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GUIDE: My XNUMX MBK motorcycle does not go up in the towers, what should I do? - XNUMXfactory .comYour MBK XNUMXcc does not go up in the towers and you cannot find the fault. We help you and offer you the necessary parts for the repair of your two wheels. 
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Moto XNUMX 
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Dirt , Pit Bike 
Moto XNUMX 
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maxi scooter 
Vespa Troubleshooting > Failures par brand > MBK > My MBK XNUMX motorcycle does not go up in the towers
My MBK XNUMX motorcycle does not go up in the towers Your mà © caboîte XNUMXcc MBK does not go up in the towers? This can be due to several issues. It is possible that your machine does not go up in the towers when you are riding, but also when you accelerate into neutral. In most cases this is a problem carburetion, intake problem. Indeed, if your carburetor does not let in enough gasoline, it can prevent your machine from going up in the revs. It may also be a problem with ignition , or with CDI or with the oil filter .
Your MBK XNUMX motorcycle does not go up in the towers? If you find that your XNUMXcc MBK motorcycle does not go up in the revs, very often it is a problem related to the carburettor :
- You may be too rich in gasoline, there is not enough air coming in. In this case, try switching to a smaller nozzle (we recommend that you buy a multiple sprinkler kit , in order to be able to find the appropriate dimension).
- Your carburettor may not be adapted to the configuration of your machine (if you have changed exhaust par example). Try switching to a bigger carburetor (example: replace a XNUMX par a carb of XNUMX).
In all cases, we advise you to carry out a carburetor adjustment. This operation is quite complex, do not hesitate to contact a professional of two wheels!
The carburetor is good but your MBK XNUMX motorcycle still does not go up in the towers? If despite all the carburetion checks your MBK still does not go up in the towers, here are several points to check:
- ignition may be faulty, or improperly seated. Take it down and check its correct position.
- CDI may be clamped (this is more often the case on recent models). Debride z-it or get yourself a new, more efficient model.
- There may be play in the crankshaft . Handling is complex, ask a professional or consult our tutorial to replace a crankshaft.
- The fuel filter may be dirty. Clean it or replace it.
- Candle et the antiparasite can sometimes malfunction. Check if there is spark at the candle (Unscrew the spark plug then let it touch a cylinder screw (be careful to hold it with pliers to avoid taking current). Kick (or press the starter) to see if there is has spark at the candle) . If that doesn't work, replace your spark plug and suppressor.
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