Needle Bearing Vertical Shaft – Fits Yamaha 75-150 HP (Replaces 93315-628U9-00)
Needle Bearing Vertical Shaft – Fits Yamaha 75-150 HP (Replaces 93315-628U9-00) is backordered and will ship as soon as it is back in stock.
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Needle Bearing Vertical Shaft – Fits Yamaha 75-150 HP (Replaces 93315-628U9-00) is backordered and will ship as soon as it is back in stock.
Product Details
This Needle Bearing Vertical Shaft – Fits Yamaha 75-150 HP (Replaces 93315-628U9-00) is designed for installation on the vertical shaft (pinion side) of various Yamaha outboard motors. It fits a wide range of Yamaha 2-Stroke 115-150 HP models from 1984–2005 and 4-Stroke 75-115 HP models from 2000–2020.
It serves as a direct replacement for Yamaha OEM part 93315-628U9-00 and OVERSEE 93315-628U9.
- Installs on the vertical shaft at the pinion gear location.
- Identified by bearing designation B-1820.
- Includes a 1-year warranty against manufacturing defects.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Yamaha | 93315-628U9-00 |
| OVERSEE | 93315-628U9 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
This bearing is verified to fit the following Yamaha outboard models.
| Brand | Model | Rated HP | Stroke | Years | OEM Part No. | Notes |
|---|---|---|---|---|---|---|
| Yamaha | 115B/C/CETO/TXRZ/TLRA | 115 | 2-Stroke | 1984–2005 | 93315-628U9-00 | |
| Yamaha | 130BETO/TLRA/TLRZ | 130 | 2-Stroke | 1988–2004 | 93315-628U9-00 | |
| Yamaha | 150 | 150 | 2-Stroke | 1997–2005 | 93315-628U9-00 | |
| Yamaha | F75 | 75 | 4-Stroke | 2017–2020 | 93315-628U9-00 | |
| Yamaha | F90 | 90 | 4-Stroke | 2016–2020 | 93315-628U9-00 | |
| Yamaha | F115 | 115 | 4-Stroke | 2000–2020 | 93315-628U9-00 |
Technical Specs
- Product Type
- Needle Bearing
- Installation
- Vertical Shaft, Pinion Side
- Housing Material
- Metal
- Housing Color
- Metallochrome
- Dimensions
- 10.5 x 9.0 x 3.0
- Weight
- 0.09 kg (0.2 lbs)
- Warranty
- 1 Year
- Other Technical Attributes
- Bearing ID: B-1820
What’s in the Box
- 1 x Needle Bearing (93315-628U9-00)
Installation Notes
- Disconnect the battery and ensure the engine is off and cool.
- Access the lower unit and drain the gearcase oil completely.
- Following the service manual, remove the propeller and lower unit assembly.
- Disassemble the gearcase to access the vertical driveshaft and pinion gear.
- Carefully remove the old needle bearing from its housing on the pinion side, noting its orientation.
- Thoroughly clean the bearing seat and surrounding area of any debris or old lubricant.
- Press the new needle bearing squarely into place using an appropriate driver, ensuring it is fully seated.
- Reassemble the driveshaft, pinion gear, and all other gearcase components in reverse order.
- Reinstall the lower unit, refill with fresh gear oil to the correct level, and reconnect the battery.
- Test the engine at low RPM in the water to confirm smooth operation before returning to regular use.
Troubleshooting & FAQ
How do I know if this needle bearing is the right part for my engine?
This bearing is specifically designed for the vertical shaft (pinion side) on select Yamaha 2-stroke (115-150 HP, 1984–2005) and 4-stroke (75-115 HP, 2000–2020) models. Always verify the part number 93315-628U9-00 and check our compatibility table against your engine's model and year.
What are the signs of a failing pinion needle bearing?
Common symptoms include a grinding or whining noise from the lower unit, excessive vibration, or metal shavings found in the gearcase oil during a change. A faulty bearing can lead to catastrophic gear failure if not addressed promptly.
Can I replace this bearing myself?
While possible for experienced mechanics, this task requires specialized tools for lower unit disassembly and bearing installation (e.g., a bearing press/puller). We recommend professional installation to ensure correct fitment and prevent damage to the gearcase.
What is the maintenance or replacement interval for this bearing?
There is no fixed replacement interval. The bearing should be inspected for signs of wear, roughness, or damage any time the lower unit is serviced or disassembled. Replace it if any issues are found to ensure drivetrain reliability.
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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