July 18, 201015 yr Author it'll change the ignition mapping and get rid of the stock rev limiter, it has two maps that can be selected by switching a button, ones an HRC map, the other's a 15 degree advance. Sold my bike when I moved up from Bangkok, so don't have a test bike handy. Looked at some rental bikes, but they're all to frail and chopped up for testing.<br><br>I'll install it, then you just tell me what you think the performance gain is. I ship pre moddified CBR 150 engines abroad and need to see what the performance is on a stock bike. Shouldn't take more than 10 minutes to get it going, just have to remove the front seat and gas tank, two bolts total.<br>
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