[Commuta_Busa]

as far as re-mapping a bike because of a slip on isn't needed. If you've gone with a full exhaust and replaced/modified/removed any emissions equipment then you should remap. If you've done more than that such as modded your intake, changed cr, changed fuel psi, head work, cams, etc then you have to re-map. These are pretty basic rules to follow.

Another thing you have to remember is that the maps from dynojet are strictly a starting point. As mentioned every engine is different even in the same year, same model. Also note that alot of dynojet tunners only tune for good a/f ratio's. This doesn't give you the best performance. This is also why someone who has the same bike as you but has tunned their bike based on real world results will walk away from you if you've only tunned based on a dynojet run.

I mention dynojet directly because most dynojet owners/tunners only adjust maps based on a/f. Other types of dyno analyse differently and therefore the bike is tunned differently.

I could probably go on for pages but this is good enough to get people to look for more info and gain a better understanding of things dyno related.