Checking And Adding Sterndrive Oil - Mercury BRAVO Service Manual

MAINTENANCE

Checking and Adding Sterndrive Oil

IMPORTANT: Position sterndrive unit in DOWN/IN position so that anti-ventilation
plate is level.
If more than 2 fl. oz. (59 ml) of oil is required to fill sterndrive unit, an oil leak may
exist. Find and correct cause of leak before unit is placed in operation.
NOTE: Sterndrive unit oil level is checked at gear lube monitor.
IMPORTANT: Oil level in gear lube monitor will rise and fall during sterndrive
operation; always check oil level when sterndrive is cool and engine is shut down.
NOTE: Drive oil will purge from gear lube monitor if rubber seal is not in cap.
1. Fill gear lube monitor to FULL line on decal.
2. Ensure rubber seal is in place on square gear lube monitor cap.
3. Install gear lube monitor cap. Tighten cap 1/4 turn after cap contacts seal.
IMPORTANT: Do NOT overtighten cap.
4. Check oil level in gear lube monitor.
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a - Gear Lube Monitor Decal
a - Gear Lube Monitor
CAUTION
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SERVICE MANUAL NUMBER 28
50323
71990
90-863160 MAY 2000