1997+ Mercury 35/40HP 2 Cylinder Outboards Service Manual PN 90-826148R2, Page 78Get this manual
Specifications STARTING SYSTEM Manual Start Electric Start Starter Draw (Under Load) (No Load) Alternator Output Electric Start Manual Start Recoil 12 Volt 95 Amperes 20 Amperes Single Phase (12 Pole) 14 Amperes 5000 RPM Amperes 3000 RPM
CHARGING SYSTEM
Special Tools
1VoltOhmDVA Meter 91-99750
Recommended Battery
A 12 volt battery with "Cold Cranking Amperage" rating minimum of 465 amperes