dude if yur having problen with your blade runner your not alone mine sucks i went throught 2 motor and when i got mine the prpshaft conecter was drilled rong so it vibrated to the bottom of the lake [sm=drowning.gif] now i have a dolfin2 outboard on it with a 17 turn motor and it runs like new u need to modify the hatch at the back so it will acomodate the motor and remove the cowel of the outboard and i used 12 cells