engine-ventilation-271-303-171

SERV•1 ICNEFO RMAllON Tech. Customer Service VKT 20 fm/Zr/Go Motorcycles R50/5,R60/5,R75/5 Group: engine MUnchen,Jan. 71 No. 2/71 (303) eng Ref.: Engine ventilation Dear Sirs, in order to avoid – as it happened in some cases – the contamination by oil concenoo.te of the Micronic air filter inserts, a new ventilation hose, ordering No .• 11 15 1 255 146, started in the series with chassis No~ 2 901 704 2 932 473 2 973 142 – R 50/5 – R 60/5 – R 75/5 Please refit all engines of your district during their next workshop visit with tbis new ventilation hose. Working procedure: 1. Control cut slope of the new vent hose (see chart); if necessary re=work. 2. Dismount suction line and left half of air filter housing, loaen hose clip at old vent hosee 3. Unscrew right half of air fil·ter and draw it off with vent hose .. 4. Insert new vent hose into right half of air filter housing so that even end is ~tanding over by approx. 36 mm over surface and tha·t hose curve is in tbe center of auction • line. Invoice costs in usual warranty claim. Necessary work: 7 FR. Kenntnls genommen – Pris connalssance – Noted – Tomado nota – Preso conoscenza 2 ~etriebsleitung Werkstatt KO-Annahme. • Gew61\r1.•Saehb. E-Telldlenst 8etrfebsfellung Werkstolt n.t. ……….. a ….. ,,,,:.,.,.”t1′.1,… ln,r,n.a..–1a.11r nl’ltnnflP !;prvirA nlArA~ rliAtnrhAaR Dtrecrion AtellAr – Archive S.I. 2/71 (303) eng. – 2 Order parts in usual way. Attention! Abnormal smoke of the right cylinder at idle speed~ especially at cold engine – is caused by wrong cut· slope or incorrect mounting of the vent hose. Yours very truly, BAYERISCHEM OTORENW ERKE Aktiengesellscbaft ppa. i.T. ~–!) / .lItI I I • Delleske Bennewi tz ( ,. ‘ ,. ,__,. ( \_. Service InformatioQ Nr. 2/71 (303) r/, I + o.s 22,5 I I I :~1~1 -.:t I I (0 I l I I I I I I . \ ‘ M 1 : 1