Changing The Oil Filter; Transmission Fluid; Checking While Engine Is Warm - Mercury MerCruiser Horizon 8.2 ECT Manual

Changing the Oil Filter

1. Remove and discard the oil filter.
2. Lubricate the sealing ring on the new filter with engine oil.
3. Install and tighten the oil filter securely following the filter manufacturer's instructions. Do not overtighten.
4. Remove the oil fill cap.
5. Add the required amount of the recommended oil to bring the level up to the top of the operating range on the dipstick.
6. Use the dipstick to determine the amount of engine oil required. Replace the dipstick.
7. With the boat at rest in the water, repeat steps 5 and 6 if necessary.
NOTE: Adding 0.95 L (1 US qt) of engine oil raises the level from the bottom of the operating range to the top of the
operating range.
All Models
Engine oil (with filter)
8. Stop the engine and allow the oil to drain into the oil pan for approximately five minutes with the boat at rest in the water.
9. Start the engine and operate for three minutes, checking for leaks.
10. Use the dipstick to determine if the engine oil is at the top of operating range and add oil if necessary. Do not overfill.

Transmission Fluid

Checking While Engine is Warm

1. Stop the engine.
2. Remove the dipstick from the transmission.
3. If the fluid level is below the add mark on the dipstick, add the specified fluid through the dipstick hole. Do not overfill.
90-8M0061999 MAY 2012
eng
a - Oil fill cap
b - Oil filter
a
b
50388
Capacity
6.5 L (7 US qt) Mercury Full‑Synthetic MerCruiser Engine Oil 20W‑40
Section 5 - Maintenance
Fluid Type
Page 53