Engine Timing Belt – Fits Yamaha F150 Outboard Motors (Replaces 63P-46241-00-00)
Engine Timing Belt – Fits Yamaha F150 Outboard Motors (Replaces 63P-46241-00-00) is backordered and will ship as soon as it is back in stock.
Couldn't load pickup availability
Worry-free returns
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
Delivery and Shipping
Free standard shipping on all orders under 1 KG
Product Details
This is a high-quality replacement Engine Timing Belt – Fits Yamaha F150 Outboard Motors, specifically designed for genuine OEM fitment on Yamaha F150 4-Stroke models from 2004 to the present. Engineered for reliability, it features a fiberglass tension member for excellent flex and elongation behavior, ensuring your engine's timing stays precise.
It serves as a direct replacement for Yamaha part number 63P-46241-00-00 and Sierra aftermarket number 18-15140.
- Internal engine component designed for professional installation.
- Resistant to chemicals, contaminants, and high temperatures.
- Provides positive, slip-proof engagement for consistent performance.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number | Notes |
|---|---|---|
| Yamaha | 63P-46241-00-00 | OEM Reference |
| Sierra | 18-15140 | Aftermarket Interchange |
| Aftermarket | 6AW-46241-00-00 | Unconfirmed Interchange |
| Aftermarket | 6AW-W4624-00-00 | Unconfirmed Interchange |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
This timing belt is a direct replacement for Yamaha F150 series outboards from 2004 to the present.
| Brand | Model | Rated HP | Stroke | Years | OEM Part No. | Notes |
|---|---|---|---|---|---|---|
| Yamaha | F150 / LF150 | 150 | 4-Stroke | 2004–2014 | 63P-46241-00-00 | |
| Yamaha | F150B / LF150B | 150 | 4-Stroke | 2015–Present | 63P-46241-00-00 | |
| Yamaha | F150A | 150 | 4-Stroke | 2009–Present | 63P-46241-00-00 | |
| Yamaha | F150D | 150 | 4-Stroke | 2004–Present | 63P-46241-00-00 | Listed in aftermarket compatibility |
Technical Specs
- Product Type
- Engine Timing Belt
- Installation
- Internal engine component
- Housing Material
- Rubber with fiberglass tension member
- Housing Color
- Black
- Dimensions
- 3.5" H x 8.0" W x 29.0" L
- Weight
- 5.3 oz (150g)
- Warranty
- Manufacturer warranty when purchased from authorized dealer
- Other Technical Attributes
- Chemical and contaminant resistant, positive slip-proof engagement, fiberglass tension member for excellent flex and elongation behavior
What’s in the Box
- 1 x V-Belt (Replaces 63P-46241-00-00)
Installation Notes
- Disconnect the vessel's battery terminals.
- Remove the engine cowling, flywheel cover, and any other necessary components to access the timing belt.
- Carefully align the timing marks on the crankshaft and camshaft pulleys according to your service manual.
- Loosen the belt tensioner pulley and carefully remove the old timing belt.
- Install the new belt, ensuring it routes correctly and that the timing marks on all pulleys remain perfectly aligned.
- Apply tension to the new belt as specified by the manufacturer's service manual. Do not over-tighten.
- Manually rotate the engine crankshaft through two full revolutions, re-checking that all timing marks align correctly.
- Reinstall all covers, components, and reconnect the battery.
Troubleshooting & FAQ
When should I replace my Yamaha F150 timing belt?
Yamaha recommends replacing the timing belt every 1,000 hours of operation or every 5 years, whichever occurs first. Please consult your owner's service manual for the exact maintenance interval specific to your engine model.
What are the signs of a failing timing belt?
Common symptoms include ticking or rattling noises from the engine, difficulty starting, rough idling, or a noticeable loss of engine power. Any visible signs of wear, such as cracks, fraying, or glazing on the belt, indicate an immediate need for replacement.
Can I install this timing belt myself?
While installation is possible for experienced mechanics with the proper tools, we strongly recommend professional installation. Incorrect timing can lead to improper engine performance or catastrophic engine damage.
Is this a genuine Yamaha OEM part?
This listing is an aftermarket replacement part, not an OEM component. It has been built to meet or exceed OEM-level specifications with comparable materials. Our parts are manufactured in an ISO 9002 certified facility and are batch-inspected to ensure quality and consistency.
How fast do you ship?
We ship worldwide quickly—typical transit time is between 5–15 days for most regions. Standard shipping is free for most orders, and expedited options are available at checkout where applicable.
What is the warranty and return policy?
This product is covered by a 1-year warranty against manufacturing defects under normal use. If you encounter any issues, please contact our support team with your order details. Returns are accepted within our standard window for items that are unused and in their original condition. See our full 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 quality control.
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
