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Okay I line the dots of the crank at 12 and the cam sprocket at 6 when I rotate 360 Degrees the crank is at 12 and the cam sprocket is at 12 when I rotate another 360 Degrees the cam sprocket is at 6 and the crank is at 12. This apprears to be correct but I'm not a 100% clear whether I'm on the compression stroke or not. Does this sound correct???