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Mercury 90 User Manual

Mercury 90
62 pages
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MAINTENANCE
50
2. Remove fill cap and check fluid level. The fluid level should be even with the bottom of the fill hole. Add
Quicksilver or Mercury Precision Lubricants Power Trim & Steering Fluid. If not available, use automotive
(ATF) automatic transmission fluid.
ob00688
Changing Engine Oil
ENGINE OIL CAPACITY
Engine oil capacity is approximately 5 liters (5 quarts).
OIL CHANGING PROCEDURE
1. Tilt the outboard up to the trailer position.
2. Turn the steering on the outboard so that the drain hole is facing downward. Remove drain plug and drain
engine oil into an appropriate container. Lubricate the seal on the drain plug with oil and reinstall.
ob00436
CHANGING OIL FILTER
1. Place a rag or towel below the oil filter to absorb any spilled oil.
2. Unscrew old filter by turning the filter to the left.
3. Clean the mounting base. Apply film of clean oil to filter gasket. Do not use grease. Screw new filter on until
gasket contacts base, then tighten 3/4 to 1 turn.

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Mercury 90 Specifications

General IconGeneral
BrandMercury
Model90
CategoryOutboard Motor
LanguageEnglish

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