Example
Input: 500cc, 50cc
Result: 11:1
Step-by-Step Guide
1. Cyl
Swept Vol.
2. Comb
Compressed Vol.
3. CR
Ratio.
What is Compression Ratio?
(Cyl + Comb) / Comb.
How it Works
Ratio.
FAQ
Dynamic CR?
Depends on cam timing.
Conclusion
Higher CR = More efficiency but needs octane.