Sachs 200 - 22.11. Place the 13 rollers on top of the layshaft shim (4-128). Putting transmission oil (non hypoid) or grease on the rollers will cause them to stick to the shim and the layshaft and there is less chance of them becoming dislodged during assembly.; 22.12. Make sure that the two dowels are in position at the front and rear of the crankcase halves.