No different bike model evokes the identical ardour in fans who love the thump and pleasure of cruising on the freeway because the Harley-Davidson. Among the quite a few issues for which the model is legendary, its engine stands out for the punch and iconic sound it makes whereas taking off with the rear wheels spinning. Their historic V-Twin engine not solely delivers unimaginable energy but additionally creates an unmistakable rumbling. This mixture of efficiency and sound has gained Harley-Davidson a cult following, driving them to the highest of the bike business.

The legendary company has been making motorcycles for over a century, fulfilling the aspirations of many passionate riders by giving a chance for private two-wheeled freedom by way of constant innovations and stunning model lineups. One of probably the most distinguishing options of a Harley-Davidson engine’s efficiency is its torque, which is the rotational drive that accelerates the bike throughout any terrain. Furthermore, its bikes have a number of the highest torque rankings within the business, which is because of their large-displacement V-twin engines that present numerous low-end grunt.

Here are ten Harley-Davidson engines that may ship explosive torque and blistering efficiency that you simply would possibly wish to try. Whether you might be cruising down the freeway, twisting by the countryside, or exploring off-road terrain, these Harley-Davidson engines can present you with an adrenaline rush of acceleration and power.

In order to provide the most recent and correct info potential, the info used to compile this text was sourced from Harley-Davidson’s official web site and press releases. Harley-Davidson’s engines on this listing have been organized based mostly on their peak torque, beginning with the least, and dealing their method as much as the very best torque engine.

10 Revelation Electric Motor

Peak Torque: 84 LB-FT

Harley-Davidson is one of the few big manufacturers that has an electrical bike in its lineup, with the LiveWire One being its first launch mannequin. It is powered by a Harley-Davidson Revelation permanent-magnet electrical motor boasting a peak torque of 84 pound-feet. Also, in contrast to an ICE engine, the rated torque is offered from low RPM, leading to distinctive acceleration.

Furthermore, the longitudinally mounted electrical motor is water-cooled, with coolant routed by a small radiator to supply the very best effectivity whereas remaining cool. Additionally, its 15.4 kWh high-voltage battery supplies 146 miles of city range and a reasonable 95 miles of combined range.

LiveWire One Specifications

Source: LiveWire

9 Revolution Max 1250T

Peak Torque: 94 LB-FT

After years, Harley-Davidson lastly gave its sports activities line a revamp, beginning with the Sportster S, with modern styling, better performance, and cutting-edge technologies. It is powered by the Revolution Max 1250T engine, which is optimized to offer huge torque at low RPM to ship fast acceleration. The engine has a 60-degree V-Twin format with a Dual Overhead Camshaft (DOHC), Variable Valve Timing (VVT), and liquid cooling.

Additionally, it has inner balancers that assist cancel vibration, which improves rider consolation and ends in decreased fatigue on longer rides. The Revolution Max 1250T engine shares similarities to the Revolution Max 1250 engine utilized in Harley-Davidson Pan America 1250 fashions, nevertheless it has been tweaked particularly for the Sportster S to ship strong low-end torque and a top speed of 143 MPH.

Sportster S Engine Specifications

Source: Harley-Davidson

8 Milwaukee-Eight 107

Peak Torque: 111 LB-FT

Down the listing is the Milwaukee-Eight 107 engine, which powers each the 2023 Street Glide and Road Glide base models, in addition to the 2023 Softail Standard model. The air/oil-cooled 107 cubic-inch V-Twin powertrain produces a powerful 111 pound-feet of torque at 3,250 RPM, delivering sturdy energy down the rev vary. Additionally, this engine returns to the basic, single-cam nosecone design from the Twin Cam design, with four-valve heads as a substitute of two for a lot better consumption and exhaust move.

Street Glide & Road Glide Engine Specifications

Source: Harley-Davidson

7 Milwaukee-Eight 114

Peak Torque: 122 LB-FT

Harley-Davidson has outfitted a number of fashions with the highly effective Milwaukee-Eight 114 engines at completely different ranges of tune, beginning with the Electra Glide Highway King model, which produces a powerful 122 pound-feet of peak torque at 2,750 RPM. Other 2023 touring fashions that get the engine are the Road King Special, Road Glide Special, and Street Glide Special, albeit at a decrease state of tune offering 118 pound-feet at 3,250 RPM.

However, the 2023 cruiser variant contains the Heritage Classic, Fat Boy 114, Street Bob 114, and Fat Bob 114, it generates 119 pound-feet of torque at 3,000 RPM. This 114 cubic-inch V-Twin delivers a great deal of energy and torque on demand for a large energy band together with the basic Harley V-Twin sound.

Electra Glide Highway King Engine Specifications

Source: Harley-Davidson

6 Twin-Cooled Milwaukee-Eight 114

Peak Torque: 122 LB-FT

The Twin-Cooled Milwaukee-Eight 114 engine shares all of the attributes of the air/oil-cooled Milwaukee-Eight 114 engines, together with the 45-degree V-Twin engine design. The 114-cubic-inch powertrain options liquid-cooled cylinder heads, the next compression ratio, and four-valve cylinder heads with elevated consumption and exhaust move capability.

