Any older yamaha pros?

Vlabruzzo

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Jun 11, 2020
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Age
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Location
Long Island
Model
Tournament 225
I have a no spark Issue on a 1991 225 txrp. Stator and pulsar ohm out good. The manual gives a chart to test the cdi and it doesn't make any sense.
If i unplug the yellow bypass wire it starts rightup. Plug it in it stalls. Occasionally it will start with the system normal. I had it running normal amdrew tapped the cdi amd it stalled. I would like to test it to make sure. Other issue is the cdi isn't available so I need to find used.
 

blindmullet

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Oct 19, 2015
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Florida
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Explorer
I bought the CDI tester that plugs into the meter for a 115 Yamaha that I had on my little boat. Going through the testing procedure I found that only 2 plugs were firing. I thought I bought a refurb unit.
 
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