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![]() 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. 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. ![]()
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