Mercury Idle Air Control Valve Recall: Essential Information for Owners

The Mercury Idle Air Control Valve recall affects specific models of Mercury outboard engines, particularly those manufactured in 2021. This recall is crucial for boat owners as it addresses potential safety hazards related to engine performance.
Overview of the Recall
The recall involves Mercury Outboard FourStroke engines with horsepower ratings of 75, 90, 100, 115, 135, and 150. These engines may have been fitted with an Idle Air Control Valve (IAC) that does not meet specifications. An out-of-specification IAC can prevent the engine from returning to a slow idle speed after operating at higher speeds. This malfunction could lead to dangerously high engine speeds, complicating the ability to shift gears and increasing the risk of accidents.
Affected Models
The following models are included in the recall:
- FourStroke 75hp
- FourStroke 90hp
- FourStroke 100hp
- FourStroke 115hp
- FourStroke 135hp
- FourStroke 150hp
- 75 - 115hp: 3B034165 to 3B084339
- 135 - 150hp: 3B021624 to 3B067243
Owners of these engines should check their serial numbers against this range to determine if their unit is affected.
Safety Hazards
The primary concern with an out-of-specification IAC is that it may cause the engine to maintain a higher than normal idle speed. This situation can lead to:
- Difficulty in shifting out of gear
- Increased risk of loss of control over the boat
- Potential for accidents and injuries
What to Do Next
If your engine is affected by this recall, follow these steps:
- Stop using your boat until the issue is resolved.
- Contact an authorized Mercury Marine dealer to schedule a service appointment. It is advisable to mention Mercury Service Outboard Bulletin 2021-04R1 when contacting them.
- For assistance in locating a dealer or for further inquiries, reach out to Mercury Marine Customer Service at 03 9791 5822 (Monday to Friday, 8:30 AM - 4:30 PM AEST) or via email.
Conclusion
The Mercury Idle Air Control Valve recall is a critical safety issue for owners of specific outboard engines. It is essential to verify if your engine is affected and take immediate action by contacting a dealer for repairs. Staying informed and proactive can help ensure your safety on the water.
FAQs About Mercury Idle Air Control Valve Recall
- How do I know if my engine is affected?
Check if your engine's serial number falls within the specified ranges for the affected models. - What happens if I continue using my boat?
Continuing to use an affected engine may result in loss of control and increased risk of accidents. - How can I get my IAC valve repaired?
Contact an authorized Mercury Marine dealer to schedule a service appointment for repairs.
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