speed performance of almost 150 kmph.
Feel free to have a look into Part 2 video showing further details on the way into the skies: • JAWA 2-stroke power tu...
And how does it feel to ride this bullet? Just hop on for a minute: • JAWA 559R | 350 cc 2-s...
The entire “making-of” in writing can be found here: forum.jawafreu...