Description
Keep your Honda outboard running at peak performance with the Honda Outboard Oil Change Kit for BF8, BF9.9, BF15, BF20, BF25, and BF30 models. This genuine kit includes everything you need for a proper oil change, ensuring clean lubrication, smoother operation, and longer engine life. Designed to Honda’s factory standards, the kit provides a perfect fit and dependable protection against engine wear. Regular oil changes with genuine Honda parts help maintain fuel efficiency, reliable starts, and maximum durability for your outboard.
What’s Included
Every kit contains genuine Honda OEM parts; the same components used at authorized Honda Marine service centers. No aftermarket substitutes, no guesswork.
|
Component |
Part Number |
Qty |
Notes |
|
Honda 10W-30 Engine Oil |
— |
2 qt |
Honda-spec 4-stroke outboard oil |
|
Honda 80W-90 Hypoid Gear Oil |
— |
1 qt |
Lower unit gear lube |
|
OEM Oil Filter |
15400-ZZ3-003 |
1 |
Direct OEM replacement |
|
Drain Plug Washer |
90601-ZE2-000 |
1 |
Copper sealing washer |
|
Lower Unit Bolt Gasket |
91301-ZW4-003 |
2 |
Prevent gear lube leaks |
Compatible Honda BF Models
|
Model |
HP |
Engine Type |
Years Covered |
|
BF8 |
8 HP |
4-stroke SOHC |
2002 – Current |
|
BF9.9 |
9.9 HP |
4-stroke SOHC |
2002 – Current |
|
BF15 |
15 HP |
4-stroke SOHC |
2002 – Current |
|
BF20 |
20 HP |
4-stroke SOHC |
2002 – Current |
|
BF25 |
25 HP |
4-stroke SOHC |
2002 – Current |
|
BF30 |
30 HP |
4-stroke SOHC |
2002 – Current |
How to Change Oil on a Honda BF Outboard
1. Warm up the engine for 5 minutes; warm oil drains faster and carries more contaminants.
2. Tilt the motor to vertical and place a drain pan under the lower unit.
3. Remove the engine oil drain plug using a 17 mm socket and allow oil to drain completely.
4. Remove the old oil filter using a filter wrench. Lightly oil the new filter gasket before installing.
5. Reinstall the drain plug with the new copper washer included in the kit. Torque to 18 ft-lbs.
6. Add 2 quarts of Honda 10W-30 through the fill port. Check level with dipstick.
7. Remove the lower unit fill and drain plugs. Drain old gear oil completely.
8. Insert the gear oil tube in the lower drain port and fill upward until oil flows from the upper port.
9. Reinstall upper plug first, then lower plug, using the new gaskets from the kit.
10. Start the engine and check for leaks. Log the service date and hours for your next interval.






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