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  • 2025 Honda Grom EURO 5+ Tuning

2025 Honda Grom EURO 5+ Tuning

06 Jul, 2026 949
2025 Honda Grom EURO 5+ Tuning

The new Honda Grom Euro 5b (5+) model introduces a second O2 sensor as part of the updated emissions system - Creating new challenges with aftermarket tuning. In this video, we revisit Frank at Dynojet UK, to put the 2025 Grom on the dyno and find a solution to tuning without getting a check engine light!

Previous Harley-Davidson 135ci Gen 2 Tuning with Power Vision 3
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