Triumph continually modified and tweaked the Edward Turner designed Bonnie through all the years of it’s production. By 1967 the Bonnie was unit construction (motor and transmission in a single case) had a significant frame improvement and 12v electrics. New for ‘67 were better rods and pistons, exhaust bracing, and a steering head lock. The ‘67s still suffered from horrible vibration (and associated problems like bolts and screws falling out) inadequate brakes and lighting. 1967 was the year Triumph started the conversion from British Standard bolt thread to Unified (American SAE) which meant that mechanics needed a set of Whitworth tools AND SAE. It’s no wonder the British hated us Americans in the late 60s.
The 1967 Triumph Bonneville T120 R (Roadster) used a 649 CC (40 CID) four stroke air cooled overhead valve vertical twin motor that produced 49 HP with a four speed transmission that made the top speed of 115 MPH possible. Dry weight of 363 LBS with an improved frame and hydraulic suspension front and back made a very rideable package.
This 1967 Triumph Bonneville T120R ( VIN# DU52675) is in Bremond, Texas and is listed as totally restored 0 mile motorcycle. I see things that make me suspect that (rusted screw on the left side controls, the paint is incorrect, the fork gaiters were not stock on the R but on the TT race model) and I would question the seller on these things. The bike is currently priced at $1,176.00 with reserve not met