Oxygen Sensor – Fits Yamaha 150-200HP HPDI Outboards (Replaces 68F-8592A-00-00)
Oxygen Sensor – Fits Yamaha 150-200HP HPDI Outboards (Replaces 68F-8592A-00-00) is backordered and will ship as soon as it is back in stock.
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Oxygen Sensor – Fits Yamaha 150-200HP HPDI Outboards (Replaces 68F-...
Oxygen Sensor – Fits Yamaha 150-200HP HPDI Outboards (Replaces 68F-8592A-00-00) is backordered and will ship as soon as it is back in stock.
Product Details
This high-performance Oxygen Sensor – Fits Yamaha 150-200HP HPDI Outboards (Replaces 68F-8592A-00-00) is designed for select Yamaha 2-Stroke HPDI engines from 150HP to 200HP, manufactured between 2001 and 2014. It is a crucial component for the engine management system, ensuring proper feedback control for optimal fuel efficiency and performance in L-TXR, Z-TXR, and HPDI series outboard models.
It serves as a direct replacement for Yamaha part numbers 68F-8592A-00-00, 65L-8592A-00-00, and 65L-8592A-01-00, and interchanges with Sierra 18-7656 and CDI Electronics 9-32101.
- Installs easily with a threaded housing and gasket.
- Engineered for use with 2-Stroke oil and gasoline fuel mixtures.
- Includes an integrated wire harness and electrical connector for plug-and-play fitment.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket suppliers.
| Brand | Part Number | Superseded By | Notes |
|---|---|---|---|
| Yamaha | 68F-8592A-00-00 | Primary OEM Part Number | |
| Yamaha | 65L-8592A-00-00 | 65L-8592A-01-00 | |
| Yamaha | 65L-8592A-01-00 | Interchangeable | |
| Sierra | 18-7656 | Aftermarket Interchange | |
| CDI Electronics | 9-32101 | Aftermarket Interchange |
Engine & Model Compatibility
Confirm your engine model and year in the table below. This part is designed for specific Yamaha HPDI outboards.
| Brand | Model | Rated HP | Stroke | Years | OEM Part No. | Notes |
|---|---|---|---|---|---|---|
| Yamaha | LZ150TXR | 150 | 2-Stroke | 2001–2014 | 68F-8592A-00-00 | HPDI models |
| Yamaha | Z150TXR | 150 | 2-Stroke | 2001–2014 | 68F-8592A-00-00 | HPDI models |
| Yamaha | LZ175TXR | 175 | 2-Stroke | 2001–2014 | 68F-8592A-00-00 | HPDI models |
| Yamaha | Z175TXR | 175 | 2-Stroke | 2001–2014 | 68F-8592A-00-00 | HPDI models |
| Yamaha | LZ200TXR | 200 | 2-Stroke | 2001–2014 | 68F-8592A-00-00 | HPDI models |
| Yamaha | Z200TXR | 200 | 2-Stroke | 2001–2014 | 68F-8592A-00-00 | HPDI models |
Technical Specs
- Product Type
- Oxygen (O2) Sensor
- Installation
- Threaded with gasket
- Fuel Type
- 2-Stroke oil/gasoline mixture
- Connection
- Electrical connector with wire harness
- Housing Material
- Stainless Steel
- Housing Color
- Silver/Metallic
- Fitting Type
- Threaded
- Other Technical Attributes
- Used for engine management system feedback control
What’s in the Box
- 1 x Oxygen Sensor (68F-8592A-00-00)
Installation Notes
- Ensure the engine is cool and disconnect the battery for safety.
- Locate the old oxygen sensor on the exhaust manifold or pipe. You may need to remove engine covers for access.
- Carefully unplug the electrical harness connector from the old sensor.
- Using an oxygen sensor socket or appropriate wrench, remove the old sensor. If it's difficult to turn, apply penetrating oil and let it sit.
- Compare the new sensor to the old one to confirm an exact match in threading and connector type.
- Apply a small amount of anti-seize compound to the new sensor's threads, avoiding the sensor tip.
- Thread the new sensor in by hand to prevent cross-threading, then tighten to the manufacturer's specified torque. Do not overtighten.
- Securely plug in the new electrical connector.
- Reconnect the battery, start the engine, and check for any exhaust leaks or dashboard warning lights.
Troubleshooting & FAQ
How can I tell if my oxygen sensor is failing?
Common signs of a failing O2 sensor include a noticeable decrease in fuel economy, rough idling, engine hesitation or misfiring, and an illuminated "Check Engine" light. Diagnostic trouble codes related to the O2 sensor or fuel trim are a clear indicator.
What is the difference between this and a genuine Yamaha OEM sensor?
While the OEM part is sourced directly from Yamaha, this aftermarket sensor is manufactured to meet or exceed original equipment specifications. It is designed to offer comparable performance, fit, and function at a more accessible price point.
Do I need a special tool for installation?
An oxygen sensor socket (typically 22mm or 7/8") is highly recommended. This tool has a cutout for the wire pigtail, which prevents damage during removal and installation. While a standard wrench might work, it increases the risk of damaging the sensor or wires.
How often should the oxygen sensor be replaced on a HPDI engine?
There is no mandatory replacement schedule, but O2 sensors on 2-stroke outboards are consumable parts that degrade over time due to heat and carbon buildup. We recommend inspecting it regularly and considering a replacement every 500-800 hours or if you experience persistent performance issues.
Is this part a direct replacement for my engine model?
This sensor is designed for the specific Yamaha HPDI models listed in the Engine & Model Compatibility table. The best way to ensure an exact fit is to match your old part's number to one of the cross-references in the Part Number Matrix. If your model or part number is not listed, do not purchase.
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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