I used an Axial .28 Spec1 in my Ofna, I loved it over the Pico .21 the Axial lacked high peak RPM but has something my Pico never did (GRUNT).. But all great things must come to an end... I rolled my Ofna up!
So my Little brother bought me a SavageX 4.6 for my B-Day!!! (He has one already)...
Crank/Bearing leakage my 2¢
I run a Axial .28Spec 1 not the RR, bought it just by chance as I cooked my pico .21, I really have to say sorry that you where haveing such an issue. I have seen this issue on a few motors both car and air craft (Pico, OS, Fox) and would like to offer my 2¢ .. At...