I had a friend do the welding he has a syncrowave 350 I think. he put down one main weld everywere and then double lapped them as well, I will take better pics of just the cradle when I take the motor back out for the motor mounts It looks pretty factory, And the 250 frame is WAY smaller then the 450, It took me a long time to get the motor in the position I wanted it in it has about .020" from the front of the motor to the head stem I had to take out little by little to get it perfect.