At Bimotion, our mission is to develop user friendly commercial grade 2-stroke software, at an affordable cost for amateurs and professionals alike.

Bimotion 2-stroke software has been commercially available and in professional use since 1991.

Why you should buy Bimotion :


-  unique, modern, user friendly and in depth programs
-  educational
-  updated on a regular basis
-  free updates
-  lifetime license
-  portable, non-hardware dedicated
-  free support 


Additional 2-stroke theory and Bimotion unique analysis can be found under "Theory" in the menu section...

Bimotion Flow is a unique Excel intake duct program which calculates and updates 3D cad models, the optimum flow of NACA Duct and NASA Bend.

Thank you for choosing Bimotion.