Status
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Emissions standards in Japan are the joint responsibility of the Ministry of Environment (MOE) and the Ministry of Land, Infrastructure and Transport (MLIT). Euro 5 equivalent standards are in place since 2020 for motorcycles.
Overview
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Type approval
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Emissions standards
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2020 Standards
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Emissions limits
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Evaporative emissions
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Idle CO & HC
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Durability requirements
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Reference fuel
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Test Procedures
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WMTC
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Evaporative emissions test
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Durability testing
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On-board diagnostics (OBD)
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Overview
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J-OBD I
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J-OBD II
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Historical Data - previous testing requirements
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Durability testing
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Historical Data - 2016 standards
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Emissions limits
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Evaporative emissions
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Idle CO & HC
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Durability requirements
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ISO 6460 test cycle
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Historical Data - prior to 2016
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2010 standards
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From 2006
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From 1998
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References
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