Inspired by the prototype made over one week-end at the Meriden factory in 1976 we fit a T150 Trident engine into an Oil in Frame Bonneville (and we give it a few sporting touches along the way).
Photo from David Minton’s book ‘The Return Of The Legend Triumph’.
The oil cooler in the T160 Tri-ville is definitely NOT in a position that would allow easy Exhaust Valve clearance adjustment. A T150 engine with upright cylinders would be a much better solution and would look more appropriate in a Bonneville Frame; so follow the photo trail as things come together…..
Frame modifications to accept the T150 engine and increase oil capacity. Bonnevilles suffered from the 4 pint limitation of the Oil In Frame tank. The Trident would suffer even more so the filler point has been moved to the front of the tank to increase oil capacity.
Fuel Tank modified to accommodate the relocated Oil Filler.
One of the hold-ups on the engine side of things has been the lack of a serviceable crankshaft. Finally a NOS item has been sources on eBay and now safely shipped from the USA to our workshop in Australia.
Bottom end assembly is now one step closer.
A mock-up engine has been fitted to the frame so the necessary fittings can be created. Head Steadies have now been produced based on standard T150 items.
to be continued……