Charging And Starting Specifications - Mercury 25 EFI Service Manual

Charging and Starting System

Charging and Starting Specifications

Alternator type
Alternator charge coil resistance
Alternator output at 850 RPM
Alternator output at 5000 RPM
Starter
Type
Output
Brush length
Brush length (service limit)
Commutator undercut
Commutator diameter
Commutator diameter (service limit)
Fuse capacity
Fuse type
Battery requirements (minimum)
Above 0 °C (32 °F)
Below 0 °C (32 °F)
Lubricant, Sealant, Adhesives
Tube Ref No.
SAE Engine Oil 30W
80
2-4-C with PTFE
95
Special Tools
DMT 2004 Digital Multimeter
H z TEMP
m A
A
V H z
mV
IG
OFF IP
TEMP
A m A C O M V H z
Hose Clamp Tool Kit
Page 2B-2
Charging and Starting Specifications
Description
Measures RPM on spark ignition (SI) engines, ohms, amperes, AC and DC
voltages; records maximums and minimums simultaneously, and accurately
reads in high RFI environments.
4516
Aids in the installation of high pressure (Oetiker ®) hose clamps.
5819
© 2016 Mercury Marine
0.29–0.43 ohms
12.5 mm (0.49 in.)
9.5 mm (0.37 in.)
0.5–0.8 mm (0.02–0.03 in.)
30 mm (1.18 in.)
29 mm (1.14 in.)
465 marine cranking amps (MCA) or 350 cold cranking amps (CCA)
1000 marine cranking amps (MCA) or 775 cold cranking amps (CCA)
Where Used
Starter end cap bushing
Armature shaft
Starter armature shaft, and helix
Battery terminal bolts
91‑892647A01
Three phase
5.5 A
15 A
Bendix
0.6 kW at 12 V
20 A
Mini fuse
91‑803146A2
90-8M0105568 eng MARCH 2016
Part No.
Obtain Locally
92-802859A 1