Triumph Bonneville prototype spied with liquid cooling
There have been several versions of the Triumph Bonneville since its initial existence as a 650-cc parallel twin, and while its cylinder orientation has remained consistent through the years, its displacement has increased all the way to the 865-cc model that's currently in showrooms. As you can see in the images above, though, the Bonneville is about to go through a major transformation, moving from its air-cooled past and into the liquid-cooled future.
All the various bits and pieces that make up the 2016 Triumph Bonneville's cooling system look to be well hidden, minus, of course, the requisite radiator. Also hidden away, tucked beneath the engine, is a catalytic converter – note the faux exhaust pipes in matte black on this prototype that will very likely be chrome in production. We don't yet know the true capacity of the new engine, but the fact that it is liquid cooled, and that this prototype is wearing wider, stickier rubber than the current production Bonneville, leads us to believe that greater power will come from those two cylinders.
See the gallery above for all the juicy spy shots.
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