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Hi Folks, I have a 87 125 Honda 4 trax. Put on new carb and changed oil. Bike started right up for about 20 secs then died as choke was pushed back in. Started one more time and the same thing happened in abou10 secs. Plug is wet every time I check it. When grounding plug and turn the motor over the spark looks very weak. Found a lot of films on internet about checking 125 4 trax coil, and not one of them show a coil even remotely like mine off a 125 4 trax. They do mention 3 to 4 ohms reading for good coil on the ones they showed. The 2 leads on mine only show .5 ohms, but as I say the coils I saw were all different so I don't have a confirmation on the ohms reading. My dad had trouble with this bike many years ago and they sold him a new cdi box that never solved the problem. Some times it would run great and other times he would crank it forever to get it going.The spare box is no where to be found. I haven't tried the secondary check yet but will today. The film I saw said to keep 1 meter lead on 1 of the 2 leads and put the second meter lead on the end that plugs on the spark plug and should show around 14 to 15K.
Please advise. Thanks!! JC
Please advise. Thanks!! JC