Harley Davidson Ultra Classic Problems – And How To Solve Them

Harley Davidson is an iconic motorcycle brand that has symbolized American culture for over a century with its iconic V-twin engine and ruggedly handsome design. The company offers a wide range of motorcycles, each designed to cater to its riders’ unique needs and preferences.

From the classic Road King to the sporty Street Glide, there is a Harley Davidson motorcycle for everyone. Owning a Harley Davidson ultra classic is one of the best experiences for any biker. This classic ride, however, comes with some common issues that new owners should be aware of.

From wiring and fuel injection problems to clutch and brake pedal issues, these problems can be inconvenient and unsafe while riding. Here, we will dive deeper into some of the common issues Harley Davidson ultra classic owners face, particularly in the 2007, 2010, and 2008 models. We will also share tips on fixing some of these issues so you can have a safe and enjoyable ride.

Harley Davidson Ultra Classic Problems

2007 Harley Davidson Ultra Classic Problems

2007 Harley Davidson Ultra Classic Problems

The 2007 Harley Davidson Ultra Classic has a few known issues that riders should know. The most common problem is the clutch assembly’s failure, causing a power loss to the drivetrain. Other issues include oil leaks from the engine, wiring problems leading to electrical issues, and fuel system abnormalities.

Additionally, some riders have reported transmission issues and trouble with the suspension. Suppose you own a 2007 Harley Davidson Ultra Classic. In that case, it’s important to be aware of these potential problems and to have them addressed by a professional mechanic as soon as possible to prevent further damage.

Dtc (Dead Throttle Control)

One of the common issues faced by 2007 Harley Davidson Ultra Classic owners is DTC or Dead Throttle Control. Several factors, including a faulty sensor or wiring problem, can cause this issue. Symptoms of DTC can include a loss of power, rough idling, and difficulty accelerating.

If you are experiencing this issue, having your bike diagnosed and repaired as soon as possible is important. Ignoring the problem can further damage your bike’s engine and may even put you at risk while riding. Fortunately, many Harley Davidson dealerships and repair shops are experienced in diagnosing and repairing DTC, so you can get back on the road quickly and safely.

Wiring Problems

One common problem with the 2007 Harley Davidson Ultra Classic is wiring issues. Many owners have reported problems with the wiring harness, which can cause various electrical problems. Some issues that may arise from wiring problems include issues with the lights, radio, or even the engine.

In some cases, wiring problems can cause the bike to fail to start altogether. If you own a 2007 Ultra Classic, it’s important to have regular maintenance and inspections performed to ensure that your wiring is in good condition and to catch any potential problems early on.

Fuel Injection Problems

One of the common issues 2007 Harley Davidson ultra classic owners faced was fuel injection problems. Some riders have reported problems with the fuel system clogging up or not functioning properly, leading to stalling and other performance issues. A range of factors, including a faulty fuel injector, clogged fuel filter, or problems with the fuel pump or pressure regulator, can cause this.

To prevent fuel injection problems, it’s important to regularly service and maintain your Harley Davidson ultra classic. This can include changing the fuel filter, cleaning the injectors, and checking the fuel pressure to ensure everything functions properly. If you experience fuel system problems, it’s important to have them checked out by a qualified mechanic to prevent more serious issues.

Oil Pressure Problems

Oil Pressure Problems

One of the common issues 2007 Harley Davidson ultra classic owners faced was oil pressure problems. Some owners have reported issues with low oil pressure, which can lead to engine damage if not addressed promptly. Causes of low oil pressure can range from faulty oil pressure sensors to clogged oil passages.

To prevent oil pressure problems, it’s important to regularly check the oil levels and change the oil as the manufacturer recommends. Suppose you notice low oil pressure or other Harley Davidson ultra classic issues. In that case, it’s important to have it inspected by a qualified mechanic as soon as possible to prevent further damage to your engine.

Clutch Problems

One common issue Harley Davidson Ultra Classic owners face is clutch problems. In the 2007 model, some owners have reported issues with slipping clutches or difficulty shifting gears. This can lead to a less enjoyable riding experience and even be dangerous. Owners need to monitor their clutch performance and address any issues as soon as possible. Regular maintenance can help prevent clutch problems and ensure a smooth and safe ride.

Brake Pedal Problems

Brake Pedal Problems

One common issue owners of 2007 Harley Davidson ultra classic motorcycles have reported is problems with the brake pedal. Some have experienced a soft brake pedal that requires more force than usual to engage the brakes.

Others have reported a sticking brake pedal that does not release properly, making it difficult to ride safely. To address these issues, owners may need to replace the brake pads or bleed the brake lines to ensure proper function. Regular maintenance and inspections can also help prevent or catch brake pedal problems before they become more serious.

2010 Harley Davidson Ultra Classic Problems

2010 Harley Davidson Ultra Classic Problems

The 2010 Harley Davidson Ultra Classic has been famous for having a few common problems. One of the problems is an issue with the fuel gauge, which can malfunction and give inaccurate readings. Another issue is the clutch, which can cause a loud noise when disengaging.

