Impeller with Key / Pin – Fits Honda BF80A BF90D BF100A BFT80A BFT100A | JLM Marine

Replacement Outboard Rubber Impeller with Key / Pin – Fits Honda BF80A BF90D BF100A BFT80A BFT100A

This aftermarket rubber impeller with key/pin is engineered to fit Honda outboard engines in the BF80A, BF90D, and BF100A series, including BFT models. Designed as a direct replacement, it ensures reliable water flow and cooling performance for your marine engine.

Built to OEM specifications, this impeller is compatible with Honda BF80A (AK1), BFT80AK1, BF90D (DK4, DK5), BFT100AK1, and BF100A (AK1) models. It provides dependable cooling system operation for mid-range Honda outboards.

• Includes rubber impeller with key/pin for complete installation
• Direct fit for Honda 80–100 HP outboard engines
• Ensures proper cooling system function and engine protection

Compatible Engine Models

Confirm your engine model/year in the table below.

Package Contents

• Outboard Rubber Impeller with Key / Pin

Installation Guide

1. Disconnect the battery and ensure the engine is completely cool before beginning work.
2. Remove the lower unit from the outboard motor following your engine's service manual.
3. Locate and remove the water pump housing, taking care to note the orientation of all components.
4. Extract the old impeller from the pump housing, checking for worn or broken vanes.
5. Clean the pump housing thoroughly, removing any debris or old gasket material.
6. Lubricate the new impeller with glycerin or soapy water (never use petroleum-based lubricants).
7. Install the key/pin into the impeller shaft slot, ensuring it is properly seated.
8. Carefully insert the new impeller into the housing, ensuring vanes bend in the correct rotation direction.
9. Reassemble the water pump housing with a new gasket, torquing bolts to manufacturer specifications.
10. Reinstall the lower unit to the engine, checking all fittings and seals.
11. Reconnect the battery and test the cooling system by running the engine in a test tank or on muffs.
12. Check for proper water discharge from the tell-tale outlet to confirm successful installation.

Troubleshooting & FAQ

Q: How do I confirm this impeller fits my Honda outboard?
A: Cross-reference your engine model with the compatibility table above. Verify your model number (e.g., BF80A, BF90D, BF100A) and suffix code (AK1, DK4, DK5) against the listed fits to ensure proper fitment.

Q: How often should I replace my impeller?
A: Most manufacturers recommend replacing the impeller annually or every 200–300 hours of operation, whichever comes first. If you operate in sandy or debris-filled water, inspect and replace more frequently.

Q: What are the signs of a failing impeller?
A: Common symptoms include reduced or no water flow from the tell-tale, engine overheating, weak water pressure, or visible cracks and missing vanes on the impeller itself during inspection.

Q: Does this kit include the key/pin?
A: Yes, this package includes both the rubber impeller and the key/pin needed for proper installation on your Honda outboard.

Q: Is this an OEM Honda impeller or an aftermarket replacement?
A: 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.

Q: How fast do you ship and how much does it cost?
A: 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.

Q: What is your warranty and return policy?
A: 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.