Larger Air Cooler probably wouldn't make a noticable sensor as the fan is run off the rear cylinder temp. All the fan does is suck the hot air out as fast as it can. Best bet would be to force cold air through one or both of the air scoops. Now if you wanted to get really crazy, rig up a water cooling system that goes around the block, have heard of it on some crazy custom bikes, but never actually seen it, I can tell you that it works quite well on Gaming and Super computers. So I'm sure it's feasible...