Originally Posted by xr4x4rs
have you tried a diferent dizzy or coil?
check inside the dizzy that the wires arnt broke inside
the green wire on the coil is an earth and goes toyour rev counter
the black wire is the live

Hi
I have changed the coil, but made no change. The rev counter is moving about 500rpm and there is a 12 volt supply to the coil.
When I checked the dizzy on the scope I was getting a good wave on the screen but it was only about 5 volts change.
Do you know if it should be more?