The Throttle on the right is the Doherty pattern and features a curved a sleeve so that the cable enters the nacelle smoothly, the throttle friction clutch is operated by a small adjusting knob.The grips are similar to the Amal Pattern, Black, quite thin with a fine raised finish and embossed with the Triumph Logo.
The headset and engine bridge support are malleable-iron castings.
For this early frame the Trail is 64.5 degrees as this matches Triumph practice for the period.
It covers all models such as the Triumph T21, 3TA, 5TA, Tiger 90, Tiger 100 and the Competition, Police and Military Versions.
You will find detailed information on each model for each year together with sections on Dating, Colour Schemes and Parts.
Additionally there are sections on Triumph History, The Factory Records, Magazine Road Tests and The Works Manual.