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Dt 250 1972 no spark

  • hbbdiesel
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Dt 250 1972 no spark was created by hbbdiesel

Good day, need advise , i have light on my test light on both green and black , but no spark on the plug, my key is on , what my next steep?
Thank
23 Nov 2019 10:27 #1

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Replied by shyted on topic Dt 250 1972 no spark

Hello hbdiesel.
Pull the generator cover off and see if you get a spark at the points .
No Spark?
Then the next step would be to down load the correct manual from the TECH section on the title bar of the forum header, for your motorcycle and follow the test procedures .
There's also several Vlogs on the internet showing the testing of ignition items on you tube. They test points and condenser, ignition timing,field winding's on the source coil and testing the HT & LT sides of the coil
That should point you in the right direction chief .
Regards Ted.
24 Nov 2019 02:06 #2

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Replied by hbbdiesel on topic Dt 250 1972 no spark

I spin the engine whit à drill ,i have power at the entry to the coil, but nothing after the coil to the Spark plug.this make me think my coil is cook. This bike was nut running when i got It.i change the point plate condenser from a identical bike,put back the flywheel magneto.
Just not shure if is the coil for sure.my service manual is for a dt1 my bike is a 1972 250 my serial numéro start whit dt1fxxxxxx whitch manual should i use? Thank.
24 Nov 2019 13:45 #3

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Replied by bluntz465 on topic Dt 250 1972 no spark

Try a known good plug
1957 Cushman Eagle 1969 Honda 90 ATC 1969 Honda CB250
1973 Yamaha AT3 1974 Kawasaki KH440 1974 Honda XR75
1975 Suzuki TS75 1975 Kawasaki GreenStreak 90 1975 Suzuki GT550
1975 Suzuki TS250 1976 Suzuki GT550 1976 Indian Chief
1976 Yamaha YZ80 1978 Yamaha IT175 1980 Suzuki GS550
1982 Yamaha IT465J
24 Nov 2019 15:18 #4

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Replied by shyted on topic Dt 250 1972 no spark

71-73 DT & RT (250cc-360cc) Service Manual
Go to the service manuals and look for this heading.
I copied it directly and pasted it here.
It should give you a test to do on the coil with a multimeter
24 Nov 2019 16:43 #5

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