Additionally, it comes with two spark plugs for every cylinder, which contributes to extra environment friendly ignition, and its single chain-driven camshaft is considerably lighter, mechanically easier, and produces much less friction and noise. The engine powers the Ultra Limited and Road Glide Limited touring models, producing 122 pound-feet of torque at 3,000 RPM with a broad energy band.

Road Glide Limited & Ultra Limited Engine Specifications

Source: Harley-Davidson

5 Twin-Cooled Milwaukee-Eight 117

Peak Torque: 125 LB-FT

The Twin-Cooled Milwaukee-Eight 117 engine in the CVO Road Glide Limited mannequin generates an unimaginable 125 pound-feet of peak torque at 3,500 RPM. The liquid-cooled 117 cubic-inch V-Twin engine options overhead valves with hydraulic, self-adjusting lifters, and 4 valves per cylinder.

Additionally, it comes with a big breather consumption and a high-flow exhaust to enhance efficiency and supply excellent low-end grunt. The CVO Limited variant is provided with luxurious and luxury options resembling high-quality paintwork, placing design, superior audio, heated seats & grips.

CVO Road Glide Limited Engine Specifications

Source: Harley-Davidson

4 Milwaukee-Eight 117

Peak Torque: 127 LB-FT

Harley-Davidson is regularly enhancing the Milwaukee-Eight V-twin engines, making its bikes stronger. The newest and strongest variant of the 117 cubic inch Milwaukee-Eight V-twin is offered in several states of tune. For instance, the engine within the Breakout mannequin supplies 123 pound-feet of torque, whereas the engine within the Low Rider S and Low Rider ST variations produces 125 pound-feet of torque.

The Street Glide ST and Road Glide ST models, alternatively, get a slight torque improve of 127 pound-feet at 3,750 RPM. Additionally, the engine contains a high-performance camshaft, a high-flow consumption, and a high-performance exhaust designed for optimum engine efficiency, offering immediate acceleration with each throttle twist.

Street Glide ST & Road Glide ST Engine Specifications

Source: Harley-Davidson

3 Screamin’ Eagle 131 Crate Engine

Peak Torque: 131 LB-FT

Harley-Davidson launched the Screamin’ Eagle 131 Crate engine a number of years in the past, with 131 pound-feet of peak torque. The 131 cubic inch V-Twin engine is a bolt-in improve for 2017 and later touring bikes, in addition to some 2018 and later Softail bikes, and was developed to run at excessive RPM whereas nonetheless offering a wonderful torque enhance from cruising pace. However, all put in fashions require ECM tuning with Screamin’ Eagle Pro Street Tuner for efficient set up.

This street-ready efficiency engine contains an engraved CNC-ported cylinder head with a CNC-machined chamber and 1mm bigger valves, an SE8-517 high-lift cam, high-compression solid pistons, and a high-performance cam bearing. The engine is available in Oil-Cooled and Twin-Cooled variants, in addition to Chrome, Black, and Gloss-Black finishes.

Screamin’ Eagle 131 Engine Specifications

Source: Harley-Davidson

2 Milwaukee-Eight VVT 121

Peak Torque: 139 LB-FT

With liquid-cooled cylinder heads, a variable valve timing (VVT) system, and a redesigned consumption route, the Milwaukee-Eight VVT 121 engine is probably the most highly effective 121 cubic-inch engine ever factory-fitted on a Harley-Davidson touring bike. The greater displacement engine is extra environment friendly, highly effective, and vibration-free than the previous Milwaukee-Eight 117 V-Twin engine on the CVO (Custom Vehicle Operations) touring models. Additionally, it options Electronic Sequential Port Fuel Injection (ESPFI), a single counter-balancer optimized to take away undesirable vibrations and a high-performance exhaust with Muffler diameter elevated to 4.5 inches.

CVO Road Glide Engine Specifications

Source: Harley-Davidson

1 Screamin’ Eagle 135ci Stage IV

Peak Torque: 143 LB-FT

At the primary spot on the listing is the Screamin’ Eagle 135ci Stage IV performance crate engine claimed to be probably the most displacement and highly effective engine made by Harley-Davidson of all time. The large motor creates absolute top-tier energy and ginormous 145 pound-feet of pinnacle drive at 3,500 RPM to ship blistering efficiency. It has race-inspired consumption manifolds, new gas injectors, solid pistons with a compression ratio of 10.7:1, CNC-ported cylinder heads, and throttle our bodies measuring 68 mm.

Additionally, it comes with a Screamin’ Eagle Pro Billet Cam Plate and Oil Pump for unimaginable grunt. This engine is appropriate with all 2021- later Harley-Davidson touring models and will be put in as a bolt-in substitute for the unique manufacturing unit powertrain. However, for finest efficiency whereas fulfilling emissions guidelines, it have to be tuned with the brand new wi-fi Screamin’ Eagle Pro Street Performance tuner.

Screamin’ Eagle 135ci Engine Specifications

Source: Harley-Davidson