But the engine-switch was not perfect, due to my lack of skill and knowledge.
There is one big issue:
The ST3-engine is attached at only 3 points to the frame.
The 907-Frame is too weak at the upper forward engine mount.
This is what follows:
![Image](http://img41.imageshack.us/img41/3079/dscf4913a.jpg)
So I disassambled the whole thing. I am going to rebuild it with improved mounts...
Status:
![Image](http://img510.imageshack.us/img510/5329/27122010dietrennung1.jpg)
Disassembly in living room:
![Image](http://img689.imageshack.us/img689/9190/19122010fertigzurscheid.jpg)