2002/2003 Johnson SN/ST 2 Stroke 3.5, 6 8 HP Outboards Service Manual, PN 5005466, Page 30Get this manual
SPECIAL TOOLS AND SERVICE SPECIFICATIONS
TECHNICAL DATA
4 Amp, Non-Regulated 12 Volt, 360 CCA (465 MCA) with 90 Minutes Reserve Capacity or 50 Ampere-Hour Pulse10 Pole 60 Watts
Alternator (optional)
Battery Minimum Recommendation with Optional Battery Charging Tachometer Setting (Requires Battery Charging) AC Lighting (optional)
Thermostat opens
143F (62C)
Type RPM Limit Spark Plugs Ignition Coil Gear Ratio Lubricant None