FXR Vs Dyna: Comparing Harley-Davidson’s Iconic Legends

In a few words, the main difference between these two lies in their frames. The frame of the FXR is more rigid than that of the Dyna. Besides, FXR has a rear suspension setup called a “Rubber isolated system,” and Dyna has a twin-shock rear suspension system.

Additionally, there are some variations in their handling, performance, and engine. 

So, examining their unique features, performances, and other specs can determine this fierce competition. That’s what you are going to see below.

Harley-Davidson FXR Specs

Harley-Davidson FXR was introduced in 1982 to provide better handling with the V-twin engine and its classic look. Harley has combined sportiness in FXR bikes with a new rigid frame.

The front suspensions are telescopic, and the rear ones are dual shocks in all of the FXR models.. Now, let’s see the other specs of all the FXR versions:

Engine type45° V-Twin four stroke 
Engine displacement1337 cc
Transmission 5-speed manual
Cooling systemair-cool
Top speed167 km/h (FXRS 1340 Low Rider)
Max power64 hp @5400 rpm
Brake Single disc (front & rear)
Compression ratio8.5:1
Maximum mileage40 km/gallon

Harley-Davidson Dyna Specs

The Harley Dyna lineup has some of the most loved and well-known motorcycle models worldwide. The models of Dyna are known for their lightweight and powerful cruising capability.

Here are the other specs of Harley Dyna models:

Engine typeTwin Cam 96
Engine displacement1584 cc, 1690 cc (Switcback model)
Transmission 6-speed manual
Cooling systemAir-cooled 
Top speed194 km/h (Street Bob)
Maximum power68 HP @5500 rpm
Brake Disc
Compression ratio9.2:1
Maximum mileage45 km/gallon

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What Are the Similarities Between Harley FXR and Dyna?

Harley Dyna and FXR are different models, so their differences are apparent. Although they have differences, they have quite a few similarities as well. Let’s take a look at them:

Engine platform

The Harley’s classic V-Twin engine powers both Harley FXR and Dyna. However, Dyna models include different versions of the V-Twin engine, but they are all from a similar platform. The specific model and year of their V-Twin engine have various displacements.

Frame design

Dyna and FXR have differences in their frames, but they also have some similarities. Both motorcycles have double cradle frames, and their structures are made of steel, which makes them durable and strong.


Harley FXR and Dyna both offer classic Harley-Davidson styling. It means they have the same iconic teardrop-shaped gas tank, riding position, and a loud exhaust.

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Harley Davidson FXR Vs. Dyna: Quick Comparison Table

Knowing the differences between Harley FXR and Dyna is important as it could affect your riding experience and overall decision while choosing either of them. This quick comparison table will show their differences: 

Point of comparisonHarley FXRHarley Dyna
Production year1982-19951991-2018
Engine typeEvolution V-TwinTwin Cam 96
Best forCruisingTouring
Control & HandlingBest for handlingGood at handling but less than FXR
Transmission5-speed manual6-speed manual
FrameRigidNot as rigid as FXR
SuspensionDual-shock rear suspensionTwin rear shock absorber set up

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What Are the Differences Between the Harley FXR and Dyna?

Now that you already know the differences between Harley FXR and Dyna from the table, let’s dig deep into the comparing facts now:

Production Year

Harley FXR was introduced in 1982 and was the first rubber-mounted custom motorcycle from Harley-Davidson. Harley stopped the production of FXR motorcycles in 1995.

The Dyna lineup actually replaced the FXR motorcycles. But Dyna started its journey in 1991, and Harley ended it in 2017 for the 2018 model.

Engine Type

At first, the Harley FXR was equipped with the Shovelhead engine. But at that time, Harley was transforming into an Evolution engine.

Later, FXR models were fitted with the 1340 cc V-Twin Evo engine. It has different displacements, but FXR had the 1340 cc 80 cubic inches.

All Dyna motorcycles were equipped with the 4V Twin Cam 96 engine. This engine has a different displacement depending on the model and year. 

Generally, the displacement is 1584 cc for all models except the Switchback model.

Best For

Harley FXR models are best for daily cruising. However, you can also take them on tours, but they are not specialized for touring like the Dyna models. 

Dyna models are suitable for long tours because they have comfortable riding positions and powerful engines.

Read Also: Harley Super Glide Vs Wide Glide- Core Differences Unveiled

Control and Handling

Harley FXR has good control and handling, with a solid chassis with zero flex, a high-quality suspension, and a three-point mounting system.

On the other hand, Dyna also has good handling but not like FXR models.


The FXR and Dyna have different transmissions. The FXR uses a 5-speed manual transmission, whereas Dyna models use a 6-speed manual transmission.

The 6-speed manual transmission of Dyna provides a wide range of gears that makes them suitable for both city and long cruises. 

The extra gear helps to save fuel, and the engine doesn’t need to work hard to maintain the speed.

On the other hand, the 5-speed manual transmission of FXR is less complex and lighter.

Frame and Suspension

Harley Fxr and Dyna look almost similar, but there’s a difference in their frames. FXR has a triangle shape that makes it more rigid and has a low center of gravity. 

On the other hand, Dyna models don’t have that shape and are not as rigid as FXR.

About the suspension, FXR models feature a dual-shock rear suspension connected on both sides of the frame and isolated with rubber from the frame. 

But the Harley Dyna models utilize a twin rear shock absorber connected to the rear wheel.

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Harley FXR or Dyna: Which One to Choose?

Deciding between the FXR and Dyna depends on several facts, like personal preferences, riding style, and purpose.

FXR is more agile and responsive, while Dyna is a stable and powerful motorcycle. If you love to customize your motorcycles a lot, FXR can be an excellent option, and more aftermarket parts are available for doing so.

On the other hand, If you do a lot of long tours, Dyna is undoubtedly the best option. On the other hand, FXR has a narrower gear which is great for riding inside the city.

You can test-ride both the FXR and Dyna to experience the different characteristics of both bikes and decide which is best for you.


There may be many concerns when deciding between the FXR and Dyna, two excellent bikes. You can find some of their answers in this FAQ section:

Which Motorcycle Is Easier To Customize, The FXR Or Dyna ?

FXR has a simple design, and the parts of these motorcycles are readily available in the market. That’s why FXR is easier to customize. Some Dyna models’ parts may be rare in the market, making them hard to customize.

Did Dyna Replace FXR On The Market?

Yes, in 1995, Dyna super Glider and FXDS Dyna Glide convertible replaced the FXR Super Glide and FXLR model. These were the last models from the FXR lineup, which were discontinued after that.

Which One Is More Powerful, FXR Or Dyna?

Dyna motorcycles are more powerful than FXR motorcycles with more powerful engines. The Dyna uses a 1584 cc Twin Cam 96 engine with 74 hp, whereas FXR has a 1340 cc V-Twin engine with a maximum of 64 hp.

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