Ignition Specifications - Mercury 25 EFI Service Manual

Ignition

Ignition Specifications

Ignition type
Spark plug
Spark plug gap
Firing order
Ignition timing at idle
Ignition timing at WOT
RPM overspeed
ECM RPM limiter (Guardian)
Over temperature
Low oil pressure (over 5 seconds)
Crankshaft position sensor
Ignition coil
Primary
Secondary
Spark plug lead (between spark plug cap and black lead)
Lubricant, Sealant, Adhesives
Tube Ref No.
Dielectric Grease
6
Loctite 567 PST Pipe
9
Sealant
Liquid Neoprene
25
Special Tools
CDS G3 Diagnostic Tool Kit
Adapter Harness
Adapter Harness
Page 2A-2
Ignition Specifications at 20 °C (68 °F)
Description
Interfaces CDS G3 software to SmartCraft network.
NOTE: This kit includes download instructions and a license key.
60575
Data link harness between the engine ECM and the Computer Diagnostic
System (CDS).
22175
Data link harness between the engine ECM and the Computer Diagnostic
System (CDS).
13422
© 2016 Mercury Marine
Computer controlled CDI (capacitor discharge ignition)
0.8–0.9 mm (0.031–0.035 in.)
Where Used
Oil pressure switch wire connection
ETC threads
Oil pressure switch threads
All ring terminal connections
8M0114141
84‑899150T01
84‑822560A7
NGK DCPR6E
1, 3, 2
5° ± 5° BTDC
38° BTDC
6300 RPM
2800 RPM
90 °C (194 °F)
24.5 kPa (3.5 psi)
148–222 ohms
0.17–0.23 ohms
3.3–4.9 k ohms
7.1–11.1 k ohms
Part No.
92-823506 1
92-809822
92- 25711 3
90-8M0105568 eng MARCH 2016