Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 6Get this manual
SPECIFICATIONS
IGNITION SYSTEM
Readings taken 68 (20cC)F
Type Spark Plug: Type Gap Hex Size Firing Order Ignition Timing: Idle (800 rpm) WOT (6000 rpm) Charge Coil Resistance Crank Position Sensor Resistance Ignition Coil Resistance: Primary Secondary (Wo Boots) ECM Engine Speed Limiter Soft Reduction (Retards Timing) Spark Cut-Out Reduction (Percentages of ignition spark are Cut-Out) ECM OverheatLow Oil Pressure Speed Control Engine Temperature Sensor
Alternator Type: AmpManual Lighting Coil Output Lighting Coil Resistance 15 AmpElectric Alternator Output Battery Charging Coil Resistance Power Bobbin Resistance (For Electrothermal Valve) Quicksilver Tachometer Setting Manual Start Electric Start: Starter Type Output Ampere Draw Under: (Load) (No Load) Battery Rating Minimum Requirement
Capacitor Discharge Ignition
NGK DPR6EA-9 0.035 in(1.0 mm) 18 mm 1-2-3 100 A.T.D.C 28 B.T.D.C 660 -710 (GRNIWHTWHTlGRN) 300350 (REDWHT) 0.080.7 (BLKBLKlWHT) 3.54.7 kQ (BLKHigh Tension) 6200 rpm 6250 rpm