Bike only getting power on high rpm

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Svajus
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Real Name: Svajūnas
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My Motorcycle: 2005 Derbi Senda

Bike only getting power on high rpm

#1 Unread post by Svajus »

I ride a 2005 derbi senda, it has a 70cc airsal engine and a 12,5 mm carb and it only gets normal power at higher rpm. I can go about 60km/h and it sudently starts to scream and gets up to 80-90km/h ir a few seconds, I know that changing a carburator would fix it but is there anything else I can do?
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Miles_Ha11
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Real Name: Miles Hall
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Re: Bike only getting power on high rpm

#2 Unread post by Miles_Ha11 »

Try to check your fuel filter this is one of the common reasons why you are experiencing this problem.
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KayBur
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Re: Bike only getting power on high rpm

#3 Unread post by KayBur »

I recommend cleaning the fuel filter and changing the fuel used. If it contaminates motorcycle parts, then it is clearly not suitable for use.
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Svajus
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Re: Bike only getting power on high rpm

#4 Unread post by Svajus »

KayBur wrote: ↑Thu Apr 08, 2021 4:24 am I recommend cleaning the fuel filter and changing the fuel used. If it contaminates motorcycle parts, then it is clearly not suitable for use.
The fuel is good, i mix it up myself, but what does fuel have to do with a bike getting a lot of power at mid rpm?
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