06211-ZV7-505 Maintenance Kit for Honda BF25D BF30D | JLM Marine

Maintenance Kit for Honda BF25D BF30D – OEM Reference 06211-ZV7-505

This aftermarket maintenance kit is designed to fit Honda outboard engines in the BF25D and BF30D series. It consolidates all essential service components into a single kit, covering cooling system, lubrication, fuel delivery, and drivetrain maintenance needs for a complete scheduled service interval.

The kit references OEM part number 06211-ZV7-505 and includes direct-fit replacements for all listed Honda components. Parts are built to OEM dimensional specifications and are produced in an ISO9002-certified facility.

• Covers water pump impeller, thermostat, oil filter, fuel filter, gear oil pump, and all associated seals and gaskets in one kit.
• Compatible with Honda BF25D and BF30D outboard engines.
• Aftermarket replacement — not OEM; built to OEM specifications using comparable-grade materials.

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

The following items are included in this maintenance kit. Verify all items are present before beginning installation.

• Gasket (19233-ZV5-000) × 1
• Key (90752-ZV7-000) × 1
• O-ring (91356-ZV5-000) × 1
• Impeller (19210-ZV7-003) × 1 [Water Pump Impeller — critical cooling component]
• Thermostat (19300-ZV5-043) × 1
• Oil Filter (15400-PFB-014) × 1
• Fuel Filter (16910-ZV4-015) × 1
• Drain Gasket (12-191833) × 3
• O-ring (91301-ZW4-003) × 3
• Cotter Pin (90758-ZV1-000) × 1
• Gear Oil Pump (24OP149) × 1

Installation Guide

Review the full service manual for your Honda BF25D or BF30D before starting. Ensure the engine is off, cooled down, and disconnected from any fuel source before proceeding.

1. Prepare the workspace. Secure the outboard in a service stand and gather all tools. Verify all package contents are present before beginning.
2. Drain engine oil. Remove the drain plug and drain the oil fully. Replace the drain plug using the new Drain Gaskets (12-191833) included in the kit.
3. Install the new oil filter. Remove the old oil filter and install the new Oil Filter (15400-PFB-014). Apply a light film of fresh oil to the gasket before threading it on.
4. Replace the fuel filter. Relieve any fuel system pressure, then remove the old Fuel Filter (16910-ZV4-015) and install the new one. Check for any fuel line cracking before reconnecting.
5. Access the water pump housing. Remove the lower unit per your service manual procedure to expose the water pump assembly.
6. Replace the impeller. Remove the old impeller and install the new Impeller (19210-ZV7-003). Fit the new Key (90752-ZV7-000) and ensure the impeller seats correctly in the housing.
7. Replace the water pump gasket and O-rings. Install the new Gasket (19233-ZV5-000) and O-ring (91356-ZV5-000) to ensure a proper water-tight seal.
8. Replace the thermostat. Access the thermostat housing, remove the old thermostat, and install the new Thermostat (19300-ZV5-043). Ensure the housing O-rings seat fully.
9. Install the gear oil pump. Remove the old gear oil pump and fit the new Gear Oil Pump (24OP149). Ensure all seating surfaces are clean and the O-rings (91301-ZW4-003) are properly installed.
10. Secure with cotter pin. Where applicable, install the new Cotter Pin (90758-ZV1-000) and bend the ends to lock it in place. Never reuse old cotter pins.
11. Reassemble the lower unit. Reinstall the lower unit per the service manual. Refill with the appropriate grade gear oil and engine oil to the specified levels.
12. Test run the engine. Start the engine in a water supply or test tank and confirm proper water pump flow (tell-tale stream), no leaks, and normal operating temperature before returning to service.

Troubleshooting & FAQ

How do I confirm this kit fits my Honda outboard?
This kit is designed for Honda BF25D and BF30D engines. Check the model designation on your engine's label and cross-reference the OEM part number 06211-ZV7-505 with your service documentation to confirm compatibility.

How often should I replace the water pump impeller on my BF25D or BF30D?
Honda generally recommends replacing the water pump impeller every 3 years or 300 hours of operation, whichever comes first. In high-usage or saltwater environments, more frequent replacement is advisable.

How often should the oil and fuel filters be replaced?
The oil filter should typically be replaced at each annual service or every 100 hours. The fuel filter replacement interval is generally every 2 years or 200 hours, but inspect it more frequently if you operate in areas with lower fuel quality.

What are common signs that the impeller or thermostat needs replacing?
For the impeller: reduced or absent water flow from the tell-tale outlet, overheating warnings, or visible wear/cracking on the impeller blades. For the thermostat: the engine consistently runs too hot or too cold, or temperature gauge fluctuations are noted during normal operation.

Can I install this kit myself, or do I need a technician?
Experienced DIY mechanics familiar with outboard lower unit service can typically complete this installation. However, professional installation is recommended to ensure correct torque specs, proper seal seating, and safe operation.

Are the O-rings and gaskets in the kit compatible with marine fuel and oil?
Yes. All seals, O-rings, and gaskets in this kit are selected for compatibility with standard marine fuels and lubricants as specified for Honda BF25D and BF30D engines.

Is this an OEM part or an aftermarket part?
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.