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wanta450
01-06-2009, 05:31 AM
what is a 400ex stock compression ratio for an 05

and is the cylinder nikasil coated like the 450r and others
drew416ex
01-06-2009, 02:48 PM
stock compression is 9:1 and its not nikasil plated.
wanta450
01-06-2009, 03:23 PM
ok thanks