Aftermarket Fuel Pump Assembly for Honda BF25–BF90 4-Stroke Outboards – Replaces 16700-ZW1-004; Select Models Use 16700-ZV5-003
Aftermarket Fuel Pump Assembly for Honda BF25–BF90 4-Stroke Outboards – Replaces 16700-ZW1-004; Select Models Use 16700-ZV5-003 is backordered and will ship as soon as it is back in stock.
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Aftermarket Fuel Pump Assembly for Honda BF25–BF90 4-Stroke Outboar...
Aftermarket Fuel Pump Assembly for Honda BF25–BF90 4-Stroke Outboards – Replaces 16700-ZW1-004; Select Models Use 16700-ZV5-003 is backordered and will ship as soon as it is back in stock.
Product Details
This aftermarket fuel pump assembly is designed for selected Honda BF-series 4-stroke outboard engines from 25 HP through 90 HP. It is intended to restore dependable fuel delivery when the original mechanical fuel pump is worn, damaged, or no longer supplying fuel properly.
The primary documented replacement reference is Honda OEM part number 16700-ZW1-004. Catalog references also associate 16700-ZV5-003 with selected BF30, BF50, BF75, and BF90 applications. Because Honda fitment can vary by model suffix and production range, confirm the part number and complete engine designation before ordering.
- Aftermarket replacement fuel pump assembly for Honda BF-series 4-stroke outboards.
- Designed as a direct replacement where the listed OEM reference and engine application match.
- Mechanical fuel-pump assembly for gasoline marine engines.
- Verify the original pump, model suffix, and engine identification before installation.
Part Number Matrix
Use the following references to compare your original fuel pump. These numbers should not be treated as universal fitment across every Honda model or suffix.
| Brand | Manufacturer Part Number | Application Note |
|---|---|---|
| Honda | 16700-ZW1-004 | Primary replacement reference documented for selected BF25 through BF90 4-stroke applications. |
| Honda | 16700-ZV5-003 | Associated with selected BF30, BF50, BF75, and BF90 applications; confirm the exact model and original part number. |
Engine & Model Compatibility
The compatibility information below combines the documented Honda catalog application for 16700-ZW1-004 with the selected-model reference listing for 16700-ZV5-003. Model suffixes, year ranges, and serial-number breaks may affect fitment.
| Brand | Engine Family | Rated HP | Stroke | Applicable Reference | Fitment Guidance |
|---|---|---|---|---|---|
| Honda | BF25 | 25 | 4-Stroke | 16700-ZW1-004 | Confirm the complete model suffix and original pump number. |
| Honda | BF30 | 30 | 4-Stroke | 16700-ZW1-004; selected listings also show 16700-ZV5-003 | Verify the exact model variant before ordering. |
| Honda | BF35 | 35 | 4-Stroke | 16700-ZW1-004 | Confirm the complete model suffix and original pump number. |
| Honda | BF40 | 40 | 4-Stroke | 16700-ZW1-004 | Some BF40 variants may use different pump references. |
| Honda | BF45 | 45 | 4-Stroke | 16700-ZW1-004 | Confirm the complete model suffix and original pump number. |
| Honda | BF50 | 50 | 4-Stroke | 16700-ZW1-004; selected listings also show 16700-ZV5-003 | Verify the exact model variant before ordering. |
| Honda | BF75 | 75 | 4-Stroke | 16700-ZV5-003 | Confirm the complete model suffix and original pump number. |
| Honda | BF90 | 90 | 4-Stroke | 16700-ZW1-004; selected listings also show 16700-ZV5-003 | Verify the exact model variant before ordering. |
Important: The engine family and horsepower alone do not establish fitment. Check the complete model designation, production or serial range where applicable, and the number stamped on the original fuel pump.
Technical Specifications
- Product Type
- Outboard mechanical fuel pump assembly
- Application
- Selected Honda BF-series 4-stroke outboard engines
- Rated Engine Range
- 25 HP to 90 HP, subject to model and part-number verification
- Fuel Type
- Gasoline
- Installation
- Direct replacement where the original part number and mounting arrangement match
- Connection
- Fuel-line connections with barbed fittings; confirm hose routing and fitting arrangement before installation
- Manufacturer References
- 16700-ZW1-004; selected applications also reference 16700-ZV5-003
- Construction
- Aftermarket replacement assembly
What's in the Box
- 1 x Aftermarket fuel pump assembly
Gaskets, hoses, clamps, and other installation hardware are not included unless specifically shown or stated in the order details.
Installation Notes
- Review the engine service information and confirm that the replacement pump matches the original pump before beginning work.
- Work in a well-ventilated area away from flames, sparks, and other ignition sources. Allow the engine to cool.
- Disconnect the battery as directed by the engine service procedure and relieve fuel-system pressure safely.
- Place an absorbent cloth beneath the fuel connections to collect residual fuel.
- Mark the fuel-line orientation, then disconnect the lines and remove the original pump.
- Install the replacement pump in the same orientation and secure it with the correct fasteners.
- Reconnect the fuel lines and clamps. Make sure each connection is fully seated and routed without kinks.
- Prime the fuel system according to the engine manual, inspect carefully for leaks, and confirm normal operation before returning the boat to service.
Troubleshooting & FAQ
How do I confirm that this fuel pump fits my Honda outboard?
Compare the number on your original pump with 16700-ZW1-004 or, for selected applications, 16700-ZV5-003. Then verify the complete BF model designation, horsepower, suffix, and applicable serial or production range. Do not rely on horsepower alone.
Which Honda part number is the main reference for this listing?
16700-ZW1-004 is the primary documented replacement reference for the BF25, BF30, BF35, BF40, BF45, BF50, and BF90 engine families listed above. 16700-ZV5-003 is associated with selected BF30, BF50, BF75, and BF90 applications, so the original pump number and exact model variant must be checked.
What are common symptoms of a failing mechanical fuel pump?
Possible symptoms include hard starting, fuel starvation at higher throttle, loss of power, stalling, rough running, or inconsistent engine operation. These symptoms can also be caused by blocked filters, damaged fuel lines, carburetor issues, or other fuel-system problems.
Is this an OEM Honda component?
No. This listing is for an aftermarket replacement fuel pump assembly. Honda is referenced only for engine and manufacturer part-number identification.
Can I install this pump without checking the original part?
No. Pump appearance, fittings, mounting, and model-suffix compatibility can vary. Compare the original pump and verify the complete engine identification before installation.
Safety & Important Information
- Gasoline is flammable. Perform fuel-system work only in a properly ventilated area and follow all applicable safety procedures.
- Verify the original part number, engine model, model suffix, and applicable serial or production range before purchase.
- Do not install the pump if the fittings, mounting holes, orientation, or fuel-line connections differ from the original.
- Professional installation is recommended when you are not familiar with marine fuel systems.
- Inspect all fuel connections for leaks before starting the engine and again after the engine reaches operating temperature.
About Sea Sierra
- Marine Replacement Parts — We provide aftermarket components for marine repair and maintenance applications.
- Application-Focused Listings — Product references and compatibility information are presented to help you compare the replacement with your original part.
- Support for Fitment Questions — When model suffix or serial details are unclear, provide the complete engine identification and original part number before ordering.
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