YamaMatt

I have a 1991 sr125, has good consistent spark, new carb which I cleaned out etc, it runs but it does not sound healthy, sounds very tappety or something, checked timing and its absolutely spot on, it does rev but i shut it off quickly due to noise, any ideas what I could be? I am stumped with this one. Cheers, Matt. https://youtube.com/shorts/S7jwJtyIAtw?si=huL1ZtzBqrXCuuku

I have a 91 sr125 barn find, cdi is completely gone after many many hours of struggling and fault finding, cannot find the cdi code 5HO- M0 anywhere, I don't believe a newer cdi will work as 3 wires match and the rest are completely different i found... decided not to bugger up the original wiring and after lots of searching I stumbled across a company in Switzerland that has a direct replacement cdi for the 5HO-M0 cdi used 1982-94 which is more performance orientated yet matching the timing etc of the original cdi and what not, it also has connectors for a rev guage which is always a plus! It's a tad costly but I have ordered one and will be giving a go! Here is the link if its of any use! https://moto.chumm-ine.ch/shop/gb/startseite/23-zuendmodul-yamaha-sr-125.html