BMW Service Bulletin Archive

high-altitude-adjustment-13-011-85-2145-285

Service-Information Motorcycle Group:. 13 February 1985 13 011 85 (2145) BMW of N.A. Service Department Fuel Supply & Adjustment For USA and Canada Only HIGH ALTITUDE PERFORMANCAED JUSTMENT: Over 4,000 feet above sea level for all 1978 – 1985 models EPA requires the manufacturers of motor vehicles to provide altitude performance instructions. (This requirement is applicable to all motor vehicles to which Title II of the CAA applies.) To improve the emmission/performance of low altitude vehicles when operated at a high altitude, a main jet change, as recommended on the enclosed list, is necessary. When such a vehicle is changed to high altitude settings, a label (see sample below) must be affixed to the rear fender next to the original vehicle emission control label. This label should be requested through the Motorcycle Service Department in writing by quoting No. 2 121 222. For customer information purposes, please display a copy of this Service Information in your showroom or customer waiting area. Very truly yours, BMW RICA, INC. ,~~ Richard Dampf National Technical Motorcycle Group RD:ch Enclosure Manager -~~ VEHICLEE MISSIONC. ONTROLIN FORMATIOUNP DATE โ€ข BAYERISCHEM OTORENW ERKEA G – – THIS VEHICLE HAS. BEEN MODIFIED TO IMPROVE EMISSION CONTROL PERFORMANCE_ _’N t:,E_N-SJ,._P~E~RA_T~E~_D_AAL_T.TIT_UHDIGEH. INFORMATION ON ALTITUDE PE’FifoRMANCll ADJUSTMENTS — MAY BE OBTAINED FROM ANY BMW. DEALERSHIP. ~~- โ€ข ~~2~1=2,-,2=22~-~ ( MODEL MODEL JET SIZE (~! YEAR TYPE HIGH ALTITUDE STANDARD 1978 R80/7 โ€ข142 145 R100/7 ‘142 145 R100S โ€ข 158 160 R100RS โ€ข158 160 1979 R65 138 140 R80/7 โ€ข 142 145 R100S ‘162 165 R100T โ€ข 162 165 R100RS ‘162 165 R100RT ‘162 165 1980 R65 โ€ข 142 145 R80/7 148 150 R100S โ€ข 162 165 R100T ‘162 165 R100RS ‘162 165 R100RT โ€ข 162 165 1981 R65 โ€ข 142 145 R80GS 148 150 R100 ‘158 160 R100CS ‘158 160 R100RS ‘158 160 R100RT ‘158 160 1982 R65 โ€ข 142 145 R65LS ‘142 145 R80GS 148 150 R100 โ€ข 158 160 R100CS โ€ข15a 160 R100RS ‘158 160 R100RT โ€ข15a 160 1983 R65 135 138 R65LS 135 138 R80GS 148 150 ABORT 148 150 R80ST 148 150 R100 โ€ข 158 160 R100RS ‘158 160 R100RT ‘158 160 1984 R65 135 138 R65LS 135 138 R80GS 148 150 ABORT 148 150 R80ST 148 150 R100 158 160 R100RS 158 160 R100RT 158 160 1985 R65 135 138 R65LS 135 138 R80 130 135 ABORT 130 135 RBOGS 130 135 ‘Part No. 13 11 1337889 142 Jet Part No. 13 111337890 158 Jet Part No. 13 11 1 337 891 162 Jet

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