BMW Service Bulletin Archive

main-jet-270-280-470

( Technical Customer Service VKT 20 Gi/wi=Ra Motorcycles R 50/5 Group: Engine Milnchen,April 1 70 No. 2/70 {280)en RE: Main _j_et Dear Sirs, To improve the transi:ti.on ยท_ in the part-load range, the ca.rburetors of the R 50/5 model have been endowed, effective of frame No. 2 900 441, with a 135 size maln jet, ordering number 13 11 1 255 835 (former main jet size 145). Simultaneously, the needle position has changed from previous 2 to 3. In case of complaint the carburetors may be subsequently equipped with the new main jet. The settlement takes place via the usual warranty procedure. Required labour 6 FR. Yo~rs very truly, BAYERISCHEM OTORENW ERKE Aktiengesellschaft ppa. Delleske , Kenntnls genomman – Pris connalssanca- Noted – Tomado nota – Preso conosc:anza —./ Betriebsleitu”1l Direction Werkstalt Atelier KD-Annohme G

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Searchable index of BMW service bulletins for repair and parts installation for a variety of 247 models. This is not an exhaustive list. If you have ones to share to help complete the archive, please contact us directly.