parallel-twin

The New Parallel-Twin
Somewhere between the time Honda introduced its torsion springed CB450 in 1965 and when the last Triumph Bonneville rolled off the Meriden production line in 1983, the parallel-twin became...
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Royal Enfield Debuts New Twins
Royal Enfield recently debuted it’s first new engine since the Roosevelt administration. The 648 cc Parallel-Twin finds its way into both the new Interceptor 650 and Continental GT 650, two...
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