Chainsaw Repair

So the 1.85 ratio represents a smaller case volume vs the bike motors? (1.4 ratio)   

I'm assuming the  bigger ratio  would equate to higher crankcase pressure and result in moving more fuel/air per time unit than the larger case bike motors. 

I'm wondering how this plays into the bike T/A graphs and if they are co pletely skewed towards the bike motors with their different crankcase volume/ratio?

 End result COULD be equal if you have a small motor moving air faster for less duration vs. The large motor moving air a bit slower for LONGER duration but I'm not sure the Blair Jennings data works this way or there are losses from moving the fuel air at higher pressures. (Perhaps more short circuiting)