[Code of Federal Regulations]
[Title 40, Volume 22]
[Revised as of July 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR205.157-3]

[Page 132]
 
                   TITLE 40--PROTECTION OF ENVIRONMENT
 
         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 205--TRANSPORTATION EQUIPMENT NOISE EMISSION CONTROLS--Table of Contents
 
                         Subpart D--Motorcycles
 
Sec. 205.157-3  Configuration identification.

    (a) A separate vehicle configuration shall be determined by each 
combination of the following parameters:
    (1) Exhaust system (engine): (i) Mufflers; (ii) expansion chambers; 
(iii) spark arrestors; and (iv) other exhaust system components.
    (2) Air induction system (engine): (i) Intake muffler; (ii) intake 
ducting; and (iii) air cleaner element.
    (3) Vehicle drive train: (i) Chain; and (ii) shaft.
    (4) Transmission gear ratio: (i) Standard transmission; and (ii) 
automatic transmission.
    (5) Cooling system configuration: (i) Natural air cooled; (ii) 
liquid cooled; and (iii) forced air cooled.
    (6) Category parameters listed in Sec. 205.157-2.
    (b) [Reserved]