Offered here is an original factory-issued Triumph Workshop Manual covering the highly collectible Unit Construction 350cc & 500cc Twins, including:

T90 Tiger 90

T100 Tiger 100

3TA

5TA

Published by Triumph Engineering Company Ltd., Meriden Works, Coventry, England, this is an authentic factory workshop manual supplied for dealership and professional service use — not a Clymer or Haynes reproduction.

This manual provides detailed service procedures, factory specifications, mechanical diagrams, and official engine timing references for Triumph’s iconic small and mid-displacement unit twins.

Highlights

• Original Triumph factory binder

• Complete interior pages

• Factory timing disc page present (disc is loose)

• Official Meriden publication

• Printed in England

• Detailed exploded diagrams and service photography

Original Meriden-era Triumph documentation is increasingly difficult to find complete, especially in original binder format.

Condition

Binder solid and intact

Interior pages complete

Light age-related foxing consistent with vintage paper

Some light moisture spots to pages but no issues or sticking

No missing sections observed

Timing disc page present

Please review photos carefully as they are part of the description.