8H033305 Maintenance Kit for Honda BF75A BF90A | JLM Marine

8H033305 Maintenance Kit for Honda BF75A BF90A

This maintenance kit is designed to fit Honda BF75A and BF90A outboard engines. It bundles the essential service components needed for a routine maintenance interval into a single, convenient package—reducing sourcing time and helping ensure all wear items are replaced together.

The kit provides direct replacements for the original Honda service parts listed below. All components are aftermarket replacements built to OEM specifications and are not OEM-sourced parts.

• Includes oil filter, fuel filter, gaskets, O-rings, and gear oil pump in one kit
• Compatible with Honda BF75A and BF90A outboard engines
• Helps consolidate routine service into a single order

Part Number Cross-Reference

Use this table to confirm equivalent part numbers across OEM and aftermarket references.

Compatible Engine Models

Confirm your engine model/year in the table below.

Technical Specifications

Package Contents

• Oil Filter (OEM Ref: 15400-RBA-F01 | SKU: 23OF810) — ×1
• Fuel Filter (OEM Ref: 16900-SA5-004 | SKU: 23FF050) — ×1
• Gasket (OEM Ref: 94109-12000 | SKU: 3070) — ×1
• Lower Unit Drain Gasket (OEM Ref: 12-191833 | SKU: 2151) — ×3
• O-Ring (OEM Ref: 91301-ZW4-003 | SKU: 5226) — ×3
• Gear Oil Pump (Ref: 24OP149 | SKU: 24OP149) — ×1

Installation Guide

1. Prepare the engine: Place the outboard in a safe, stable position. Disconnect the battery and allow the engine to cool completely before beginning any service work.
2. Drain the engine oil: Remove the drain plug and allow the old oil to drain fully into an appropriate container. Dispose of used oil in accordance with local regulations.
3. Replace the oil filter: Remove the old oil filter (OEM Ref: 15400-RBA-F01). Lightly lubricate the gasket of the new filter with clean engine oil before installing hand-tight.
4. Replace the fuel filter: Relieve any fuel system pressure, then remove the old fuel filter (OEM Ref: 16900-SA5-004). Install the new filter, ensuring the flow direction arrow (if present) points toward the engine.
5. Replace the gasket: Remove the old gasket (OEM Ref: 94109-12000) from its seating surface. Install the new gasket, ensuring the mating surfaces are clean and free of debris.
6. Replace the lower unit drain gaskets: Remove the lower unit drain and fill plugs. Replace all three lower unit drain gaskets (OEM Ref: 12-191833) on the plugs before reinstalling.
7. Replace the O-rings: Locate and remove the old O-rings (OEM Ref: 91301-ZW4-003). Lightly lubricate each new O-ring with clean oil or grease before seating to prevent pinching during assembly.
8. Drain and refill gear oil: With the lower unit drain plugs removed, allow old gear oil to drain. Once drained, reinstall drain plug with new gasket and refill with the manufacturer-specified gear oil through the fill port; install fill plug with new gasket.
9. Install the gear oil pump: Remove the old gear oil pump and install the replacement unit (Ref: 24OP149). Follow the engine service manual torque specifications when securing mounting hardware.
10. Refill engine oil: Reinstall the drain plug, then refill with the correct grade and quantity of engine oil as specified in the Honda service manual for BF75A/BF90A.
11. Start and inspect: Reconnect the battery and start the engine. Check all service points for leaks—oil filter, fuel filter connections, drain plugs, and O-ring seals.
12. Record the service: Log the maintenance date and engine hours in your service record for future reference.

Troubleshooting & FAQ

How do I confirm this kit fits my Honda engine?
This kit is confirmed to fit Honda BF75A and BF90A outboard engines. Cross-reference the individual OEM part numbers listed in the package contents against your engine's existing parts before installation to verify compatibility.

Can I use each component individually, or must the full kit be installed at once?
Each component in the kit is a standalone replacement part. However, since these items represent the core service consumables for a maintenance interval, replacing all of them together is recommended to maintain consistent service intervals and avoid partial wear.

How often should I replace these maintenance parts?
Honda generally recommends servicing BF75A/BF90A outboards every 100 hours or annually, whichever comes first. Refer to your Honda owner's manual for the specific replacement intervals for each component, as oil filters, fuel filters, and gear oil may have different schedules.

What are the signs that these components need replacement?
Common indicators include increased engine oil contamination, reduced fuel flow or rough idle (fuel filter), visible gear oil leaks (drain gaskets and O-rings), and gear oil that appears milky or contaminated (suggesting O-ring or seal failure). Replace components at the first sign of deterioration, even if the service interval has not been reached.

Is this an OEM part or an aftermarket replacement?
This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.

How fast do you ship and how much does it cost?
We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.

What is your warranty and return policy?
This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused & in original condition); please see our policy page or reach out for instructions.

Important Notes

• Verify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.
• This product is an aftermarket replacement part and is not an OEM component.
• Professional installation is recommended to ensure safety and optimal performance.

Why Choose JLM MARINE?

• Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
• Fast Global Shipping: Free delivery worldwide in 5–15 days.
• Direct from Manufacturer: Competitive pricing without compromising quality.