Any free mods for the rhino engine

I have noticed there are a few clutching tricks and free / cheap mods like file fitting the sliders, grinding the secondary spring ect... but what about the motor i have a 660 with a k&n and outter wears, full alba, jetted, dynatek cdi, high flow fuel pump, over sized radiator and oil cooler. I know some bikes like honda have some free mods like removing the choke to open up carb more, grinding the welds of the inside of head pipe and a few more, any thing for the rhino that i may can do

Some grind the welds on the stock Rhino head pipe also!!

siphon break is a cheap upgrade

You can slug your clutch by using lead or by buying the kit.  Might as well service your sheeve while your at it.

Set your TPS....I guess this is one I'm gonna have to look into...

https://hotrodrhinoforums.forumotion.com/t1087p25-how-to-check-your-rhino-700-tps#36137