Bearing 93310-727U0 – Fits Yamaha 40HP 2-Stroke Outboard Motors
Bearing 93310-727U0 – Fits Yamaha 40HP 2-Stroke Outboard Motors 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
Delivery and Shipping
Free standard shipping on all orders under 1 KG
Bearing 93310-727U0 – Fits Yamaha 40HP 2-Stroke Outboard Motors
Product Details
This Bearing 93310-727U0 is an aftermarket crankshaft bearing designed for Yamaha 40HP 2-stroke outboard motors, including E40X, 40XMH, E40XMH, 40XW, and E40XW models. It ensures reliable performance as a key internal engine component.
This part serves as a direct interchange for Yamaha part numbers 93310-727U0, 93310-727U0-00, and 93310-727V7.
- Durable steel construction for longevity.
- Engineered for internal crankshaft placement.
- Designed for gasoline-fueled marine environments.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Yamaha | 93310-727U0 |
| Yamaha | 93310-727U0-00 |
| Yamaha | 93310-727V7 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
| Brand | Model | Rated HP | Stroke | OEM Part No. |
|---|---|---|---|---|
| Yamaha | E40X | 40 | 2-Stroke | 93310-727U0 |
| Yamaha | 40XMH | 40 | 2-Stroke | 93310-727U0 |
| Yamaha | E40XMH | 40 | 2-Stroke | 93310-727U0 |
| Yamaha | 40XW | 40 | 2-Stroke | 93310-727U0 |
| Yamaha | E40XW | 40 | 2-Stroke | 93310-727U0 |
Technical Specs
- Product Type
- Crankshaft Bearing
- Installation
- Internal Engine Component
- Fuel Type
- Gasoline
- Housing Material
- Steel
- Dimensions
- 8.0" L x 9.0" W x 2.0" H
- Diagram Location
- Located at position #13 in the engine block exploded view diagram
What’s in the Box
- 1 x Bearing (93310-727U0)
Installation Notes
- Drain all engine fluids (oil and coolant) completely before starting.
- Disassemble the engine block according to the manufacturer's service manual to access the crankshaft assembly.
- Carefully remove the old bearing, noting its orientation and condition.
- Thoroughly clean the crankshaft journal and housing, ensuring no debris or old lubricant remains.
- Press the new bearing into place using the appropriate bearing driver tool to ensure it is seated correctly and without damage.
- Reassemble the engine components, torquing all fasteners to the manufacturer's specified values. Professional installation is strongly recommended for this critical part.
Troubleshooting & FAQ
How do I confirm this bearing fits my engine?
This bearing is confirmed to fit Yamaha 40HP 2-Stroke models E40X, 40XMH, E40XMH, 40XW, and 40XW. The best way to guarantee fitment is to cross-reference the part number from your engine's service manual with the numbers in our Part Number Matrix.
What are the signs of a bad crankshaft bearing?
Common symptoms of a failing crankshaft bearing include a deep knocking or rumbling sound from the engine, increased vibrations, loss of oil pressure, or the presence of significant metallic particles in the engine oil during a change.
When should I replace this bearing?
Crankshaft bearings are not a routine maintenance item. They are typically replaced only during a complete engine overhaul or when clear signs of failure are diagnosed. Their lifespan depends heavily on proper lubrication, engine hours, and operating conditions.
Why is professional installation recommended?
This is an internal engine component that requires a complete engine teardown to access. Improper installation, incorrect pressing, or contamination can lead to catastrophic engine failure. A professional technician will have the specialized tools and experience required.
OEM vs. Aftermarket?
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.
Shipping speed & cost?
We ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.
Warranty & returns?
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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