40 CFR §86.425-78
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
- (a)Motorcycle emission test procedures are found in subpart F.
- (b)The Administrator may prescribe emission test procedures for any motorcycle which he determines is not susceptible to satisfactory testing by the procedures set forth in subpart F.
- (c)Testing of any type with respect to any test vehicle other than that specified in this subpart and subpart F is not allowed except as specifically authorized by the Administrator.