Tag: group 11 service bulletins

  • carburetor-773-990m-1173

    carburetor-773-990m-1173

    Service-Informatio~n ~————~—————-~——-,’ ‘-. – ( Tech.Gust.Service VS-201 lo/LP/fm BMW Motorcycles R60/6 – R90S Munich, Nov ’73 Group 11: Engine 7 /73 (090 ,,l) e Ref: Carburetor Dear Sirs, It has been necessary to change several technical specifications relating to the carburetors shortly before production of the new motorcycles. These changes could not be incluaed in the first edition of the Owner’s Manual ana are now given below. R 00/6 R 75/6 R 90/6 R 90 5 carburetor type Bing, left 1/26/111 64/32/9 64/)2/11 Carburetor type Bing, right 1/26/112 64/32/10 64/)2/12 Carburetor type Dellorto, left PHMJ8 AS Carburetor type Oellorto,right PHM)8…

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  • emission-control-maintenance–11-012-79-2006-1079

    emission-control-maintenance–11-012-79-2006-1079

    ( Service-Informatio&n Group 11 Engine October 1979 Bulletin No. 11 012 79 (2006) – For U.S.A. and Canada Only – Subject: Maintenance of Emission Control Systems for 1980 Models The emission values for our 1980 model motorcycles amount to 5 g/km HC and 12 g/km CO. To obtain these emission values the Pulse Air System has been created and incorporated in our 1980 models, in addition to changes already made in 1978 and 1979 models. This system draws air from the intake air cleaner housing to the exhaust port of the cylinder head shortly behind the exhaust valve. Engine performance…

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  • cylinder-base-spacer-11-79-13-ns-1179

    cylinder-base-spacer-11-79-13-ns-1179

    i I ‘\ t ( 1.1 ,, ;} -,~ ·• ‘·1 I I ) i ‘·’ SERVICE SERVICE BULLETIN ll-79-13NS BUTLER & SMITH, INC. NORWOOO, NEW JERSEY 07648 COMPTON, CALIFORNIA 90224 CYLINDER BASE SPACER ON EMISSIONS MOTORCYCLE Group 11 Motor BMW is happy to announce that we now have the approval of the Environmental Protection Agency for the use of Cylinder Base Spacers on BMW models manufactured after January 1, 1978. This approval means the cylinder base spacers can now be installed on the emissions controlled models to reduce compression and allow the use of leaded regular gasoline. For complete…

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  • oil-cooler-11-010-78-1060r-579

    oil-cooler-11-010-78-1060r-579

    Service-Information ~ BMW MOTORRAD GMBH Motorcycles – R 100 RS Munich, May 79 Technical Group: Engine 11 0 1 0 7 8 ( 1 O6OR) – For U.S.A. and Canada Only – Subject: Oil Cooler for BMW R 100 RS Dear Dealer, Installation of the oil cooler ensures that the oil remains within the most favorable temperature range even if the engine is working hard for long periods. The oil cooler is controll.ed by a thermostat in Ehe oil 0 filt~r can. Thi~ thermo~tat opens, at approximately 80 C (17g F) oie temperature, and is fully i open by approximately…

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  • oil-cooler-4-79-4-ns-479

    oil-cooler-4-79-4-ns-479

    SERVICE SERVICE BULLETIN 4-79-4NS BUTLER & SMITH, INC. NORWOOD, NEW JERSEY 07648 COMPTON, CALIFORNIA 90224 OIL COOLER FOR BMW MOTORCYCLES GROUP II – ENGINE BMW has now developed an oil cooler for installation to the RlOORS machines as special equipment. This system can be installed on any /7 series model. An accessory installation kit will soon be abailable for this purpose under Part No. 11-42-1-335-396. The accessory kit does not include the special fairing center (grill) section developed for RlOORS and RlOORT machines with oil coolers, These pieces will be available separtely. The oil cooler insures that the oil remains…

