2004 Derbi Senda SM 125 4T Logo

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Posted on Sep 23, 2009
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Bike sometimes runs ok then runs out of power try to accelerate but nothing happens then cuts out

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  • Master 1,167 Answers
  • Posted on Sep 23, 2009
Anonymous
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Joined: Apr 03, 2009
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Try a different plug or a new one and get back to me

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Hi I have 97 600 Srad I got new carbs cleaned them got bike started after many years not running but would only run on choke cut out if choke was not on but run not to bad had to use jump leads from...

You need to check if the main fuse isn't blown and also try to source a motorcycle battery, then check if there is spark to the plugs.
Sometimes electrical components on bikes that were stored for long periods of time work only for a few minutes and then they give up the ghost, same as old tv's etc.
But yeah check all fuses because at least the ignition light or oil light, neutral etc needs to turn on. Good luck!
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Sometimes will not downshift into any gear.

Hi, When you shift do you have high RPMs. Try lowering RPMs when you shift.
Also you said it gets warm. Try using a different oil (heavier oil). Hope that helps.
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Sometimes will not downshift into any gear.

try changing and using the correct oil in the clutch section of the transmission or transmission proper
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I HAVE A 100CC 2 STROKE QUAD BIKE;STARTS AND TICKS OVER OK.BUT SIT ON IT AND TRY TO ACCELERATE IT HAS NO POWER AND CUTS OUT,YET IF YOU HOLD THE BSACK WHEELS OFF THE GROUND AND ACCELERATE IT WORKS FINE.ANY...

I have an apache 100cc it kick 1st time but when I cut out its hard to re start sometimes is doesnt start up again til next day. I've changed the spark plug, carburettor and ignition coil and still the same. Has a full tank of petrol, fresh oil and 2 stroke. Plus when it does start it doesn't move at all. I have no idea what else I can do any help please? Much appreciate
Jul 30, 2013 • Motorcycles
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I have NO POWER! When I turn the key to the on position nothing happens, no dash lights or anything. Checked the connections and nothing seems to be loose.

Check your battery is holding a charge. First remove it and charge off the bike at a "Trickle" charge for a bout 24 hours. then refit and try and start the bike, if it starts you need to check it is charging. The voltage when running (measured at the battery) should be in the region of 14 volts DC. If it lower than this you have a problem with the regulator, redctifier or alternator. In which case I would suggest you get an electrician to look at it to ascertain to faulty part.
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2001 yamaha ttr 250, starts, idles ok, bogs at acceleration

Has the bike been stored for any long length of time?
old fuel in the carburetor will turn to a varnish like residue blocking the jets,or possibly water in the carburetor.
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Cylinders possibly cutting out, loss of power when accelerating

fuel problem the flots are a bit sticky and the bike is flooding under power this is a common problem

hope this helps

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