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CB125K3 - Future Project

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Toko_Jo:
What docs. do you have with it if any? Bit of a problem if you have nothing and it's an import.

Craizeehair:
Currently working on that with the PO

Craizeehair:
I found myself with some time to kill this weekend and as the CB350 frame is still away waiting to get some welding done, I decided to see what was what with this little CB125.

I sorted through the assorted tubs and boxes of bits and managed to gather up all the carb parts and reassembled them and fit to the bike. The throttle cable hadn’t been fitted properly and wouldn’t move so that came apart and put back correctly. Popped a battery on, checked compression, checked for spark, all good there, which surprised me. Hooked up the remote fuel tank and connected to the carbs, a quick tap on the bowls stopped the right hand side overflowing.

I’m not sure if it it’s necessary but there is no electric start on this, so I gave it a few prime kicks before turning the key on and I kid you not, it coughed on the first kick and fired into life on the second, the old gentleman I bought it from said it had been sitting for many years as it was one of his late fathers projects that had never been got round to, so I really wasn’t expecting it to spring into life quite so easily, I was massively surprised and impressed.

I do have a couple of questions though if anyone could help?

The exhausts seem to be one piece, there are no clamps joining the silencers to the down pipes, the left hand one is solid and one piece, the right hand one, separates and pulls apart and is leaking at that join (circled in red below)when running, is there a way to join / reseal this connection?


Also, the coil is producing spark at both plugs but the right hand lead does have play in and out of the coil if pulled , I was convinced it wouldn’t work as there is so much free play in and out of the coil… for want of a better phrase. I was thinking I could maybe epoxy around the lead where it enters the coil to stop the movement and preventing any issues down the line, I’m not sure if that makes sense reading it back but I don’t know how else to explain it!

I have a feeling that if I decide to keep it and finish the job, finding all the bits I might need could be a bit of a job.

TrickyMicky:
Have just zoomed in on photo, KMH speedo and a yellow headlamp bulb definitely point to French origin. Have fun.

Craizeehair:
Thanks.

Yep definitely French, the VIN plate on the rear of the frame is in French, I didn’t notice that when I first got the bike.

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