- Undo all 14 crack case screw
![Macintosh HD:Users:andrewwales:Desktop:MZ engine photos:IMG_6568.jpg](https://bmzrc.net/wp-content/uploads/2019/12/27crankcase.png)
- Tap right hand side away from left
- This may require heat on crank area
![Macintosh HD:Users:andrewwales:Desktop:MZ engine photos:IMG_6570.jpg](https://bmzrc.net/wp-content/uploads/2019/12/28heat.png)
![Macintosh HD:Users:andrewwales:Desktop:MZ engine photos:IMG_6571.jpg](https://bmzrc.net/wp-content/uploads/2019/12/29heat.png)
![Macintosh HD:Users:andrewwales:Desktop:MZ engine photos:IMG_6572.jpg](https://bmzrc.net/wp-content/uploads/2019/12/30heat.png)
Right hand case
![Macintosh HD:Users:andrewwales:Desktop:MZ engine photos:IMG_6573.jpg](https://bmzrc.net/wp-content/uploads/2019/12/31righthandcase.png)
Left hand case with crank and gear box
![Macintosh HD:Users:andrewwales:Desktop:MZ engine photos:IMG_6574.jpg](https://bmzrc.net/wp-content/uploads/2019/12/32leftcase.png)
Remove Gearshift change shaft, check top edge for wear and that the end has good point
![Macintosh HD:Users:andrewwales:Desktop:MZ engine photos:IMG_6576.jpg](https://bmzrc.net/wp-content/uploads/2019/12/33gearshaft.png)
![Macintosh HD:Users:andrewwales:Desktop:MZ engine photos:IMG_6577.jpg](https://bmzrc.net/wp-content/uploads/2019/12/34changeshaft.png)
![Macintosh HD:Users:andrewwales:Desktop:MZ engine photos:IMG_6580.jpg](https://bmzrc.net/wp-content/uploads/2019/12/35changeshaft.png)
![](https://bmzrc.net/wp-content/uploads/2019/12/36changeshaft.png)
Right hand case
Left hand case with crank and gear box
Remove Gearshift change shaft, check top edge for wear and that the end has good point