Good, nice, used Yamaha gas cap lock and key assembly for 1973-1975 RD250 and RD350, 1973-1974 TX500, TX650 and TX750, and 1975 XS500 and XS650.  Fitment list below.  Please ask questions and confirm fitment before bidding.
Includes the original mounting screw.

Key works well.  
The chrome a couple of VERY minor pits and marks, but is otherwise nice.

Fast First Class Mail shipping.
I ship fast and I pack well. 
 
1973 RD250
1973 RD350
1973 TX500
1973 TX750
1974 RD250A
1974 RD350A
1974 TX500A
1974 TX650A
1974 TX750A
1975 RD250B
1975 RD350B
1975 XS500B
1975 XS650B 

341-24502-01 341-24502-01-00 341-24628-00-00 90508-07235-00 90249-03088-00 petrol gas xs tx 500 73 74 75 650 750 fuel tank petrol clip e-clip torsion 256-24637-00 93430-02001-00 308-24624-00 341-24602-01 341-24602-01-00