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BF250 RPM hesitating

wajira

Regular Contributor
BF250 2014 engine 500Hrs run, RPM Hesitating between 3000 to 4500 , when the control keep steady rpm start hesitating aprox 200-300 rpm up and down. but after 4500 no problem and no any problem at WOT,

recently did maintenance service,

Fuel filters and spark plugs are replaced,

feel like fuel prob but where to touch its new engine only 3 month old.


anybody had same problem with BF250 ?



wajira
 
Fuel pressure is ok, pressure regulator functioning ok, fuel discharge volume is ok,

vacuum pipe all ok,

having same problem with 4 engines

wajira
 
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