compression ratio

[stephen12091985]

how do you find out what your compression ratio is?

 

[Braapbraap95]

compression test.

 

[stephen12091985]

but that dont tell you the ratio does it?

 

[Braapbraap95]

ohh, no. I thought you were asking straight up numbers. blaster compression ratio stock is like 6.5-1. Its seriously low.

 

[Braapbraap95]

http://www.yamaha-motor.com/sport/products/modelspeccompare/620/1139/0/compare.aspx its 6.6:1 stock.