Dynojet 198: Kart and ATV Dynamometers - Manual (Page 39)

Document #98234100 4 - 5
RPM Pickup Descriptions
RPM pickup description
Secondaries (Non- wasted spark system) Use one secondary pickup. Unplug the
other pickup from the RPM module and
set the degrees between plug fires to 720°
in WinPEP 7.
Secondaries (Wasted spark ignition system) Use two secondary pickups. Attach one
pickup on each spark plug wire on the
same coil and set the degrees between
plug fires to 360° in WinPEP 7.
Primary pickup Attach the primary wire pickup to the
primary side of the coil. Set the degrees
between plug fires by taking 720 (four
cycle engines) or 360 (two cycle engines)
divided by the number of cylinders
multiplied by the number of coils.
For example, the number of degrees
between plug fires on a four cylinder four
cycle engine with dual coils (where each
coil fires two cylinders) is 720/4 x 2=360
degrees.