PVL TIMING CURVE COMPARED TO THE
FLAT HEAD AND EARLY ANIMAL TIMING
The trigger point of the flywheel is
the trailing edge of the second
During start up the ignition coil
fires when the trailing edge comes
out from under the second coil
The timing is retarded to make it
easier to start.
Once the engine is above idle the timing is
advanced for better performance. With the
stock key the timing is at 30 degrees. It
does not retard like many other small
engine ignition systems. It will stay at 30
degrees all the way up to maximum rpms.
This is the green LO 206 coil but all the
Briggs PVL systems work like this. The only
difference is the rev limit buit into the
different colored coils.
If you connect a tining light to the ignition
system you can see where it fires during
start up and as you rev the engine up.
Setting ignition timing on a PVL
It's the same procedure no matter what color coil you have.