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  • crankcase-oil-passage-change-11-019-81-2031-1182

    crankcase-oil-passage-change-11-019-81-2031-1182

    Service-Informatio&n Group: 11 November Bulletin No. : Engine 1982 11 019 81 (2031) – For U.S.A. and Canada only – RE: ENGINE MODIFICATIONS Dear Dealer: A. Crankcases: Since January 1980, a different crankcase has been used. The oil passageway routing and distribution point was modified whereby the oil is now forced from the oil filter outlet through a cast-in passa~eway and distributed in a channel located on the outer diameter of the front main bearing holder. From there the oil is distributed directly to the camshaft bushing, front main bearing and rear main”bearing surfaces. …. ~-” ·-.. ,.-., ‘ New…

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  • cylinder-base-spacer-11-009-78-1057r-978

    cylinder-base-spacer-11-009-78-1057r-978

    ( Service-Information e;.;.BMW MOTORRAD GMBH Motorcycle R 60/5-R 100 RS Munich,Sept. ~3 Service Technic R-VK-11 ma-ur Engine 11 009 78(10S7R For U.S.A. and Canada onl7 Subject: Cylinder Base Spacer for R 60/5 – R 100 RS Dear Dealer, Due to poor availability of high-octane fuels in some regions, pre-ignition pinging may occur on the above-mentioned models. In such cases it is possible to reduce the compression ratio by installing cylinder base spacers. Depending on the fuel quality available, up to two spacers per cylinder may be installed. Note from the following chart how much the compression ratio will be reduced…

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  • cylinder-base-o-ring-11-023-82-2052-382

    cylinder-base-o-ring-11-023-82-2052-382

    ( ( Service-Informatio&n Group 11 Engine April 1983 Bulletin No. : 11 023 82 (2052) – For U.S.A. and Canada Only – Supplement I RE: O-RING SEAL AT BASE OF CYLINDER Dear Dealer: With our SI 11 023 82 you of the use of 2.2 (2052), issued in March 1982, we notified mm thick o-rings as;-cylinder base seals. ‘,,. • ‘ This can, however, lead to assembly difficulties and, if tolerances do not match, distortion of t.he relatively thin-walled aluminum cylinde,q,,barrel can occ.ur,, . • \t~,· t~.b~._._ _ _ , • – ·,·-·, o-rings of.,~mm tfiick’hess;t:’: – 1’~£~i’~~~~{J3:”>• ~Qf:t,;!:~~~;~~ii;,;;:::,:~ .;.,…

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  • emissions-service-overview-8-78-14-ns-878

    emissions-service-overview-8-78-14-ns-878

    BUTLER & SMITH, INC. EAST WALNUT STREET & HUDSON AVENUE NORWOOD, NEW JERSEY 07648 201 • 767-1223 WEST 135 EAST STANLEY STREET COMPTON, CALIFORNIA 90224 213 · 638-8508 8-78-14 NS August 1, 1978 Dear Dealer: Emissions Motorcycles All BMW motorcycles manufactured on or after January 1, 1978 must comply with Federal Exhaust Emission standards for motorcycles. The following vehicle identification numbers indicate the start of BMW motorcycles which must meet 1978 emissions standards: R80/7 Rl00/7 RlOOS RlOORS V.I.N. V. I.N. V.I.N. V.I.N. 6 124 485 6 147 411 6 163 343 6 183 239 Emissions Service Procedures Exhaust emissions standards…

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  • valve-clearances-11-022-82-2051-382

    valve-clearances-11-022-82-2051-382

    Service-Informatio0n Group: 11 March Bulletin No.: Engine 1982 11 022 82 – For U.S.A. and Canada only – RE: VALVE CLEARANCE – ALL R65 and R65LS MODELS Dear Dealer: Rece~t tests revealed that valve clearances must be increased, thereby eliminating the danger of low compression/ performance due to tight valves. We, therefore, clearances: (a) First 600 At P.D.I. (b) After 600 . 7lrntI •. ~as recommend the following miles – inlet 0.15 – exhaust 0.25 miles – inlet 0.10 – exhaust 0~20 National Service Manager HN/vaa 0 1ease route and initial before filing new valve mm (.006″) mm (.010″) mm…

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About

In this series, we’ll be talking with independent mechanics, product developers and aficionados of the classic airhead BMW motorcycles, produced from 1970 to 1995, also known as the “Type 247 boxer.” If you’re an airhead rider, you’ll recognize nearly all of our guests in this series. If you’re generally a motorcycle enthusiast, this a great opportunity to add some knowledge to your database and enjoy some great motorcycle talk.