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A step in the right direction. Removing the cover between the radiators and taping the gap between the cowling on the right side(IMG_225 above) definitely improved things. Perceived heat seemed lower and more even on both sides instead of hotter on the right side. I'm not positive which contributed more but I think allowing ambient air to flow through by removing the cover is the main reason. There is still the gap on the left side cowling which I did not tape. The gap on the right is about 30% larger than the one on the left which is why I chose to tape that side first.


Temps on the ride into work was 94*F(34*C) and I was able to ride for the first time below 80*F(27*C) on the way home. Having removed the cover between the radiator and finally having cooler air I was able to really tell how much heat comes out from the radiator fans, it is significant. I could tell that it is focused at the vertex of the V in the cowl duct highlighted in red(IMG_237), which is also right at the knee for me.


I am going to order the deflectors for that area, air-deflectors-for-triumph-tiger-900-850-sport. I've seen mixed results in videos with those. It almost seems they will direct the air up toward the top of the leg and thigh area although it may be enough to direct the air up and over completely.  Perhaps an improved design would be to follow the V contour(IMG_238) to direct air out and away more?


Also, the side fairing/cover I suggested in the first post would actually have to be smaller(highlighted in blue IMG_237) as the clutch cable would be in the way. I still believe such a cover would be a significant improvement as a barrier of the radiant heat from the engine itself and the frame rails.


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