Mercury 40

SPECIFICATIONS
Page 1A-2 90-828631R3 MARCH 1999
IGNITION SYSTEM*
*Readings taken @ 68°F
(20°C).
Type
Spark Plug Type (NGK)
Spark Plug Gap
Firing Order
Ignition Timing:
40/45 HP
Fully Retarded
Fully Advanced (2500-3000 rpm)
50 HP
Fully Retarded
Fully Advanced (2500-3000 rpm)
Charge Coil Resistance
Trigger Coil Resistance
Ignition Coil Resistance:
Primary
Secondary
cdi Engine Speed Limiter
cdi Overheat Speed Control
Engine Temperature Switch
Above 131° F (55° C)
Below 104° F (40° C)
Capacitor Discharge Ignition
NGK DPR6EA-9
0.035 in. (1.0 mm)
1-3-4-2
5° B.T.D.C
25° B.T.D.C
5° B.T.D.C
35° B.T.D.C
272 - 408 Ω (BRN-BLU)
396 - 594 Ω (WHT/BLK-WHT/RED)
0.1 - 0.7 Ω
3.5 - 4.7 kΩ
6120 - 6280 rpm
1600 - 2400 rpm
No Continuity
Continuity
CHARGING
SYSTEM
Alternator Type
Alternator Output:
Electric Start
Lighting Coil Resistance (Grn - Grn)
Lighting Coil Output Peak Voltage
Three Phase
12 Volts - 10 Amps. (Regulated)
1.2 - 3.2 Ohms @ 68°F (20°C)
8.9 Volts @ 1500 rpm
STARTING
SYSTEM
P/N 50-825095 Top Mounted
Electric Start:
Starter Type
Output
Ampere Draw Under:
(Load)
(No Load)
P/N 50-834749 Side Mounted
Starter Type
Output
Ampere Draw Under:
(Load)
(No Load)
Bendix
1.1 kW
106.0 Amps
21.1 Amps
Bendix
1.1 kW
95.0 Amps
20.0 Amps
BATTERY
Battery Rating
Minimum Requirement
For operation below 32° F (0° C)
465 Marine Cranking Amps (MCA)
or 350 Cold Cranking Amps (CCA).
1000 Marine Cranking Amps (MCA) or
775 Cold Cranking Amps (CCA)
ENRICHMENT
CONTROL SYSTEM
Choke Solenoid
Electro-thermal ram projection
3.2 - 4.8 Ω @ 68°F (20 °C)
0.3 in. (7 mm) after 5 min. of power
FUEL SYSTEM
Fuel Pump Type
Fuel Pump:
Pressure
Diaphragm Stroke
Plunger Stroke
Fuel Tank Capacity
External (Plunger/Diaphragm)
3-6 psi (21-41 kPa)
0.14 - 0.20 in. (3.5 - 5.1 mm)
0.23 - 0.38 in. (5.85 - 9.65 mm)
Accessory