Triumph Daytona 955i Problems – A Tyre Kickers Guide

The Triumph Daytona 955i is a high-performance, touring-style bike perfect for riders looking for a nimble and agile ride. With its high-quality components, including a suspension system and brakes, the 955i provides excellent stability and control.

It is a member of the popular Triumph Daytona series known for its reliability and high performance. The 955i was one of the most affordable models in the lineup, making it an excellent choice for riding a bike with high performance without breaking the bank.

Unsurprisingly, it has many problems, especially when carrying a high-power engine. If you’re facing any problem with your bike, there’s always a chance of fixing it by following these troubleshooting tips. However, before getting into troubleshooting tips, let’s understand what the Triumph Daytona 955i Problems are all about.

Triumph Daytona 955i Problems

Overview Of Triumph Daytona 955i

The Triumph Daytona 955i is a high-performance sports bike manufactured by the British Triumph Motorcycles. The 955i is equipped with electronic fuel injection and a six-speed transmission. This provides the 955i with high power and torque output. A liquid-cooled, in-line triple-cylinder engine powered the bike, generating 180 horsepower and 110 pound-feet of torque. It could reach up to 153 miles per hour and had a top speed of 188 miles per hour.




955cc, liquid-cooled, inline 3-cylinder

Maximum Power

147 hp @ 10,700 rpm

Maximum Torque

100 Nm @ 8,200 rpm



Suspension (Front)

Showa 43mm upside-down forks with adjustable preload, compression, and rebound damping

Suspension (Rear)

Showa monoshock with adjustable preload, compression, and rebound damping

Brakes (Front)

Dual 320mm discs with 4-piston calipers

Brakes (Rear)

Single 220mm disc with 2-piston caliper

Tires (Front)

120/70 ZR17

Tires (Rear)

190/50 ZR17

Fuel Capacity

21 liters


195 kg

Seat Height

815 mm


2,065 mm (L) x 725 mm (W) x 1,135 mm (H)

Top Speed

Approx. 255 km/h

Acceleration (0-100 km/h)

Approx. 3.5 seconds



  • Powerful Engine
  • Handling and Stability
  • Stylish Design
  • High-quality Build


  • Fuel Efficiency

Triumph Daytona 955i Problems And How To Fix Them

Triumph Daytona 955i Problems And How To Fix Them

The Triumph Daytona 955i has had a history of issues, including problems with starting and clutch adjustment. This bike has been prone to issues with its electrical system, such as the battery dying or not holding a charge. Over the past few years, people have reported various common complaints about the Triumph Daytona 955i Problems, including fuel injection issues. Some of the complaints for this bike include issues with the clutch adjuster and fuel injection.

Resolve Electrical Issues With The 955i

Resolve Electrical Issues With The 955i

Coils are the heart of a bike’s electrical system, and if they fail, it can lead to all sorts of problems. Faulty coils commonly cause electrical issues with the Triumph Daytona 955i. Coils can produce excessive heat or burn out completely when they fail. This can result in the motorcycle not starting or running smoothly.

If you are experiencing issues with your Daytona 955i’s electrical system, you must take it slow and address the problem step by step. A good first step is to check the wiring, connections, and contacts for loose or damaged components. If you find any problems, replace those parts immediately to ensure the system works properly. If you still have issues after replacing faulty components, it may be time for a qualified technician to inspect and repair the motorcycle for any electrical issues.

Warning Lights

The Warning Lights may fail on the Triumph Daytona 955i (2001-2003). These lights include the headlight, speedometer, and instrument cluster gauges. If these lights fail to illuminate when turning the ignition key or starting the motorcycle, this may indicate an electrical problem. Various light warning malfunctions, including the lights on the instrument cluster not coming on when the bike is started, can result from this. Other warning lights may stay illuminated even after riding.

If warning lights continually light up and do not function, you may need to replace any faulty components. We updated the Daytona 955i (2003–on) with a single-sided swingarm and smoother gear changes that can improve handling and performance. Some riders reported riding comfort and handling issues over the earlier model years, so we intended an improved design to address those issues.

Starting Troubles

The Triumph Daytona 955i is a popular motorcycle with a strong following. It is popular for its reliability and performance, but it may have issues starting due to an old or faulty stator and regulator/rectifier. To prevent this from happening, you must regularly clean and service the brake calipers of the motorcycle. Additionally, the front brake pads of the vehicle may be inadequate for frequent, hard use due to their low wear rate. Replace them with high-quality pads to address poor braking performance.

Electrical System

Electrical System

The motorcycle’s electrical system may overheat, making it harder to start or run. It is important to regularly clean and service the motorcycle’s electrical system to prevent this from happening. Replacing worn or damaged parts like spark plugs and air filters is vital to keep your motorcycle running at its peak performance. The best way to ensure your motorcycle runs smoothly is to regularly check all its components for wear and tear and replace any necessary parts.

Engine Performance

One common problem with the Triumph Daytona 955i is its engine performance. Some owners have reported issues with the fuel light not accurately indicating the fuel level in the tank, which can be frustrating during long road trips.

However, overall, the Daytona 955i has been praised for its Brilliant bike performance and handling, making it a favorite among bike enthusiasts. We recommend consulting with a professional mechanic specializing in Triumph motorcycles to fix these engine performance issues. Reading bike reviews and forums can provide valuable insights and tips on addressing common faults and enhancing modern sports bikes’ performance.

Gearbox Problems

Your gearbox may not be shifting properly, which could lead to a loss of power and poor acceleration. If your speedometer reads higher than the odometer reading, it’s a good sign that your transmission is slipping. A worn or damaged gear set could also cause this issue.

