Mercury Mariner V-250 V-275 Outboard Service Shop Manual 1990, Page 39Get this manual
Specifications Starter Motor
STARTER MOTOR AMPERES DRAW Starter Motor No Load AmpDraw 40 Cranking AmpDraw 175
Recommended Battery
A 12 volt marine battery ith mi nimum cold cranking amperage rating of 450 amperes should be used
Specific Gravity Readings
Use hydromete to measure specific gravity of electrolyte in each cell
Part NoA-50-79472
Alternator
15 AMP STATOR (ALTERNATOR COILS) AMPERES OUTPUT Gross AmpOutput at Voltage Regulator Net AmpOutput
at Battery