Here you are, hopefully this helps.
After removing the 3 screws on the bottom of D10 to remove the shell there are two more to remove the engine assembly.
Once that is out you should have this:
You now need to remove the weights at the rear and side, and it should look like this:
There are 3 screws to remove:
Now you should have this, make note of the gears and how the go in:
You can now de-solder the motor and solder in the new one. In my expierence the ground and the resistor are not needed but use them if you can.
Other than the gears being right you have to get the activation mechinisim and sprin right, it should look like this:
And now back together:
Here is a shot of the circuit board. Note the red wire is the (+) connection and the lower bottom hole is for the (-) wire which is missing on this one.
This D10 was one missing the Splatter that I won in an auction this is not fully connected but works fine when connected to a battery.