Some owners also report problems with the engine stalling, which a faulty throttle sensor could cause. Additionally, there have been complaints about electrical problems, including issues with the wiring harness and battery. While these problems are common, owners of the 2010 Harley Davidson Ultra Classic can prevent them by keeping up with regular maintenance and promptly addressing any issues.

Engine Problems

One of the common issues reported with the 2010 Harley Davidson ultra classic is related to engine problems. Some riders have reported experiencing engine knocks caused by an improper combustion process. This issue can lead to engine damage if left untreated.

Another common engine problem reported is oil leaks from gaskets or seals. This can cause a decrease in oil pressure and potentially damage the engine. It’s important to address any engine problems as soon as possible to avoid further damage or potential safety hazards on the road.

Brake Problems

The 2010 Harley Davidson Ultra Classic has experienced several common problems over the years, including issues with the brakes. Some owners have reported that the brakes on this model can be prone to locking up or failing, especially when the bike is ridden for long periods at high speeds.

These problems can be caused by a variety of factors, including worn brake components, improperly adjusted brakes, or even defects in the manufacturing process.

To avoid these issues, it is important to have your brakes inspected regularly by a professional mechanic and to make any necessary repairs or replacements as soon as possible. Additionally, riders should practice safe and responsible driving habits to minimize the risk of accidents and other mishaps on the road.

Steering Problems

One of the most common problems reported with 2010 Harley Davidson Ultra Classic motorcycles is related to steering issues. Owners have reported experiencing steering problems while riding at higher speeds, including inconsistent handling and a wobbling sensation.

These issues can often be attributed to problems with the front suspension, particularly the steering head bearings or fork seals. It’s important for owners to have their motorcycles inspected regularly and to address any potential steering issues as soon as possible to ensure their safety on the road.

Wiring Problems

One of the common issues that can occur with a 2010 Harley Davidson ultra classic is wiring problems. These problems can manifest in a number of different ways, from faulty lighting systems to problems with the bike’s electrical controls.

Some of the most common symptoms of wiring problems include flickering headlights, issues with the bike’s audio system, and problems with the bike’s battery management system. If you are experiencing any of these symptoms, it is important to have a professional mechanic diagnose and repair the issue as soon as possible to avoid any further damage to your bike.


One common issue owners of the 2010 Harley Davidson ultra classic may face is electrical problems. These can manifest in a number of ways, such as intermittent starting issues, problems with the charging system, and issues with the bike’s lighting. Common causes of these types of problems can include wiring and connector issues, faulty relays or fuses, and problems with the bike’s battery or alternator.

To address these issues, owners may need to replace faulty parts or have their bike’s electrical system repaired by a professional mechanic. Regular maintenance and inspections of the bike’s electrical components and wiring can also help prevent these types of problems from occurring in the first place.

2008 Ultra Classic Problems And How To Fix Them

2008 Ultra Classic Problems And How To Fix Them

The 2008 Harley Davidson Ultra Classic has a few common issues that owners may encounter. One problem is the compensator sprocket, which can wear out prematurely, creating a loud clunking noise when shifting gears. Another issue is related to the fuel system, where the fuel injectors may become clogged.

Causing poor fuel efficiency or engine performance. Other common issues include electrical problems, such as fuses blowing, and transmission problems, such as difficulty shifting between gears. It’s important to keep up with regular maintenance and address any problems promptly to ensure the longevity and performance of your Ultra Classic bike.

Engine Problems

One of the most common problems with the ULTRA is the leaking valve cover gasket. Which can lead to reduced engine performance and increased emissions. Another issue is the EGR valve, which can become clogged and reduce engine performance.

A faulty transmission can also cause problems for owners of the car. It could cause hesitation or loss of power when shifting into reverse or driving. Engine problems include idling issues, engine revving or hesitation, poor fuel economy, and transmission issues. Here are some preventive measures to take if your vehicle is experiencing an engine problem:

  • Check for any loose or damaged parts: Verify that the spark plugs, wires, and hoses are in good condition. If you notice any loose or damaged parts, replace them immediately to ensure safety.
  • Clean the air filter: Dust and dirt can accumulate on the air filter, reducing airflow and performance. Clean it regularly to ensure peak performance and engine life.
  • Check the oil level: Low oil levels can cause excessive wear on internal components. Check the oil level regularly and add a proper amount of synthetic oil if necessary.
  • Use high-quality gasoline: High-octane gas can help increase fuel efficiency and minimize damage to moving parts.
  • Check the belts: Belts contribute to over 90 percent of all engine repair costs. Ensure they are in good condition by checking for cracks, fraying, or bearing damage.
  • Tune up the carburetor: A clogged or damaged carburetor can cause poor fuel economy or reduced power output. A tune-up or replacement can restore optimal performance.

