Compression Ratio and Thermal Efficiency

[Kiwi_ME]

Originally Posted By: UrS4
The expansion ratio of course..

Good answer, and why an Atkinson cycle or a turbo helps.

 

[userfriendly]

How about an answer instead of an opinion for once Kiwi?

 

[eddy21]

In the old Yamaha FZ750's it was either high compression for acceleration or lower compression for mph