Oxygen Sensor – Fits Yamaha 150-250 HP V6 2-Stroke (Replaces 65L-8592A-01-00)
This oxygen sensor is designed for a range of Yamaha 150-250 HP V6 2-Stroke engines from 1997–2014, including the OX66 and HPDI series. It plays a critical role in the engine's emissions control and fuel management system, ensuring optimal performance and efficiency.
It serves as a direct replacement for multiple OEM and aftermarket part numbers, providing a reliable solution for maintenance and repair.
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Primary Function: Used for emissions control and fuel management in OX66 and HPDI engines.
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Installation: Engine-mounted with a wired electrical connector.
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Fuel System: Compatible with Gasoline (2-Stroke) engines.
Part Number Cross-Reference
Use this table to confirm equivalent part numbers across OEM and aftermarket brands.
| Brand |
Part Number |
Superseded By |
| Yamaha |
65L-8592A-00-00 |
65L-8592A-01-00 |
| Yamaha |
65L-8592A-01-00 |
|
| Yamaha |
68F-8592A-00-00 |
|
| Sierra |
18-7656 |
|
| Professional |
592 |
|
Compatible Engine Models
Confirm your engine model/year in the table below. For Yamaha owners, here’s a guide to help you identify your engine’s serial/model: Yamaha Serial Number Guide. You can also review exploded diagrams to verify part numbers: Yamaha Parts Diagrams & Catalog.
| Brand |
Model |
Rated HP |
Stroke |
Years |
OEM Part No. |
Notes |
| Yamaha |
LZ150 |
150 |
2-Stroke |
2000-2005 |
65L-8592A-01-00 |
HPDI engine |
| Yamaha |
VZ150 |
150 |
2-Stroke |
2000-2014 |
65L-8592A-01-00 |
HPDI engine |
| Yamaha |
Z150 |
150 |
2-Stroke |
2000-2005 |
65L-8592A-01-00 |
HPDI engine |
| Yamaha |
VZ175 |
175 |
2-Stroke |
2001-2012 |
65L-8592A-01-00 |
HPDI engine |
| Yamaha |
Z175 |
175 |
2-Stroke |
2001-2005 |
65L-8592A-01-00 |
HPDI engine |
| Yamaha |
LZ200 |
200 |
2-Stroke |
2000-2012 |
65L-8592A-01-00 |
HPDI engine |
| Yamaha |
V200 |
200 |
2-Stroke |
1998-1999 |
65L-8592A-01-00 |
|
| Yamaha |
VX200 |
200 |
2-Stroke |
2000-2005 |
65L-8592A-01-00 |
|
| Yamaha |
VZ200 |
200 |
2-Stroke |
2001-2004 |
65L-8592A-01-00 |
HPDI engine |
| Yamaha |
Z200 |
200 |
2-Stroke |
2000-2012 |
65L-8592A-01-00 |
HPDI engine |
| Yamaha |
L225 |
225 |
2-Stroke |
1997-1999 |
65L-8592A-01-00 |
OX66 engine |
| Yamaha |
LX225 |
225 |
2-Stroke |
2000-2003 |
65L-8592A-01-00 |
OX66 engine |
| Yamaha |
S225 |
225 |
2-Stroke |
1997-1999 |
65L-8592A-01-00 |
OX66 engine |
| Yamaha |
SX225 |
225 |
2-Stroke |
2000-2003 |
65L-8592A-01-00 |
OX66 engine |
| Yamaha |
V225 |
225 |
2-Stroke |
1998-1999 |
65L-8592A-01-00 |
|
| Yamaha |
VX225 |
225 |
2-Stroke |
1998-2005 |
65L-8592A-01-00 |
|
| Yamaha |
L250 |
250 |
2-Stroke |
1997-1999 |
65L-8592A-01-00 |
OX66 engine |
| Yamaha |
LX250 |
250 |
2-Stroke |
2000-2003 |
65L-8592A-01-00 |
OX66 engine |
| Yamaha |
S250 |
250 |
2-Stroke |
1997-1999 |
65L-8592A-01-00 |
OX66 engine |
| Yamaha |
SX250 |
250 |
2-Stroke |
2000-2003 |
65L-8592A-01-00 |
OX66 engine |
| Yamaha |
VX250 |
250 |
2-Stroke |
2002-2004 |
65L-8592A-01-00 |
|
Technical Specifications
| Specification |
Value |
| Product Type |
Oxygen Sensor |
| Installation |
Engine-mounted |
| Fuel Type |
Gasoline (2-Stroke) |
| Connection |
Wired electrical connector |
| Housing Material |
Metal with foam interior |
| Housing Color |
Black |
| Other Technical Attributes |
Used for emissions control and fuel management in OX66 and HPDI engines |
| Warranty |
1 Year (when purchased from Southcentral Outboards) |
Package Contents
- 1 x Oxygen Sensor (65L-8592A-01-00)
Installation Guide
- Ensure the engine is off and cool, and disconnect the battery terminals for safety.
- Locate the existing oxygen sensor on the engine's exhaust manifold.
- Carefully unplug the sensor's electrical harness connector.
- Using a specialized oxygen sensor socket or wrench, unscrew and remove the old sensor from the exhaust.
- If the new sensor is not pre-coated, apply a small amount of anti-seize compound to its threads, avoiding the sensor tip.
- Thread the new sensor into place by hand to avoid cross-threading, then tighten it to the torque specified by the manufacturer.
- Firmly reconnect the electrical harness plug.
- Reconnect the battery terminals.
- Start the engine and let it run for a few minutes, checking for any dashboard warning lights or diagnostic trouble codes.
Troubleshooting & FAQ
How do I confirm this fits my engine?
The most reliable method is to match the part number from your old sensor to the numbers in our Part Number Cross-Reference table. Additionally, check your engine model and year against the Compatible Engine Models list on this page.
What are the signs of a failing oxygen sensor?
Common symptoms include poor fuel economy, rough idling, failed emissions tests, and the "Check Engine" light illuminating. On OX66 and HPDI engines, a faulty sensor can lead to incorrect fuel mixture and reduced performance.
How often should I replace the oxygen sensor?
There is no fixed replacement interval, but sensors can degrade over time due to carbon buildup and heat exposure. Consider inspecting or replacing it if you experience persistent fuel or performance issues, especially on high-hour engines.
OEM vs. Aftermarket?
This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.
How fast do you ship and how much does it cost?
We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.
What is your warranty and return policy?
This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused & in original condition); please see our policy page or reach out for instructions.
Important Notes
- Verify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.
- This product is an aftermarket replacement part and is not an OEM component.
- Professional installation is recommended to ensure safety and optimal performance.
Why Choose JLM MARINE?
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Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
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Fast Global Shipping: Free delivery worldwide in 5–15 days.
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Direct from Manufacturer: Competitive pricing without compromising quality.