Here is how i clean my radiators on my quads. i did one off the LTR so you can see how it works better. but this method works on the quad just as well. i used nucalgon brand NUBRITE coil and condenser cleaner. i also do this on my cars and trucks to keep the a/c and radiator working 100%

PRODUCT LINK BELOW!

available on amazon

Nu Calgon 429118 Nu Brite Aerosol https://amzn.to/2JWjYsl
NU Calgon Nu Brite 1 GALLON https://amzn.to/2YfBnpo

Frost King coil cleaner LOW VOC https://amzn.to/2GAY2lK

here is low pressure wand i use https://amzn.to/3P9NdIX

*HERES LINK TO VIDEO OF DOING IT INSIDE THE VEHICLE!*

   • THE BEST NO SCRUBBING ATV UTV RZR Dir...  

will work on car, truck, intercoolers, any type of radiator, RZR, bus, semi truck Rzr 1000 xp turbo S pro can am maverick xr XMR mud dirt dust sand oil grime