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1985 YAMAHA 70 HP

J

jojoe

New member
My motor lost power and I foun

My motor lost power and I found it to only be firing on one plug the other two nothing. Any one know where to start checking ? Thanks
 
"first is look into the spark

"first is look into the spark plug leads
then try swaping coils, check grounds
then test triggers
test cdi output"
 
Checked coils and wiring all o

Checked coils and wiring all ok went and picked up the sealock book big mistake this cdi is not covered do you by any chance know what wires to check and what the meter should read? yamaha 1985 70 hp. Thanks Chuck
 
"coils
less than 1 ohm

sen

"coils
less than 1 ohm

sencondary is like 5K, going from coil ground to end of spark plug lead"
 
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