The Triumph Daytona 955i’s starter clutch has caused problems, especially if it fails to engage. If the clutch fails to engage, the ignition system may not switch on, and the motorcycle may not start. Additionally, the starter clutch can wear out over time, causing it to fail to work properly. This means that you have to keep replacing it every few months.

Triumph Daytona 955i Fuel System Issues

Triumph Daytona 955i Fuel System Issues

Fuel tank issues are common in the Triumph Daytona 955i due to the use of ethanol-rich fuels. The high alcohol content in these fuel types can lead to corrosion and leaks in the fuel tank. If you notice a hole or crack in your Daytona fuel tank, it may be time to replace it. We should check the starter clutch for easy firing because it is known to be an issue with this model.

One of the bolts usually causes oil to leak from the right-side engine cover, which must be re-sealed. Additionally, if your Daytona has metallic paint, it’s important to note that it can become scratched or damaged easily. So, be careful when riding and always wear protective gear like a helmet.

Brake Problems

People know Daihatsu and other small-displacement motorcycles for their powerful brakes. But older models of the Speed Triple faced a rigid front brake problem caused by the brake calipers’ pistons. The stock brake pads preinstalled on most Speed Triples can cause a front brake issue. Daytona 955i owners should follow the owner manual’s oil change intervals to avoid cam chain tension issues.

Besides that, they may also experience other problems, such as smoothing clutch adjustment and starting problems. Many Daytona 955i owners take good care of their bikes and regularly change the oil, but it is still important to follow the manual’s recommended service intervals to ensure safe riding.

Suspension Issues

One of the most common issues with a Triumph Daytona 955i is suspension failure. This can occur due to wear and tear or a manufacturing defect. If your Daytona 955i is experiencing suspension issues, it could be due to a loose or worn stabilizer link.

Properly assembling the link, which connects the shock absorber to the rear subframe, is necessary for proper suspension function. Sometimes, you can easily replace this link by purchasing a new one from your local auto parts store. If your Daytona 955i suspension is still in good shape, consider inspecting the bushings for excessive wear and replacing them as necessary.

Heat Dissipation Problems

Heat Dissipation Problems

Heat dissipation problems in the Triumph Daytona 955i can cause various engine issues. It is vital to address these problems to ensure efficient engine performance and longevity. Some common heat dissipation problems in the Daytona 955i include wiring harness damage from water seeping into it, resulting in erratic electrical connections and intermittent operation of various systems. Also, poor heat dissipation can lead to the starter making a clicking noise and not starting the engine. The instrument cluster and odometer readings are acting erratically due to heat buildup.

To thoroughly evaluate and repair your Daytona 955i, try using a third-party brake pad designed to help with heat dissipation. This will help reduce the effects of overheating on your vehicle’s performance. Additionally, check all wiring connections and ensure they are secure. Finally, regularly check your radiator’s coolant level and condition to avoid overheating problems in the future.

Strategies For Resolving 955i Fuel System Issues

Poor fuel economy is one of the more common issues that can arise with a 955i fuel system. This is often due to a clogged or damaged fuel pump, resulting in diminished fuel flow to the engine. In addition, poor fuel economy can also be caused by damaged or improperly maintained fuel injectors. To resolve these issues, it’s essential to troubleshoot the fuel system and identify the source of the problem.

This may include removing and cleaning the gasoline tank, replacing worn or damaged components, and performing essential maintenance functions such as changing air filters and oil changes. Finally, it’s necessary to consider replacing the fuel pump if it’s experiencing frequent breakdowns or has been operating inefficiently for some time. These strategies will help resolve 955i fuel system issues and improve vehicle performance.

Is Triumph 955i Reliable?

Is Triumph 955i Reliable

Triumph 955i 2003 models have been known to start but not move. Many users have reported problems with the 955i Speed Triple starting. Issues have been reported with the Tiger 955i 02 Strange Starting Problem. There have been reports of adjusting the clutch to get the 955i running smoothly. Technical help for Triumph 955i has been available for repair and maintenance.


The Triumph Daytona 955i is a versatile bike with various uses. It can serve as a day-to-day commuter or an affordable alternative to more expensive sports bikes. Its handling and performance are well above its price point and relatively easy to maintain.

The 955i also has enough power and torque to satisfy most riders. While they might not be the most common motorcycle, they are still fairly easy to find and fix if you know what to look for. If you’re experiencing problems with your Triumph Daytona 955i bike, don’t hesitate to contact a professional mechanic. By doing so, you can get help resolving the issue as quickly as possible and avoid any further damage. Above are the Triumph Daytona 955i Problems, some common problems, and solutions that may help resolve them.


What Is The Fuel Economy Of A Daytona 955i?

By modern standards, the fuel economy of a Daytona 955i can vary depending on factors such as riding conditions and maintenance. On average, it can achieve around 35-40 miles per gallon (MPG) or approximately 14-17 kilometers per liter (KPL). This figure is measured at the rear wheel.

What Years Are The Daytona 955i?

The Daytona 955i was produced by Triumph from 1997 to 2006. It features a sporty riding position and is known for its powerful engine. The starter motor is an important component that helps start the motorcycle’s engine.

How Much Is A Triumph Daytona 955i?

The Triumph Daytona 955i is a British bike known for its performance and style. Prices for used models can vary depending on factors such as condition, mileage, and year. However, it’s important to note that some models may have electrical gremlins, so thorough inspections are recommended before purchasing.

What Is The Top Speed Of A Triumph ST 955i?

The top speed of a Triumph ST 955i is around 150 mph.

Why Did Triumph Stop Daytona?

Triumph discontinued the Daytona due to declining sales and a shift in market demand towards adventure and naked bikes. They decided to focus their resources on other models that were more popular and aligned with current market trends.

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