The Yamaha MT-07, a naked middleweight motorcycle, has captivated riders worldwide with its torquey parallel-twin engine, agile handling, and affordable price point. It's a favorite among both new and experienced riders. However, like any machine, the MT-07 isn't without its quirks and potential issues. Understanding these common problems can help you make an informed purchase, maintain your bike effectively, and potentially prevent costly repairs down the road. Let's dive into the most frequently encountered issues with the MT-07.

Suspension Woes: A Bumpy Ride?

One of the most consistent criticisms leveled against the MT-07, particularly the earlier models (pre-2021), revolves around its suspension. Many riders find the stock suspension too soft and underdamped, especially for aggressive riding or carrying a passenger.

  • The Problem: The front forks lack adjustability, and the rear shock offers only preload adjustment. This limits your ability to fine-tune the suspension to your weight, riding style, and road conditions. The soft springs can lead to excessive dive under braking, wallowing in corners, and a generally unsettled feeling, especially on rough roads.
  • Why it Matters: Poor suspension compromises handling, comfort, and safety. It can make the bike feel less planted and responsive, potentially leading to a loss of control, especially in emergency situations.
  • The Fix: Fortunately, there are several aftermarket solutions available.
    • Fork Upgrades: Options range from replacing the fork internals with stiffer springs and emulators to installing complete cartridge kits. Cartridge kits offer the most significant improvement in performance and adjustability, but they also come with a higher price tag.
    • Rear Shock Replacement: A better rear shock with adjustable preload, rebound damping, and compression damping can dramatically improve the bike's handling and comfort. Brands like Öhlins, YSS, and Nitron offer suitable replacements.
    • Budget-Friendly Options: For riders on a tighter budget, simply replacing the fork springs with stiffer ones and using a heavier fork oil can provide a noticeable improvement over the stock setup.

Fueling Frustrations: Jerky Throttle Response

Another common complaint, particularly on earlier MT-07 models, is the abrupt and jerky throttle response, especially at low speeds and in the lower gears.

  • The Problem: This issue often manifests as a sudden surge of power when opening the throttle, making it difficult to maintain smooth and consistent acceleration, especially in stop-and-go traffic or when navigating tight corners. This can be particularly challenging for newer riders.
  • Why it Matters: A jerky throttle can make the bike feel unpredictable and difficult to control, increasing the risk of accidental wheelies or loss of traction, especially in wet conditions. It also contributes to rider fatigue and discomfort.
  • The Fix: Several solutions can help smooth out the throttle response:
    • ECU Remapping: A professional ECU remap can optimize the fuel and ignition curves, resulting in a smoother and more linear throttle response. This is often considered the most effective solution.
    • Throttle Position Sensor (TPS) Adjustment: Sometimes, a simple adjustment of the TPS can improve throttle response. This is a relatively easy and inexpensive fix that can be done at home with the proper tools and instructions.
    • Throttle Dampers/Smoothers: Aftermarket throttle dampers, sometimes called throttle smoothers, can help reduce the abruptness of the throttle by adding resistance to the throttle cable.
    • Ride-by-Wire (2021+ Models): The updated MT-07 models from 2021 onwards feature ride-by-wire throttle control, which significantly improves throttle response compared to the earlier cable-operated systems.

Corrosion Concerns: Battling the Elements

While the MT-07 is generally a well-built motorcycle, some owners have reported issues with corrosion, particularly on bikes that are ridden in harsh weather conditions or stored outdoors.

  • The Problem: Corrosion can affect various parts of the bike, including the frame, engine components, exhaust system, and electrical connectors. This can lead to cosmetic damage, reduced performance, and even mechanical failures.
  • Why it Matters: Corrosion weakens components, reduces their lifespan, and can ultimately compromise the bike's reliability and safety. It can also significantly decrease the bike's resale value.
  • The Fix: Prevention is key to combating corrosion:
    • Regular Cleaning: Wash your bike regularly, especially after riding in wet or salty conditions. Use a motorcycle-specific cleaner and degreaser to remove dirt, grime, and road salt.
    • Protective Sprays: Apply a corrosion inhibitor spray to vulnerable areas, such as the frame, engine components, and electrical connectors.
    • Proper Storage: Store your bike indoors, if possible, to protect it from the elements. If you must store it outdoors, cover it with a waterproof and breathable motorcycle cover.
    • Grease: Use dielectric grease on electrical connections to prevent corrosion.

