1 Scope
This Standard specifies the requirements and methods for the test of the emissions of pollutants from the crankcase of two-wheel or three-wheel motorcycles, and the endurance test requirements and methods for the pollutants control equipment under running mode.
This Standard specifies the requirements for the stage III type approval, inspection measurement methods for the conformance of production of two-wheel or three-wheel motorcycles.
This Standard specifies the running mode of the limits and measurement methods for emissions of pollutants from two-wheel or three-wheel motorcycles that, the weight of the whole motorcycle is not larger than 400kg, the discharge capacity of the engine is not more than 50ml, or the maximum design speed is larger than 50km/h and equipped with a spark ignited engine.
2 Normative References
The following Standards contain provisions which, through reference in this text, constitute provisions of this Part of GB 22793. For dated references, subsequent amendments to, or revisions of, any of these publications do not apply. However, parties to agreements based on this Part are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies.
Contents
Foreword II
1 Scope
2 Normative References
3 Terms and Definitions
4 Application and Approval for Type Approval
5 General Requirements and Classifications for Test
6 Type Approval Test and Limits for Emissions
7 Check for Consistency of Production
8 Extension of Type Approval
9 Implementation if This Standard
Appendix A (Normative) Application Documents for Type Approval
Appendix B (Normative) Format of the certificate for type approval
Appendix C (Normative) Inspection on the Average Amount of the Pollutant Emissions
Appendix D (Normative) Durability Test of the Pollution Control Device
Appendix E (Normative) Requirement for Production Consistency
Appendix F (Normative) Technical Requirements for Standard Fuels
