afroash20 Posted March 11, 2007 Report Share Posted March 11, 2007 t Ive bought this Honda Tl 125 k2 1974 in bits, the engines all assembled I can only run the bike with a 6v battery connected to the positive side of the ht coil , when i try and connect the wire from the generator into the circuit there is no ht spark, with the engine running from a 6v supply battery i measure the output voltage from the generator which I believe should be ac it only reads 2 volts, as i thought there was a fault with the coil windings I bought a new set , when i came to refit the new ones i still only get 2 volts reading. Any suggestions? Cheers Ash Quote Link to comment Share on other sites More sharing options...
honda pants Posted March 11, 2007 Report Share Posted March 11, 2007 tIve bought this Honda Tl 125 k2 1974 in bits, the engines all assembled I can only run the bike with a 6v battery connected to the positive side of the ht coil , when i try and connect the wire from the generator into the circuit there is no ht spark, with the engine running from a 6v supply battery i measure the output voltage from the generator which I believe should be ac it only reads 2 volts, as i thought there was a fault with the coil windings I bought a new set , when i came to refit the new ones i still only get 2 volts reading. Any suggestions? Cheers Ash Could it be the primary coil? Quote Link to comment Share on other sites More sharing options...
afroash20 Posted March 11, 2007 Author Report Share Posted March 11, 2007 tIve bought this Honda Tl 125 k2 1974 in bits, the engines all assembled I can only run the bike with a 6v battery connected to the positive side of the ht coil , when i try and connect the wire from the generator into the circuit there is no ht spark, with the engine running from a 6v supply battery i measure the output voltage from the generator which I believe should be ac it only reads 2 volts, as i thought there was a fault with the coil windings I bought a new set , when i came to refit the new ones i still only get 2 volts reading. Any suggestions? Cheers Ash Could it be the primary coil? Is the primary coil in the flywheel? if so we have renewed it. Many thanks Quote Link to comment Share on other sites More sharing options...
max1956bikes Posted March 11, 2007 Report Share Posted March 11, 2007 are you sure its a tl 125 engine fitted to bike? as the early cb125 engine needed a battery to run should be able to tell by engine number just above gear change shaft.if it is a tl have you got a condencer fitted on coil? Quote Link to comment Share on other sites More sharing options...
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