Triumph 4-speed gearbox components
While I had Bonnie's gearbox apart I took a bunch of photos of all the gearbox parts. Includes photos of original old-style parts as well was newer upgraded parts.
Reference Photos
(Click Photos to Enlarge)
Inside of the Dismantled Gearbox
Gearbox Sprocket Through Primary Chaincase
Mainshafts
Bonnie's original mainshaft is pictured below. The crappy replacement mainshaft on top was returned to the vendor in exchange for a good shaft.
Camplate Plungers
Rear View of New (left) and Old (right) Style Camplates
Gearshift Camplate Positions in Gear
Front View of Old (left) and New (right) Style Camplates
Shifting Fork Rod, Shifting Forks, and Moving Gearsets
Shifting Forks & Moving Gearsets
Layshaft (Left) and Mainshaft (Right)
Mainshaft (Top) and Layshaft (Bottom)
Layshaft, Shifting Fork, Fork Rod
The Triumph 4-Speed Gear Cluster
Gear Cluster (Less Layshaft Low Gear) Installed in Gearbox
Low Gear Installed on Layshaft
Inner Quadrant and Inner Cover
Both cotter pins visible.
Inner Quadrant and Inner Cover
Again, showing both cotter pins.
Inner Cover Replaced
Kickstart Parts on End of Mainshaft
The Outer Cover Fasteners
