Washer – Fits Yamaha Outboard Motors (Replaces 663-11561-00)
Washer – Fits Yamaha Outboard Motors (Replaces 663-11561-00) is backordered and will ship as soon as it is back in stock.
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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.).
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Delivery and Shipping
Delivery and Shipping
Free standard shipping on all orders under 1 KG
Washer – Fits Yamaha Outboard Motors (Replaces 663-11561-00)
Product Details
This high-quality aftermarket Washer – Fits Yamaha Outboard Motors is a critical shim designed for precise crankshaft positioning. It is engineered for a direct fit on a range of Yamaha engines, including specific E48C/CMH, 55B/BM/BET, E55C/CMH, 55ED, and 55ET models.
This part serves as a direct replacement for Yamaha OEM part number 663-11561-00.
- Engineered for precise crankshaft alignment and spacing.
- Designed as a direct-fit replacement for simplified installation.
- Package includes one washer/shim.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Yamaha | 663-11561-00 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
For Yamaha engines, please verify your specific model and year against the list below to ensure proper fitment.
| Brand | Model | Stroke | OEM Part No. | Notes |
|---|---|---|---|---|
| Yamaha | E48C/CMH | 2-Stroke | 663-11561-00 | |
| Yamaha | 55B/BM/BET | 2-Stroke | 663-11561-00 | |
| Yamaha | E55C/CMH | 2-Stroke | 663-11561-00 | |
| Yamaha | 55ED | 2-Stroke | 663-11561-00 | |
| Yamaha | 55ET | 2-Stroke | 663-11561-00 |
Technical Specs
- Product Type
- Washer/Shim
- Dimensions
- 0.2 cm H x 11.0 cm W x 7.5 cm L
- Weight
- 0.03 kg (0.07 lb)
- Application
- Crankshaft positioning
What’s in the Box
- 1 x Washer/Shim (663-11561-00)
Installation Notes
- Consult your engine’s service manual for detailed instructions and required tools.
- Disconnect the battery and take necessary safety precautions before beginning work.
- Access the crankshaft area according to the manufacturer's disassembly procedure.
- Remove the old washer, carefully noting its position and orientation.
- Clean the component surfaces to remove any debris or residue.
- Install the new washer/shim in the correct position.
- Reassemble all components in the reverse order of disassembly.
- Torque all fasteners to the manufacturer’s specified values to ensure a secure fit.
Troubleshooting & FAQ
How do I know if this washer fits my specific Yamaha engine?
This washer is compatible with Yamaha models E48C/CMH, 55B/BM/BET, E55C/CMH, 55ED, and 55ET. Always verify your engine's model and the required part number against our compatibility table before ordering.
What is the function of this part?
It is a precision shim used to ensure correct crankshaft positioning and alignment within the engine block. Proper spacing is critical for engine longevity and smooth operation.
What are symptoms of a worn or failed crankshaft washer?
ЛЕSymptoms can include excessive engine vibration, unusual noises from the crankshaft area, or incorrect end-play measurements during an engine rebuild. A visual inspection during service may also reveal wear or damage.
When should this washer be replaced?
This washer should typically be replaced during any major engine overhaul, rebuild, or whenever the crankshaft is removed. It is a critical wear item that must be replaced to ensure proper engine tolerances.
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.
Payment & Security
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