1998+ Mercury Mariner 25HP Bigfoot Service Manual, Page 99Get this manual
CHARGINGSTARTING SYSTEM
Specifications
Alternator Type AMP Manual Alternator: Output Battery Charging Resistance 15 AMP Electric Alternator: Output Battery Charging Coil Resistance Power Bobbin Resistance (For Electrothermal Valve) Quicksilver Tachometer Setting Manual Start Electric Start: Starter Type Output Ampere Draw Under: (Load) (No Load) Battery Rating Minimum Requirement BATTERY For operation below 32 (0 C)