Yamaha XT, TT and SR500 Singles 1975-83 Owner's Workshop Manual)] [Author: Mansur Darlington] published on (June, 1992): Mansur Darlington: Amazon.com: Books
Amazon.com: Carbman Petcock Fuel Gas Tap Valve Compatible with Yamaha Right or Left XS650 Special XS850 XS1100 XS750 XS 650 750S 850 1100 SR 500 447-24500-02 : Automotive
Amazon.com: 25-5595/447-24500-02-00 Fit Yamaha Petcock Fuel Gas Tap Valve Right or Left XS650 1978-84 SR 500 2FastMoto XS750 Special XS850 XS1100 : Automotive