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Mercury 300R HD CMS Mechanical User Manual

Mercury 300R HD CMS Mechanical
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Remove the power steering cover and fill cap to check the fluid level. The fluid
level should be slightly below the bottom of the fill hole. Use Synthetic Power
Steering Fluid SAE 0W‑30, if needed.
a - Power steering cover
b - Fill cap
c - Fill/full level
Tube Ref
No.
Description Where Used Part No.
138
Synthetic Power
Steering Fluid SAE
0W-30
Power steering system 92-858077K01
Changing Engine Oil and Filter
ENGINE OIL CAPACITY
Engine oil capacity is approximately 6.6 Liter (7.0 US qt).
IMPORTANT: Tilt the outboard out/up past vertical for approximately one
minute to allow any trapped oil to drain back to the oil sump.
OIL CHANGE ON LAND PROCEDURE
1. Tilt the outboard out/up past vertical for approximately one minute to allow
any trapped oil to drain back to the oil sump.
2. Tilt the outboard to a vertical position.
3. Use a 16 mm (5/8 in.) wrench and loosen the oil drain valve so that it can
be turned by hand. Be careful not to open the valve too far allowing oil to
drain.
4. Attach a 12 mm (7/16 in.) inside diameter drain hose to the oil drain valve.
Position the opposite end of the hose into an appropriate container. The
container should be large enough to hold more than 9.8 Liter (10 US qt).
5. Loosen the oil drain valve 2‑1/2 turns to allow oil to drain. Do not exceed
2‑1/2 turns.
29315
MAINTENANCE
eng 71

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Mercury 300R HD CMS Mechanical Specifications

General IconGeneral
BrandMercury
Model300R HD CMS Mechanical
CategoryOutboard Motor
LanguageEnglish

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