Mercury 40 Service Manual page 6

SPECIFICATIONS
IGNITION SYSTEM*
*Readings taken @ 68 F
(20 C).
CHARGING
SYSTEM
STARTING
SYSTEM
BATTERY
ENRICHMENT
CONTROL SYSTEM
FUEL SYSTEM
Page 1A-2
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)
Alternator Type
Alternator Output:
Electric Start
Lighting Coil Resistance (Grn - Grn)
Lighting Coil Output Peak Voltage
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)
Battery Rating
Minimum Requirement
For operation below 32 F (0 C)
Choke Solenoid
Electro-thermal ram projection
Fuel Pump Type
Fuel Pump:
Pressure
Diaphragm Stroke
Plunger Stroke
Fuel Tank Capacity
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
Three Phase
12 Volts - 10 Amps. (Regulated)
1.2 - 3.2 Ohms @ 68 F (20 C)
8.9 Volts @ 1500 rpm
Bendix
1.1 kW
106.0 Amps
21.1 Amps
Bendix
1.1 kW
95.0 Amps
20.0 Amps
465 Marine Cranking Amps (MCA)
or 350 Cold Cranking Amps (CCA).
1000 Marine Cranking Amps (MCA) or
775 Cold Cranking Amps (CCA)
3.2 - 4.8 Ω @ 68 F (20 C)
0.3 in. (7 mm) after 5 min. of power
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
90-828631R3 MARCH 1999