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Troubleshooting > Failures par brand > MSA > My motorcycle MSA 50 gets too hot

My motorcycle MSA Box gets too hot

Your mà © caboîte 50cc MSA too hot in the cylinder? This can be due to several issues. It is possible that your machine heats up too much after driving for a long time and at a fast pace, or vice versa, that it heats up too much after barely 10 km / h. In most cases this is a problem of coolant. Indeed, the latter may be too old or the level not good. It may also be a problem with the cylinder or water pump. Please note, this type of failure only concerns box models fitted with a liquid (and not air) cooling system.

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Your motorbike MSA too hot?

If you find that your motorcycle with a box MSA too hot in the cylinder, this is usually a problem related to the coolant :

- The coolant level is not correct. Fill up with coolant up to the line indicated on the expansion tank.

- The coolant is too old. Indeed, if your liquid has been in the expansion tank, it can overheat your cane. Replace it.

In any case, we advise you to perform a coolant drain in order to obtain optimal driving conditions and not to damage your box. MSA. To drain your coolant, disconnect the hose at the lowest point then open the expansion tank and refuel.

Warning: a cylinder that heats too much can cause your machine to tighten!

Your 50cc MSA gets too hot, even with recent coolant?

If the cylinder of your MSA is still hot even after draining your coolant, there could be several issues:

- La water pump or radiator are HS. Check them, and replace them if necessary.

- The carburettor is not set correctly. In this case, perform a carburetor adjustment or contact a professional to do it.

- The thermostat is HS. Many people decide to remove it altogether. We recommend that you replace it.

- The base gasket or cylinder are HS. This is a more serious failure. But if necessary, proceed with a complete replacement of your cylinder.

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