Question about KTM Motorcycles
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Posted on Jan 02, 2017
SOURCE: quad bike keeps cutting out
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 may 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. 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. Remove the idle screw and the air screw on the outside throat of the carb and spray into the screw holes as well.
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Be sure to put these two screws back in the same hole they came out of. IMPORTANT > do not tighten these two adjusters down. Only screw these in until they LIGHTLY seat. Now turn each adjuster one and one half turns outward. 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.
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Posted on May 17, 2009
check vale clearins if that fails check statour / pick up . make shour it hasent broke the woodruf key in the fiy wheel
Posted on Jun 07, 2009
hi, if the 2007/2008 r1 spins fast but chgs and has to be coakst with the throttle to keep running and cuts out when the throttle is closed then it maybee due to the battery, i have fixed lots of them now afterm much fault finding by fitting a new genuine or yuasa battery. The problem is that all the power is being used to spin the engine and even once started there is not enough voltage to fire the spark and injectors properly and the charging system has not yet been able to pull the battery up. REPLACE THE BATTERY IT WILL SORT IT, PAUL (YAMAHA DEALER)
Posted on Feb 14, 2010
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