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Bushing – Fits Yamaha/Parsun Outboard Motors (Replaces 90386-12MA2, PAT85-00010001)

Regular price $0.00
Shipping calculated at checkout.

Bushing – Fits Yamaha/Parsun Outboard Motors (Replaces 90386-12MA2, PAT85-00010001) is backordered and will ship as soon as it is back in stock.


Worry-free returns

You may return most new, unopened items within 7 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Delivery and Shipping

Free standard shipping on all orders under 1 KG

If you have any questions, feel free to email us at info@sierramarines.com, and we’ll get back to you within 20–36 hours.

Product Details

This durable bushing is designed for a wide range of Yamaha and Parsun outboard engines, including the F4, F5, F9.9, F13.5, F15, F20, F25, F50, and F60 series. It functions as a critical support mechanism within the engine's transmission and cowling system, ensuring smooth operation by reducing friction and wear.

This component serves as a direct replacement for Yamaha part numbers 90386-12MA2 and 90386-12MA2-00, as well as Parsun equivalents PAT85-00010001, F15-01010302, and F4-01090006.

  • Designed to reduce friction and prevent shaft damage.
  • Installed as an internal component in the bottom cowling or related assemblies.

Part Number Matrix

Use this matrix to confirm equivalent references across OEM and aftermarket.

Brand Part Number
Yamaha 90386-12MA2
Yamaha 90386-12MA2-00
Parsun PAT85-00010001
Parsun F15-01010302
Parsun F4-01090006

Engine & Model Compatibility

Confirm your engine model/year in the table below.

For Parsun models, this bushing is used in the bottom cowling, though the exact position varies by engine series. Please check your service manual diagrams to confirm placement.

Brand Model Rated HP Stroke OEM Part No. Notes
Parsun F4 4 4-Stroke F4-01090006 Bottom cowling component (position 8)
Parsun F5 5 4-Stroke F4-01090006 Bottom cowling component (position 8)
Parsun F9.9 9.9 4-Stroke PAT85-00010001 Bottom cowling component (position 23)
Parsun F13.5 13.5 4-Stroke PAT85-00010001 Bottom cowling component (position 23)
Parsun F15 15 4-Stroke PAT85-00010001, F15-01010302 Bottom cowling component (position 23)
Parsun F20 20 4-Stroke PAT85-00010001 Bottom cowling component (position 4)
Parsun F25 25 4-Stroke PAT85-00010001 Bottom cowling component (position 4)
Parsun F50 50 4-Stroke PAT85-00010001 Bottom cowling component (position 29)
Parsun F60 60 4-Stroke PAT85-00010001 Bottom cowling component (position 29)

Technical Specs

Product Type
Bushing
Installation
Internal component
Dimensions
Height: 1.0 cm, Width: 3.0 cm, Length: 5.0 cm
Weight
0.1 kg (0.22 lb)
Other Technical Attributes
Designed to reduce friction and prevent shaft damage

What’s in the Box

  • 1 x Bushing

Installation Notes

  1. Disconnect the battery and ensure the engine is completely cool before starting.
  2. Remove the engine's outer cowling to access internal components.
  3. Consult your service manual to locate the specific position of the old bushing.
  4. Carefully remove any surrounding parts to access and extract the worn bushing. Note its orientation.
  5. Clean the housing area of any debris or corrosion.
  6. Press the new bushing into place, making sure it is fully and correctly seated.
  7. Reassemble all components in the reverse order of removal.
  8. Reconnect the battery and test the engine's operation in a safe manner.

Troubleshooting & FAQ

How do I confirm this bushing fits my specific engine model?

The most reliable method is to match your existing part number to one of the equivalents listed in our Part Number Matrix. Additionally, check your engine model against the Engine & Model Compatibility table. If you are still unsure, consult your engine's service manual or contact a qualified marine mechanic.

What are the signs of a failing bushing?

Common symptoms of a worn or failed bushing include excessive vibration, rattling or grinding noises from the engine cowling area, and increased resistance or stiffness in related moving parts. A visual inspection may also reveal cracks, deformation, or significant wear.

What is the difference between the various cross-referenced part numbers?

The different part numbers (e.g., Yamaha's 90386-12MA2 vs. Parsun's PAT85-00010001) are OEM-specific identifiers for a functionally identical part. While they may have minor, non-functional cosmetic differences, they are designed to be interchangeable for the models listed.

How often should this bushing be replaced?

There is no fixed replacement interval for this part. It should be inspected during regular service and replaced if any signs of wear, damage, or degradation are apparent. Its lifespan depends on operating conditions, hours of use, and exposure to saltwater.

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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