Any idea of what causes the throttle bodies to change past 90*? I'm guessing his sled pulled RPM full throttle when it was new,right?
Took a look at a 2016 sks 800 I have on the bench now, and I noticed that the throttle stop on the throttlebody now is a part of the cast aluminium and not a steel part as earlier models. This sled only has 20hrs on it and you could clearly see where the steel had contacted the aluminium, may it just be that wear on this spot causes the throttleplates to open too much?
Also, wont the TPS read to high max values causing issues with the ECU making fueling changes if it opens to wide?
Added pictures of the throttle at zero and max on the axys engine and another of the earlier design, a 2014 pro throttlebody.
I have a 2016 pro myself, revs well over 8300 at 90% throttle but as soon as I press it to the bar it falls back to 7900-8000. Leaning more and more against it being an issue with the throttlebody..