Question about 2008 Yamaha YZF-R125

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I can not get my yamaha blaster to idle have

I can not get my yamaha blaster to idle have stripped carb and cleaned but it still wont ildle

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  • Anonymous Mar 14, 2014

    how to strip and clean carburtor

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  • Yamaha Master
  • 3,433 Answers

Make sure you have no vacuum leaks and the idle screw is turn up. Then adjust the a/f ratio screw to highest idle, turn down the idle screw and repeat until a/f screw makes no change. At that point you set your idle speed.

Posted on Nov 12, 2009

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Posted on Jan 02, 2017

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ALWAYS have a fire extinguisher on hand when working on carburetors.
Remove the water trap bowl at the bottom of the petcock, (gas valve). Is there any water or trash in the bowl? Drain a cup of gas from the tank. Is there any water or trash in the cup? Dump it, clean it and re-mount it, ( not all bikes have a water trap bowl ).

Drain the carburetor. There should be a screw on the lower side of the carb float bowl. Remove the screw then replace it after the fuel drains. Turn the gas back on and wait a minute for the carb to fill with gas. Install a new stock NGK spark plug and try to start the engine. If the bike doesn't start and run properly then shut off the gas and remove the carburetor from the engine.

Remove the float bowl and clean the entire carb with a spray carb cleaner from the auto parts store. Wear protective goggles to avoid getting spray in your eyes. Spray into all the little airways and fittings in the carb.
Before putting the slide back in the throat of the carb, move the clip on the jet needle one notch lower. Put the rest of the carb back together, clean the air filter and install the carb. Let the float bowl fill then start the engine. This process should get you back on the road.

849880b.gif Please rate this solution. Thanks!

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