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Topic Search
Air Programs - Mobile Emission Sources

§205.155 Motorcycle class and manufacturer abbreviation.

RegSense CFR Regulations Environmental Protection Agency (EPA)Mobile Emission Sources Air Programs Environmental Air Quality CFR Section English Focus Area USA

(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.

['Air Programs']

['Mobile Emission Sources']

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