1995 Johnson/Evinrude Outboards 9.9, 15 four-stroke Service Manual, Page 77Get this manual

1995 Johnson/Evinrude Outboards 9.9, 15 four-stroke Service Manual, Page 77

Ignition Coil Tests Many ignition testers are available from various manufacturersIn addition, some automotive testers having
O.28:tO.05 2300:t300 Stevens 1.1 amps Ohmmeter Tests Resistance tests may be performed while the ignition coil is still mounted
on the powerhead 1Twist and remove the spark plugs and primary lead from the ignition coil OJ 2Calibrate ohmmeter on appropriate
scaleConnect meter black lead to clean engine groundIf the coil is mounted on the engine, connect meter black lead to ground
tab on the coilConnect meter red lead to coil primary terminal Meter must show 0.28 0.05 ohm 3Calibrate ohmmeter on appropriate
scaleConnect meter red lead to one of the coil's spark plug terminalsLeave meter black lead connected to ground tab Meter
must show high reading rn 4Move meter red lead to remaining coil spark plug terminal Meter must show high reading 5Calibrate