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Troubleshooting > Failures par brand > ZIPP > My motorcycle ZIPP 50 grazes

My boxed ZIPP 50 grazes

Your mà © caboîte 50cc ZIPP 50 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.

ma ZIPP 50 grazes at low speed

Your ZIPP 50 grazes at low speed

If your motorcycle ZIPP 50 grazes at low speed, the problem is surely due to the carburettor. In fact, most of the time it is a main jet too small. It depends on the changes you have made to your ZIPP 50 but you are probably too poor in gasoline.

Example: You have a motorcycle 50cc ZIPP 50 with an original engine. You decide to install a new exhaust and a 19 carburetor. Your machine will graze at low speed if you leave the nozzle on 75 (original). It will rather be necessary to pass on 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 motorbike ZIPP 50 grazes at high speed

If your motorcycle ZIPP 50 grazes at high speed, the problem is also due to carburettor. Indeed, most of the time it is a matter of gasoline. It depends on the changes you have made to your ZIPP 50 but you are surely too rich in gasoline.

Example: You have a motorbike ZIPP 50 with an original engine and a nozzle of 110 on your carburetor. At high revs, your machine has no more power and gives jerk 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 make your ZIPP50.

Finally, be sure to put quality gasoline, this can be one of the causes of a ZIPP 50 who grazes.

ma ZIPP 50 grazes at high speed
ma ZIPP 50 grazes at mid-speed

Your ZIPP 50 grazes at half speed

If your motorcycle ZIPP 50 grazes at mid-speed, the problem is probably 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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