

That has to be enough for even the most whiny moto-complainer, right? Well, if you want to complain you could say there are many sport bikes that beat the Rocket 3 when it comes to peak horsepower, which is “only” 165 at 6000 rpm. Twist the throttle and all you get is torque, rolling on easily and in a perfectly progressive prance up to its peak at 4000 rpm. With a fuel tank holding 4.8 gallons and a listed mileage of 32.4 mpg, working out to 155 miles between fill-ups.īut does big necessarily mean ungainly? No! Those Brits have managed to make mega manageable. It all sits in an aluminum frame with the engine as a stressed member, helping keep weight down to an impressive – for the displacement – 642 pounds. Behind that is a shaft drive connected to the rear wheel by a bevel gear because anything else would just leave parts all down the highway.
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A six-speed manual parses the throttle out, as if a transmission is even necessary when you’re riding something with 163 lb ft of torque. The engine is laid out in a line, north-south, liquid-cooled with dual overhead cams, fuel injection and a ride-by-wire throttle. Total displacement is 2458 ccs, bigger than almost all compact cars! Did we say it was big? Each of its three cylinders is over 819 ccs.

Take the biggest-displacement motorcycle motor you can imagine and add another several hundred ccs to whatever that is and you have the Triumph Rocket 3. Let’s start with the king-daddy of displacement, the 2500-cc Triumph Rocket 3. The Triumph Rocket 3 is the biggest engine in a production motorcycle at almost 2.5 liters.
