Top 5 Moto Guzzi MGX 21 Problems with solutions

Among many, the Moto Guzzi MGX 21 has electrical wiring problems, which causes its headlights to malfunction. The interiors of the storage section are uneven, often allowing riders to have less space. Also, the MGX 21 brakes directly affect the performance, sometimes stopping the bike.

There are more Moto Guzzi MGX 21 problems that affect the bagger’s riding experience. They will constantly make you question. How do you troubleshoot them and fix them?

Troubleshooting And Fix For Moto Guzzi MGX 21 Problems

The powerful Moto Guzzi MGX 21 needs to be constantly checked for problems. You will need to troubleshoot the problems once they appear and fix them accordingly.

Here is a list of the most frequent issues that Moto Guzzi MGX 21 riders have faced:

1. Electrical connection issues

Electrical connection fault is a common mishap in Moto Guzzi MGX 21. Bad ground wiring can cause electrical appliances, like headlights, and speedometer, to not work in the Moto Guzzi.

Problems could look like the lights not turning on or hearing audible single clicks after the MGX 21 is switched on. 

If you face this issue, take this issue seriously and immediately take action. Remove the negative terminal of the battery first and then look over every electrical connection.

If you notice one, remember to change the wiring and fix it. Then, restart your vehicle and see whether everything is working or not. Wires are not expensive, and you could get away with 10-20 bucks.

2. Faulty Brakes/ Master Cylinder

This problem of the MGX 21 causes the bike to slow down or even stop. Oftentimes, due to the front brake master cylinder malfunctioning, the MGX 21 riding performance is halted.

A reason for this issue can be found in the lever stroke mechanism. The front brake master cylinder might be providing ineffective lever stroke, directly affecting the bike’s braking effect.

Once this problem hits, you might have a tough time walking your MGX 21, even in the neutral position. 

Riding would also become far more difficult. Once you take it to the mechanic, replacing the master cylinder will do the fix for you.

The component will take you around 50 bucks to buy. The master cylinder should be available at any nearby automotive store.

Read Also: 5 Common Triumph Thruxton 900 Problems + Troubleshooting

3. Windshielding not blocking enough air on Moto Guzzi MGX 21

Based on the stock geometry of the Moto Guzzi MGX 21 windshield, it does not deflect much wind. While riding the bagger, the winds become a major problem.

Due to the dip in the middle of the windshield, the air gusts can hit your face and your helmet while riding, causing discomfort at times. 

If you feel discomfort while riding, here is a list of multiple windshield types you could choose from for changing:

  • Touring 
  • Standard 
  • Sports 
  • Universal 

The Moto Guzzi MGX 21’s windshield replacement can be relatively expensive as the prices go up to 200 dollars. However, an investment in the windshield can surely improve your riding experience.

Read Also: Triumph America Problems: 5 Potential Issues And Their Fixes

4. Transmission Issue of the Moto Guzzi MGX 21

The transmission of the Moto Guzzi can show problems while riding at lower speeds. Since the MGX 21 uses a shaft drive 6-speed manual transmission, it constantly requires inputs at low speeds.

When the MGX 21 is unable to send the inputs, the rider may experience abnormal noises, clutch failures, and so on. Once this issue appears, take your vehicle out for troubleshooting to a mechanic.

Transmission replacements can get expensive as the prices of parts vary. However, you can assume that the price could vary from anywhere between 30 to 300 dollars.

5. Shortage Problem of the Moto Guzzi MGX 21

The side storage of the MGX 21 appears to be problematic due to its uneven interior. The uneven shape creates less storage to put inside the box.

Plus, the location of the storage box causes items to fall out of it if the rider is not careful while opening it. You can add extra storage to counter this problem which will cost you about $800.

Engine Issues of the Moto Guzzi MGX 21

Among the major issues, the engine problem is a constant. Some have faced this weird noise issue, while others had turbulence issues. MGX owners might not be bothered by them, but the problems can get annoying.

For the sound issues, you can remove the tank driver and clean the clogged pipelines. Generally, the issue arises from clogged lines. You can also try visiting a mechanic who can aid you with such problems.

Read Also: Triumph Tiger 955i Problems: Know Causes and Solutions

Tips To Prevent Problems on Moto Guzzi MGX 21?

Since we have discussed the causation and fixation of problems for MGX 21, it is time for prevention. Here is a list of advice you should follow to keep your bagger away from these problems.

  • Always clean your bike every fortnight or after a long ride. This shall prevent the compartments from clogging.
  • Keep your bike in the shade or a cool environment. If you are on the road, try to park the MGX 21 in the shade.
  • Remember to change the oil in the tank of MGX 21 before riding if it is used for a short time.
  • Frequently glance over all the bolts and connections to check whether they are in the correct place.
  • Lubricate the chain of Guzzi MGX 21 every fortnight to prevent mechanical wear of other components.
Tips To Prevent Problems on Moto Guzzi MGX 21
Tips To Prevent Problems on Moto Guzzi MGX 21

Should You Buy Used Moto Guzzi MGX 21?

This topic does not have a concrete answer since it depends on multiple factors. Here is a list of the major factors that influence this answer:

  • For how long has the Moto Guzzi MGX 21 been used?
  • How much mileage has been traveled with the vehicle?
  • Price versus Condition ratio – is the condition good enough for the price the dealer is charging?
  • Are the brakes working properly or not?
  • Are there any overheating issues with the engine?

If you were to receive a positive answer to all the questions asked here, we would firmly advise you to buy the used model. However, do take your MGX 21 for maintenance checks often.

Read Also: 5 Known Janus Motorcycle Problems And Their Solutions

Frequently asked Questions

Let’s explore some common questions so you learn more and clear your doubt further.

How Frequently Would You Face Problems On The Moto Guzzi MGX 21?

This shall depend totally on you. If you take good care of the Moto Guzzi MGX 21, problems should not arrive that easily. However, if you do not take good care, problems can come almost every week.

Are Moto Guzzi MGX 21 Baggers Reliable?

Yes, Moto Guzzi MGX 21 are certainly reliable as they provide great space. The ride is comfortable, and the exterior is well-built. However, for it to remain reliable, we advise you to do regular maintenance.

What Is The Price Of The Moto Guzzi MGX 21 Bagger?

The Moto Guzzi MGX 21 comes at a staggering price of around $350,000. However, the prices can vary depending on your location and the condition you are buying the MGX 21.

How Frequently Should You Take Your MGX 21 For Maintenance Checks?

We advise you to take the MGX 21 on maintenance checks almost every 2 weeks. This shall keep your bike fresh and problem-free for a long time.


Moto Guzzi MGX 21 is a versatile beast that is capable of hitting long roads and has room for personal customization. 

We hope that we were able to help you out with the problems. Tweak it to your needs and hit the road like there’s no tomorrow! We wish you all the very best!

Read Also: Top 4 Moto Guzzi V85TT Problems With Proven Solutions 

Similar Posts