2000 honda sir compression ratio???

[teggypimp95]

Any one know the compression ratio on my 2000 sir? i need to know if i need to put in premium gas or not

[EK 2.0]

10:1

or

10.2:1

I don't remember the exact number and am too lazy to search it out for you haha...

[rc2002]

Well if you're asking only because you want to know if you need premium gas, then the CR doesn't matter. Yes you do need premium gas.