Ok, so for the timing, take the piston to TDC (top Dead Centre), then turn her aniti-clockwise, till the piston has moved down exactly 3mm from the TDC point.
Adjust the breaker plate so that the brakers are only just begining to open, tighten it up, then re-check your mesuremrents (begins open at 3mm from TDC, full Braker point gap is 0.685mm)