Body Gasket – Fits Yamaha 20-90HP Outboards (648-24434-01-00)
Body Gasket – Fits Yamaha 20-90HP Outboards (648-24434-01-00) is backordered and will ship as soon as it is back in stock.
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Worry-free returns
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Delivery and Shipping
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Body Gasket – Fits Yamaha 20-90HP Outboards (648-24434-01-00)
Product Details
This fuel pump Body Gasket – Fits Yamaha 20-90HP Outboards (648-24434-01-00) and is designed for various 2-stroke models from 1984–1996, primarily used in fuel pump assemblies on international market engines. It provides a reliable seal between the fuel pump body components.
Direct interchange references include EMP part number 1399-00117, where this gasket is supplied as part of a complete fuel pump repair kit.
- Installation Location: Seals the mating surfaces between fuel pump body components.
- Fuel Compatibility: Designed specifically for use with gasoline fuel systems.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number | Notes |
|---|---|---|
| Yamaha (OEM) | 648-24434-01-00 | Supersedes part number 648-24434-00-00. |
| EMP | 1399-00117 | This gasket is included in the fuel pump repair kit. |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
Compatibility for Yamaha outboards is detailed below. Please verify your specific model and year to ensure proper fitment.
| Brand | Model | Rated HP | Stroke | Years | OEM Part No. | Notes |
|---|---|---|---|---|---|---|
| Yamaha | 20C (6A9) | 20 | 2-Stroke | 1985–1986, 1996 | 648-24434-01-00 | International model |
| Yamaha | 25D (695) | 25 | 2-Stroke | 1985–1987 | 648-24434-01-00 | International model |
| Yamaha | 30A (689) | 30 | 2-Stroke | 1985 | 648-24434-01-00 | International model |
| Yamaha | 40N/40H/40E (6H4) | 40 | 2-Stroke | 1984–1988 | 648-24434-01-00 | International model |
| Yamaha | 50ETN/50D (6H5) | 50 | 2-Stroke | 1984–1988 | 648-24434-01-00 | International model |
| Yamaha | 60FE/60FET/60FEO/60FETO (6H2) | 60 | 2-Stroke | 1984–1988 | 648-24434-01-00 | International model |
| Yamaha | 70ETN/70B (6H3) | 70 | 2-Stroke | 1984–1988 | 648-24434-01-00 | International model |
| Yamaha | 80A (6H0) | 80 | 2-Stroke | 1984–1988 | 648-24434-01-00 | International model |
| Yamaha | 90A (6H1) | 90 | 2-Stroke | 1984–1988 | 648-24434-01-00 | International model |
Technical Specs
- Product Type
- Fuel Pump Body Gasket
- Installation
- Between fuel pump body components
- Fuel Type
- Gasoline
- Dimensions
- 13.0" L x 9.5" W x 0.2" H
- OEM Part Number
- 648-24434-01-00
- Superseded Part Number
- 648-24434-00-00
What’s in the Box
- 1 x Body Gasket (648-24434-01-00)
Installation Notes
- Disconnect the battery and ensure the engine is off and cool before beginning work.
- Relieve fuel system pressure according to the manufacturer's service manual procedures.
- Carefully disconnect the fuel lines from the pump, noting their original positions for reassembly.
- Remove the fasteners holding the fuel pump assembly to the engine and detach the pump.
- Disassemble the pump body to access and remove the old body gasket.
- Thoroughly clean both mating surfaces of the pump body, ensuring all old gasket material and residue are gone.
- Position the new gasket correctly on the pump body.
- Reassemble the pump and tighten its fasteners to the torque specified in your service manual.
- Reinstall the fuel pump assembly onto the engine and secure it.
- Reconnect the fuel lines and prime the system if required.
- Reconnect the battery, start the engine, and carefully inspect the pump for any signs of fuel leaks.
- For model-specific instructions and torque values, always consult your engine's official service manual.
Troubleshooting & FAQ
How do I know if this gasket will fit my engine?
This gasket is for specific Yamaha 2-stroke outboards from 20-90 HP made between 1984–1988 (and some later international models). To confirm fitment, please match your engine's model number and year against the compatibility table on this page.
What are the signs of a failing fuel pump body gasket?
Common signs of a bad gasket include visible fuel leaks from the fuel pump assembly, a persistent smell of gasoline around the engine, difficulty starting, rough idling, or poor engine performance due to incorrect fuel pressure.
Should I use sealant with this gasket?
This gasket is designed to be installed dry. Applying sealants can interfere with a proper seal and is generally not recommended unless explicitly specified by your engine's service manual.
What is the difference between this aftermarket part and an OEM part?
This listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.
How fast is shipping and what does it cost?
We ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.
What is the warranty and return policy?
Covered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused & in original condition). See our policy page or reach out for instructions.
Safety & Important Info
- Verify images/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.
- This is an aftermarket replacement, not an OEM component.
- Professional installation is recommended for safety and performance.
About Sea Sierra
- Pro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.
- Fast Global Fulfillment — Free standard delivery to most regions in 5–15 days.
- Manufacturer-Direct Value — Fair pricing without compromising on materials or QC.
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