Suck it up all you Harley haters, and behold the new Street Rod – pretty much what we wished the original Street 750 could’ve been in 2014.

At the heart of the matter is a snarlier 60-degree SOHC V-Twin: The High Output Revolution X 750 is said to produce 18% more horsepower and 8% more torque than the standard Revolution X 750 engine, via larger airbox feeding a new dual-throat throttle body, revised four-valve cylinder heads, new high-lift camshafts and a higher-volume muffler. Compression ratio is up from 11.0:1 to 12.0:1 – and the hotter enchilada is now revvable to 9,000 rpm instead of 8,000. Extrapolating from our last 54-hp Dynojet-measured Street 750, the Street Rod should be good for about 64 horses at the rear tire and about 47 lb-ft of torque.

All that would be for naught if not for significant (and very non-Harleyesque) chassis developments: Longer, piggyback reservoir shocks out back provide a full 4.6 inches of rear-wheel travel and a much more purposeful stance, while also helping reduce the rake angle all the way from 32 to 27 steepish degrees.
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https://www.motorcycle.com/manufacturer/harley-davidson/2017-harley-davidson-street-rod-preview.html