Electrical Gremlins: A Spark of Trouble

While not as prevalent as the suspension or fueling issues, some MT-07 owners have reported experiencing minor electrical problems.

  • The Problem: These issues can range from intermittent sensor failures to problems with the charging system or lighting. Loose connectors, damaged wiring, or faulty components can all contribute to electrical gremlins.
  • Why it Matters: Electrical problems can be frustrating to diagnose and repair. They can also lead to more serious issues, such as a dead battery, engine misfires, or even a complete shutdown of the bike.
  • The Fix:
    • Regular Inspection: Inspect the wiring harness and electrical connectors regularly for signs of damage or corrosion.
    • Secure Connections: Ensure that all electrical connections are clean, tight, and properly secured.
    • Battery Maintenance: Maintain the battery properly by keeping it charged and clean.
    • Professional Diagnosis: If you experience persistent electrical problems, it's best to consult a qualified motorcycle mechanic for diagnosis and repair.

Clutch Chatter: A Grumbling Transmission

Some MT-07 owners, particularly those who ride aggressively or frequently use the clutch in stop-and-go traffic, have reported experiencing clutch chatter or slippage.

  • The Problem: Clutch chatter is a vibration or juddering felt during clutch engagement, while clutch slippage is when the clutch fails to fully engage, resulting in a loss of power.
  • Why it Matters: Clutch chatter can be annoying and can also indicate wear or damage to the clutch components. Clutch slippage can significantly reduce the bike's performance and can eventually lead to complete clutch failure.
  • The Fix:
    • Clutch Cable Adjustment: Ensure that the clutch cable is properly adjusted. Too much slack can cause slippage, while too little slack can cause chatter.
    • Clutch Plate Inspection: Inspect the clutch plates for wear or damage. If the plates are worn or glazed, they should be replaced.
    • Clutch Spring Replacement: Replace the clutch springs if they are weak or damaged.
    • Oil Type: Using the correct type of oil is crucial. Some oils can cause clutch slippage.

Brakes: Stopping Power Concerns

While the brakes on the MT-07 are generally adequate for street riding, some riders, especially those who ride aggressively or track the bike, find them lacking in power and feel.

  • The Problem: The stock brakes can feel spongy and require a significant amount of lever pressure to achieve strong braking performance.
  • Why it Matters: Inadequate braking performance can compromise safety, especially in emergency situations.
  • The Fix:
    • Brake Pad Upgrade: Upgrading to higher-performance brake pads can significantly improve braking power and feel.
    • Steel Braided Brake Lines: Replacing the stock rubber brake lines with steel braided lines can reduce brake line expansion, resulting in a firmer and more responsive brake lever.
    • Brake Master Cylinder Upgrade: Upgrading to a higher-performance brake master cylinder can further improve braking power and feel.
    • Bleeding the Brakes: Ensure the brake lines are properly bled to remove any air bubbles, which can cause a spongy feel.

Frequently Asked Questions

  • Is the MT-07 reliable? Yes, the MT-07 is generally considered a reliable motorcycle with a robust engine. Regular maintenance is key to long-term reliability.

  • Is the suspension really that bad? For casual riding, it's adequate, but for aggressive riding or carrying a passenger, the stock suspension is often considered too soft.

  • What year MT-07 is the best? The 2021+ models with the updated ride-by-wire throttle and styling are often preferred, but earlier models are still excellent bikes.

  • How much does it cost to upgrade the suspension? It varies, but budget around $300-$500 for fork springs and a rear shock, and $800-$1500+ for higher-end cartridge kits and shocks.

  • Can I fix the jerky throttle myself? Some minor adjustments, like the TPS, can be done at home, but an ECU remap is best left to a professional.

In conclusion, while the Yamaha MT-07 is an outstanding motorcycle, being aware of these potential issues empowers you to address them proactively and keep your bike running smoothly. By understanding these common problems and their solutions, you can ensure that your MT-07 provides you with years of enjoyable and trouble-free riding.