Question about 2000 Yamaha YZF Thunder ace 1000 R

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Motor bike wont rev above idle weth choke on

Starts ok with the choke on worms up take choke off and it stalls if i try to rev it stalls

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  • 5 more comments 
  • Anonymous Mar 02, 2009

    I have a suzuki gsx 250 that runs ok on idle but wont rev when i open the throttle

  • Rob Selvy
    Rob Selvy May 11, 2010

    did you take the air box off? Have you modified the stock air filter assembly at all?
    Has the bike been sitting for any length of time?
    Please answer these questions and I can give you the help you need.

  • William Baum Aug 20, 2013

    bike is original and yes has set for 11 months

  • Anonymous Mar 14, 2014

    my bike starts and idle but wont rev up

  • Anonymous Mar 16, 2014

    The motor cycle is not starting. Using choke or no choke, the dirt bike does not turn over. It has not been used for a bout 6 months

  • Anonymous Mar 28, 2014

    bike stalls when hot if you don't keep the revs up

  • Anonymous Mar 29, 2014

    Bike will start and idle but will not rev and stall out

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  • 261 Answers

This to me sounds like you need a carb cleaning. If you have let the bike sit for an extended time the carberators maybe clogged or gummed up. This has to do with the new gas that is out there now. It is cheap and with the introduction of Ethanol alcohol now it is even worse on being stable for long periods of time. I have seen fuel go bad in as little as 3 weeks.. One quick check you can do is open you fuel tank and smell the fuel. IF it smells like varnish it is probably bad. You can drain the tank and add new fuel and that should solve your problem. Keep in mind, that the carbs need to be drained as well to get the old fuel out of there also. Make sure you have a battery charger going when you start crankin that puppy, because you will need lots of extra juice to get that baby to fire up. If it is starting now and runs on choke, that means your idle jets are clogged. Best repair is to remove carbs and clean idle jet. Unless it is fuel injected.
Let me know how that goes and we can proceed from this point. I am a certified mechanic from MMI as well as a HDTV GURU. Smiles. have a good one.

Posted on Dec 07, 2008

  • SanzA Jan 02, 2017

    Tomorrow I will try to clean my carb and see what will happen I'll let you know and thanx for your help guys plz help me

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