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August 20, 2026 Service bulletin

A fuel permeation test revealed that the fuel system does not meet regulatory standards

Honda technical service bulletin Grom125 #3 - August 2026 for 2020-2026 Honda GROM125.

Bulletin number
Grom125 #3 - August 2026
Component
Fuel/propulsion system
Summary
Service Bulletin - A fuel permeation test revealed that the fuel system does not meet regulatory standards. The fuel system has a lower than expected permeation value and is not within emission certification compliance.

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