Guest Posted November 11, 2008 Posted November 11, 2008 hi i have a problem with my dna 125 can someone please helpit keeps loosing power at about 50mph where it used to go 75 but does not cut out it sorts of keep jumping if i leave the throttle onthese are the things the garage and i have done tested etcnew airbox and manifold - done as splitnew hd lead sparkplug coil tried see if betterfuel tap and pump and filter tried see if bettercarb bowl and jets have been looked at just checked my garageplease help me please what else can it be Quote
Guest Posted November 13, 2008 Posted November 13, 2008 i asked the garage whether it would be to lean or rich but they said they would not think soit has an automatic choke on it do you know if this will cause any problemsthanks Quote
rennie Posted November 14, 2008 Posted November 14, 2008 hello tris and welcome to tmbfstick a post in newbies and introduce yourselfi know nothing about gilera's is it 2 or 4 stroke?if 2 stroke it could need de-coking or even re-boring!i suppose the choke could be sticking.i'm sure someone will have more ideas Quote
Guest Posted November 16, 2008 Posted November 16, 2008 how will i know if my engine is to lean or rich please help Quote
rennie Posted November 16, 2008 Posted November 16, 2008 look at end of exhaust, is it all black and oily?---richlook at spark plugdoes bike smell strongly of petrol when it's been running? Quote
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