U.S.A. Federal regulations as it pertains to turn signals on Motorcycles. We offer the following excerpts for INFORMATION ONLY!! We make no promises or claims to it's validity, currency or accuracy!!
	The regulations regarding Turn Signals Look for section S5.1.1.7
	This site, ShadowStuff.com, MotorcycleCrazy.com and is not affiliated with any Federal, State, or Local organization. The goal of this informational web page is to be as factual as possible, however, the views expressed on this site are the opinions of the web master and SHOULD NOT, CANNOT and MUST NOT be used to determine the legality of motor vehicle equipment in accordance with Local, State or Federal laws. If you require a legal interpretation of your specific situation concerning FMVSS No. 108, you should contact the National Highway Traffic Safety Administration's Office of Chief Counsel.
	The following is a TINY part of...
	[Code of Federal Regulations] [Title 49, Volume 5, Parts 400 to 999] [Revised as of October 1, 2000] From the U.S. Government Printing Office via GPO Access [CITE: 49CFR571.108] [Page 236-307] TITLE 49--TRANSPORTATION CHAPTER V--NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION PART 571--FEDERAL MOTOR VEHICLE SAFETY STANDARDS--Table of Contents Subpart B--Federal Motor Vehicle Safety Standards Sec. 571.108 Standard No. 108; Lamps, reflective devices, and associated equipment.
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	S5.1.1.7 A motorcycle turn signal lamp need meet only one-half of the minimum photometric values specified in Table 1 and Table 3 of SAE J588 NOV84 Turn Signal Lamps.
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	S5.1.1.25 Each turn signal lamp on a motorcycle manufactured on and after January 1, 1973, shall have an effective projected luminous area of not less than 3-1/2 square inches. S5.1.1.26 On a motor vehicle whose overall width is less than 80 inches: a) The functional lighted lens area of a single compartment stop lamp, and a single compartment rear turn signal lamp, shall be not less than 50 square centimeters.
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	Table IV--Location of Required Equipment [All Motorcycles]
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	Item Motorcycles   Height above road surface measured from center of item on vehicle at curb weight         Turn signal lamps At or near the front--1 amber on each side of the vertical centerline at the same height, and having a minimum horizontal separation distance (centerline of lamps) of 16 inches. Minimum edge to edge separation distance between lamp and headlamp is 4 inches. At or near the rear--1 red or amber on each side of the vertical centerline, at the same height and having a minimum horizontal separation distance (centerline to centerline of lamps) of 9 inches. Minimum edge to edge separation distance between lamp and tail or stop lamp is 4-inches, when a single stop and taillamp is installed on the vertical centerline and the turn signal lamps are red.   Not less than 15 inches, nor more than 83 inches.
	This site, ShadowStuff.com, MotorcycleCrazy.com and is not affiliated with any Federal, State, or Local organization. The goal of this informational web page is to be as factual as possible, however, the views expressed on this site are the opinions of the web master and SHOULD NOT, CANNOT and MUST NOT be used to determine the legality of motor vehicle equipment in accordance with Local, State or Federal laws. If you require a legal interpretation of your specific situation concerning FMVSS No. 108, you should contact the National Highway Traffic Safety Administration's Office of Chief Counsel.