749 / 749 S / 749 R/923 ccm
749 / 749 S / 749 R/923 ccm
This 749 S bike is from Denmark and we made headportig with standart valves and mounted a 57 mm HPE exhaust.Fine balanced cams and squish adjustment .
- Diagram hp 749 S with HPE system 57mm
- Diagramm torque 749 S with HPE system 57mm
up to 924 ccm available.
We have also several other excamples but cannot show all what we made.
here is another 749R bike from JSB -Denmark with Acrapovic exhaust.
Shown under Workshop Tuning excamples .
for 749 R bikes a big bore kit with 848 ccm is available ,see here please :