40 C.F.R. § 205.155

Current through October 31, 2024

Section 205.155 - Motorcycle class and manufacturer abbreviation

(a) Motorcycles must be grouped into classes determined by separate combinations of the following parameters:

(1) Engine type:

(i) Gasoline-two stroke.

(ii) Gasoline-four stroke.

(iii) Gasoline-rotary.

(iv) Other.

(2) Engine displacement.

(3) Engine configuration:

(i) Number of cylinders.

(ii) Cylinder arrangement (i.e., in line, opposed, etc.).

(4) Exhaust system:

(i) Muffler:

(A) Type,

(B) Location,

(C) Number.

(ii) Expansion chambers:

(A) Location,

(B) Size.

(iii) Spark arrestors.

(iv) Other exhaust system components.

40 C.F.R. §205.155