This Triumph Original Owners Instruction & Maintenance manual covers the early 350cc Twenty-One (3TA) models that were in production during 1957.
TRIUMPH 350cc 500cc 3TA 5TA T21 T90 T100 TIGER Primary chaincase cover gasket
TRIUMPH UNIT 350cc 500cc 3TA 5TA T21 T90 T100 Inner and outer gearbox gasket
TRIUMPH T90/100 3TA 5TA T100A GREY TOP SEAT (82-4239G) - UK SUPPLIED
Triumph T90 T100 3TA 5TA T100C 7inch SLS Front Brake 37-1301 Complete 1961-68
Triumph 350 500 3TA 5TA T90 T100 Bottom Oil Tank Bracket 82-5378 82-6898 1957-74
TRIUMPH 350 500 3TA, 5TA, T100 UNIT TWINS PARTS BOOK MANUAL #7 1966 TP15 18/67
