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Troubleshooting > Failures par brand > HONDA > HONDA MT > My HONDA MT 50 motorcycle is grazing

My 50 cc boxed HONDA MT 50 grazes

Your mà © caboîte 50cc HONDA MT grazes when you ride? This can be due to several issues. It is possible that your machine will graze when you are driving at 60km / hpar example, or when you are just starting out. In 90% of cases it is a problem gasoline. Indeed, if there is too much gasoline in your engine, it will be difficult for you to obtain optimal performance.

my HONDA MT 50 grazes at low revs

Your HONDA MT 50 grazes at low revs

If your HONDA MT 50 motorcycle grazes at low revs, the problem is most likely due to the carburettor. In fact, most of the time it is a main jet too small. It depends on the modifications you made to your HONDA MT 50 but you are probably too low in gas.

Example: You have a 50cc HONDA MT 50 motorcycle with a stock engine. You decide to install a new exhaust and a carburetor from 19. Your machine will graze at low revs if you leave the 75 (stock) jet on. Rather, it will be necessary to switch to a jet of 85, see 90 or 95.

It is also strongly recommended to check the good condition of your spark plug . If the problem persists, perform a carburetor adjustment. Finally, it can also be a cylinder head gasket damaged. In this case, it will have to be replaced (or have it replaced par a two-wheeler professional).

Your HONDA MT 50 motorcycle grazes at high revs

If your HONDA MT 50 motorcycle is grazing at high revs, the problem is also due to the carburettor. Indeed, most of the time it is a concern of gasoline. It depends on the modifications you have made to your HONDA MT 50 but you are surely too rich in gasoline.

Example: You have a HONDA MT 50 motorcycle with a stock engine and a 110 jet on your carburetor. At high revs, your machine has no more power and jerks when accelerating.

Start par check the condition of your spark plug, if it is black, this effectively means that you are too rich in petrol, you should try smaller nozzles. Going down from 5 to 5. Check the spark at the spark plug, the muffler (it may be clogged) and the condition of your air filter.

Also check the condition of your base gasket. Indeed if the latter is damaged, air arrives and this can cause your HONDA MT 50 to graze.

Finally, be sure to put quality gasoline, this can be one of the causes of a grazing HONDA MT 50.

my HONDA MT 50 grazes at high revs
my HONDA MT 50 grazes at half throttle

Your HONDA MT 50 grazes at half throttle

If your HONDA MT 50 motorcycle grazes at half throttle, the problem is most likely due to the carburettor. It is imperative to carry out a carburetor adjustment.

Start par adjust the richness screw while increasing the jet from 2 points to 2 points. You will quickly find the right compromise for your carburetor.

Finally, you can carry out an adjustment of carburetor needle (take it up a notch par example).

An electronic problem can also be the cause of a motorcycle that grazes at mid revs. Check the condition of the CDI box, electronic clamping and ignition if necessary.


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