January 22, 20251 yr Hi, I have just fitted a Mikuni 26mm carb to my Cota 349. I was originally jetted for a TY200. It will start, eventually, and tick over, initial revs are not good then clears in the mid range to full throttle. Does anyone know the jets and needles etc that should fitted? I did find an old thread but was settings for a 348. Would the same be ok for 349? Many thanks
January 22, 20251 yr 3 hours ago, Jules12 said: Hi, I have just fitted a Mikuni 26mm carb to my Cota 349. I was originally jetted for a TY200. It will start, eventually, and tick over, initial revs are not good then clears in the mid range to full throttle. Does anyone know the jets and needles etc that should fitted? I did find an old thread but was settings for a 348. Would the same be ok for 349? Many thanks https://www.trialscentral.com/forums/topic/31518-montesa-mh-349-questions/ Smaller capacity motor will usually run a larger pilot jet in the same size carb than a larger capacity motor as there is less suction produced to create the draw through the venturi so you may have a too rich idle circuit using the same carb from a 200cc TY in the 349 , you might like to try a smaller idle/starter/pilot jet to begin with and see if that improves things. Good luck . Alan Edited January 22, 20251 yr by Tr1AL
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