[Code of Federal Regulations]
[Title 40, Volume 17]
[Revised as of July 1, 2004]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR86.505-2004]

[Page 651]
 
                   TITLE 40--PROTECTION OF ENVIRONMENT
 
         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 86_CONTROL OF EMISSIONS FROM NEW AND IN-USE HIGHWAY VEHICLES AND 
ENGINES--Table of Contents
 
Subpart F_Emission Regulations for 1978 and Later New Motorcycles; Test 
                               Procedures
 
Sec. 86.505-2004  Introduction; structure of subpart.

    (a) This subpart describes the equipment required and the procedures 
to follow in order to perform exhaust emission tests on motorcycles. 
Subpart E sets forth the testing requirements and test intervals 
necessary to comply with EPA certification procedures. Alternate 
equipment, procedures, and calculation methods may be used if shown to 
yield equivalent or superior results, and if approved in advance by the 
Administrator.
    (b) Three topics are addressed in this subpart. Sections 86.508 
through 86.515 set forth specifications and equipment requirements; 
Sec. Sec. 86.516 through 86.526 discuss calibration methods and 
frequency; test procedures and data requirements are listed (in 
approximate order of performance) in Sec. Sec. 86.527 through 86.544.
    (c) For diesel-fueled motorcycles, use the sampling and analytical 
procedures and the test fuel described in subpart B of this part for 
diesel-fueled light-duty vehicles. PM measurement is not required.

[69 FR 2440, Jan. 15, 2004]