Koyo 6208C3 Ball Bearing – Fits Yamaha Outboard 115-200HP (93306-208U0-00)
Koyo 6208C3 Ball Bearing – Fits Yamaha Outboard 115-200HP (93306-208U0-00) is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
Free standard shipping on all orders under 1 KG
Koyo 6208C3 Ball Bearing – Fits Yamaha Outboard 115-200HP (93306-20...
Product Details
This is a high-quality replacement Koyo 6208C3 Ball Bearing, designed for the cylinder crank end of various Yamaha Outboard engines. It is engineered to fit a wide range of 115HP to 200HP models, including both 2-Stroke and 4-Stroke versions, ensuring reliable performance and durability.
This component serves as a direct replacement for Yamaha OEM part number 93306-208U0-00 and is an interchange for the Koyo 6208C3 bearing designation.
- Installation Method: Press-fit
- Primary Application: Cylinder crank end
- Material: High-grade steel for longevity
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number | Notes |
|---|---|---|
| Yamaha | 93306-208U0-00 | OEM Part Number |
| Koyo | 6208C3 | Bearing Designation |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
| Brand | Model | Rated HP | Stroke | OEM Part No. | Notes |
|---|---|---|---|---|---|
| Yamaha | Outboard | 115 | 2-Stroke | 93306-208U0-00 | Cylinder crank end |
| Yamaha | Outboard | 130 | 2-Stroke | 93306-208U0-00 | Cylinder crank end |
| Yamaha | Outboard | 150 | 2-Stroke | 93306-208U0-00 | Cylinder crank end |
| Yamaha | Outboard | 175 | 2-Stroke | 93306-208U0-00 | Cylinder crank end |
| Yamaha | Outboard | 200 | 2-Stroke | 93306-208U0-00 | Cylinder crank end |
| Yamaha | Outboard | 115 | 4-Stroke | 93306-208U0-00 | Cylinder crank end |
| Yamaha | Outboard | 150 | 4-Stroke | 93306-208U0-00 | Cylinder crank end |
| Yamaha | Outboard | 175 | 4-Stroke | 93306-208U0-00 | Cylinder crank end |
| Yamaha | Outboard | 200 | 4-Stroke | 93306-208U0-00 | Cylinder crank end |
Technical Specs
- Product Type
- Ball Bearing
- Installation
- Press-fit
- Bearing Size
- 6208
- Dimensions
- 80mm x 40mm x 18mm (outer diameter x inner diameter x width)
- Bearing Type
- Deep Groove Ball Bearing
- C3 Clearance
- Yes (greater than standard clearance)
- Housing Material
- Steel
- Compatible Lubricant
- Grease
- Manufacturer
- Koyo (OEM supplier for Yamaha)
- Application
- Cylinder crank end
- Other Technical Attributes
- Single row radial ball bearing
What’s in the Box
- 1 x Bearing (93306-208U0-00)
Installation Notes
- Always consult your engine's official service manual before beginning work.
- Carefully remove the old bearing using a certified bearing puller to avoid damaging the housing or crankshaft.
- Thoroughly clean the shaft and housing, ensuring all debris and old lubricant are removed.
- Use a bearing press to install the new bearing. Apply force only to the outer race to prevent damage to the internal components.
- Confirm the bearing is fully and evenly seated in its housing.
- Apply a compatible marine-grade grease as specified by your engine manufacturer.
Troubleshooting & FAQ
How do I know if this bearing fits my specific engine model year?
This bearing is specified for a wide range of 115-200HP Yamaha outboards. The most reliable way to confirm fitment is by matching the OEM part number 93306-208U0-00 found in your engine's service manual or parts diagram.
What is C3 clearance and why is it important?
C3 clearance indicates that the internal clearance of the bearing is greater than standard. This is crucial for engine applications where temperature variations can cause expansion and contraction of metal parts, preventing the bearing from seizing.
What are the signs of a failing crank end bearing?
Common symptoms include a knocking or grinding noise from the engine block, increased vibration, or the presence of metal shavings in the engine oil. If you notice any of these signs, it's critical to inspect the crankshaft bearings immediately.
Is any special tool required for installation?
Yes, a professional bearing puller and a press are required for safe and correct removal and installation. Using improper tools like a hammer can damage the new bearing, crankshaft, or engine block.
What is the recommended replacement interval for this bearing?
There is no fixed interval. The bearing should be inspected during any major engine overhaul or if you notice symptoms of failure. Refer to your engine's service manual for manufacturer-specific guidance.
What is the difference between OEM and this aftermarket 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 do you ship and what are the costs?
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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