Starter wiring diagram
SOURCE: 02 Yamaha xvs 650 dragstar classic that misfires when it warms up
First I would change all the spark plugs, and if that didn't make a difference then it sounds like the coil(s) are warming up and breaking down........when it starts to skip take a good pair of pliers with good rubber on them and pull each spark plug wire, when you get to the one that the running doesn't change then I would replace that particular coil
SOURCE: xvs 650 drag star has been sitting in garage over
test the battery if its bad charging it will not help.next clean all the power cables at both ends,especialy from start relay to battery. if the battery is sure enough good the start relay may need to be replaced.
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