The official factory Workshop/Instruction Manual No. 4 for Triumph 350cc and 500cc unit-construction twins
The official factory Workshop/Instruction Manual No. 4 for Triumph 350cc and 500cc unit-construction twins is identified by part number 99-0842.
This manual is the primary technical resource for early unit-construction models up to engine number H29733.
Models Covered
The manual provides comprehensive data for the early "distributor" and "bath-tub" fairing models:
350cc Models: Twenty-One (3TA) and Tiger 90 (T90).
500cc Models: Speed Twin (5TA), Tiger 100A (T100A), and Tiger 100SS (T100SS).