Have a Yamaha 175 DT E m/cycle.No spark at plug?

B

B.F.L.

New member
Check the obvious first.

1 replace the plugs
2 replace the wires
3 check for spark
4 If still no spark, check for power going to coil, If there is power going to coil, it is probably a bad coil
5 if no power to coil, keep working back until you find the problem. (check the fuse)
 
Check the obvious first.

1 replace the plugs
2 replace the wires
3 check for spark
4 If still no spark, check for power going to coil, If there is power going to coil, it is probably a bad coil
5 if no power to coil, keep working back until you find the problem. (check the fuse)
 
I checked oms valu for Source coil, lighting coil asnd ignition coil.All are within book value.All wires to CDI box checked .Still no fire from coil.The orange wire,from cdi to coil, when I crank ,no current
 
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