[Code of Federal Regulations] [Title 40, Volume 30] [Revised as of July 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR1051.25] [Page 600-601] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 1051_CONTROL OF EMISSIONS FROM RECREATIONAL ENGINES AND VEHICLES --Table of Contents Subpart A_Determining How to Follow This Part Sec. 1051.25 What requirements apply when installing certified engines in recreational vehicles? (a) If you manufacture recreational vehicles with engines certified under Sec. 1051.20, you need not also certify the vehicle under this part. The vehicle must nevertheless meet emission standards with the engine installed. [[Page 601]] (b) You must follow the engine manufacturer's emission-related installation instructions, as described in Sec. 1051.135 and 40 CFR 1068.105. For example, you must use a fuel system that meets the permeation requirements of this part, consistent with the engine manufacturer's instructions. (c) If you install the engine in a way that makes the engine's emission control information label hard to read during normal engine maintenance, you must place a duplicate label on the vehicle, as described in 40 CFR 1068.105.