1998 Mercury 9.9/15HP 4-stroke outboards factory service manual, Page 99Get this manual
TIMING, SYNCHRONIZINGADJUSTING
ELECTRICAL
Section 2CTiming, SynchronizingAdjusting
Table of Contents
Specifications 2C-1 Special Tools 2C-1 Checking Ignition Timing 2C-2
Specifications
Type Spark Plug Type Gap Hex Firing Order Ignition Timing: Below 800 rpm 2800-3300 rpm Charge Coil Resistance Crank Position Sensor Resistance Ignition Coil Resistance: Primary Secondary (Wo Boots) ECM Engine Speed Limiter Spark Cut-Out Reduction (Percent ages of ignition spark are Cut-Out) ECM Low Oil Pressure Speed Control Oil Pressure Switch Capacitor Discharge Ignition NGK DPR6EA-9 0.035 in(1.0 mm) 18 mm 1-2 B.T.D.C30 B.T.D.C270410 (BRNBLU) 230350 (GRNWHTBLK) 0.160.24 3.95.9 5850 rpm Approximately 2000 rpm Below 2.5 psi (17 kPa) Continuity