Question about 2004 Yamaha DT 125 R
Your description sounds like a fuel related issue. Try connecting an external fuel source and test again. there is a screen in the fuel tank that gets plugged, and so does the filter... If external source does not help, look into the carb(s).
Carry an extra spark plug, and when failure happens, pull the plug wire and hook it to the extra plug, and ground the plug against the engine.....does it spark? If it has a good spark, the ignition is not likely your issue. If spark is very poor, ignition heat issues may need to be addressed.
Posted on Mar 22, 2011
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Posted on Jan 02, 2017
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