Electrical Problems

An ultra-classic can be a joy to drive, but it can also be prone to electrical problems. If you’re having issues with your ultra classic’s electrical system, here are a few common culprits and how to fix them: 

  • Corroded or damaged wiring: The first step is to check the wiring for any signs of damage or corrosion. This can cause intermittent issues, such as a dimmer switch that doesn’t work properly or a radio that won’t turn on. 
  • Dirty or worn-out spark plugs: A dirty or worn-out spark plug can lead to misfiring or stalling. Clean them and replace them if necessary. 
  • Faulty Ignition Coil Pack: An ignition coil pack is responsible for keeping the spark in the cylinders of the engine alive and consistent. If it’s faulty, it could lead to misfires and stalling. 
  • Dirty MAF Sensor: The MAF sensor measures air intake through the air filter and feeds it back into the engine to control the fuel mixture. If dirty or damaged, the fuel mixture could be off, causing poor overall performance and reliability.

Brakes And Suspension Problems

With the high-end features and smooth driving characteristics of the 2008 ultra classic, it’s no wonder why this vehicle has become a favorite among enthusiasts. But with so much power and prestige comes a certain level of responsibility. At least, that’s what we tell ourselves when our cars start to act up. Here are some of the issues you may encounter with your 2008 ultra classic and how to fix them.

  • Brakes: The brakes on your 2008 ultra classic are likely to be among the most advanced on the market. However, they can still use some work. If they lack stopping power or have other problems, bring them to a mechanic as soon as possible. It may be time for new brake pads or rotors or perhaps even a full brake system overhaul.
  • Suspension: When it comes to suspensions on American muscle cars, there is no denying that the ’08 is one of the kingpins. With its legendary handling and superior performance, you’ll want yours in tip-top shape. If you notice any squeaks or rattles coming from your suspension system, bring it to a mechanic immediately for inspection and possible repairs.

Tires, Rims, And Wheel Bearings Problems

A few problems with your 2008 ultra classic include tires, rims, and wheel bearings. 

Tires – When it comes to the tires, you should regularly check for proper inflation pressure, wear patterns on the tire treads, and any cuts or cracks in the tire. These can affect the performance of your vehicle and increase its chances of getting a flat. Tires also come in different sizes and shapes depending on the model of the vehicle and can be costly to replace. Always make sure you choose those that fit your budget and driving needs.

  • Rims – Rims are made of several materials, such as steel, aluminum, and plastic. They are designed to hold tires on a wheel along with providing structural support for the tire and rim structure. Well-maintained rims will perform well for years without any issues. If they begin to show signs of wear or damage, it is advised to replace them immediately, as they could lead to accidents or other issues with your vehicle’s performance.
  • Wheel bearings – The wheel bearings are located in between each wheel hub and allow the wheels to turn smoothly without excessive friction or noise. Since they are prone to failure over time, regular maintenance checks by a professional mechanic are recommended for your ultra-classic wheel bearings.


Harley Davidson Ultra Classic is one of the most iconic motorcycles in the world. It has been a favorite of riders for decades, and its popularity is only increasing today. But, like any other motorcycle, there are occasional problems that can crop up.

If you’re a Harley Davidson owner or enthusiast, it’s essential to be aware of common problems that may arise. From wiring problems to fuel injection issues, it’s crucial to identify these problems early to avoid any further damage.

If you’re facing any of these issues, don’t worry. There are solutions available. You can find various resources online, including step-by-step tutorials and expert advice, to help you fix your Harley Davidson ultra classic problems.

Frequently Asked Questions

1.What Is Considered High Mileage For A Harley-Davidson Ultra Classic?

Ans: High mileage for a Harley-Davidson Ultra Classic is around 40,000 to 50,000 miles. This is the average range of an Ultra Classic, which makes it suitable for touring. Replacing the oil and air filters can help maintain the optimal performance of your motorcycle.

2.What Years Was Harleys Bad?

Ans: Well, it’s not necessarily accurate to say that Harleys were “bad” during any particular year, as it can depend on a variety of factors, such as individual models, manufacturing quality, and maintenance history. However, some Harley enthusiasts may argue that the years between 1969-1980, which are often referred to as the AMF years, were not the best for the brand.

3.How Many Miles Per Tank Does A Harley Ultra Classic Get?

Ans: The average fuel efficiency of the Harley Ultra Classic is 18 kmpl. As per ARAI, the average of Ultra Classic Electra Glide is 18kmpl. With a fuel tank capacity of 22 liters, this bike can go up to 410 kms on a full tank.

4.Is The 103 Harley Engine Reliable?

Ans: The 103 Harley engine has become famous for riders looking for power, durability, and longevity in their motorcycle. With its advanced technology and top-notch engineering, the 103 engine has proven reliable workhorse. Harley-Davidson has invested heavily in research and development to create a machine that can deliver the power and performance that riders demand. While still being dependable and long-lasting.

5.What Is The Best Year Model Harley-Davidson?

Ans: There’s no one perfect Harley-Davidson model. It all depends on your needs and wants. However, the 2018 Harley-Davidson Street Glide is a great choice for anyone who wants a smooth, comfortable touring bike that can still handle spirited riding.

Leave a Comment