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cv-carbs-570-284-1270
L SERVINICFEO RMAllO~ Tech.Oust.Service VKT 20 gi/zr/hn Motorcycle R 75/5 group: engine Mu.nich, Dec. 1970 No. 5/70 (284) L Supplement 2 Re,: Advanced constant preseion C9rburetor Dear Sirs, The refitt.ing of the @onstant preesion carburetors of model R 75/5 until chassis No, 2 972 061, started by S.I. 5/70 (284), has not yet been effected
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cv-carbs-370-281-1170
Customer Service gi/Zr/Go SERVINICFEO RMAllffi Motorcycle R 75/5 Group: engine Supplement unich, Nov. 70 O, 3/70 (281)e~: Ref.: Carhurettora Dear Sirs, Messrs. Bing have altered the designation of ihe eg~ipression carburettors. Against the indication in S,I. No. 3/70 (281), in the Owner’s Manual and in the Wor’k shop Manual it muat read: carburettor Bing left
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oil-pressure-check-1130-257-970
SERVIINCFEO RMATION 8rvice Promotion Advising on equipment problems Milnchen, Sept. 1970 KT-30 Kl/St n. 11/70 (257) en. ( Subj.: Oil pressure gauge f’or r..1otorcycles BHW R 50/5, R 6075, R 75/5 Dear Sirs, When the engines of the miot.orcycles show deficiencies which presumably result from insufficient lubricating or, after bavin~ reuaired the engine, we recommend
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oil-leakage-870-289-970
SERVINICFEO RMAllm – Techn. Cuet. Service Motorcycles R50/5,R60/5,R75/5 Group: Engine MUncb.en, Sept. 1~ VKT-20 Fm/Wi/St n. 8/70 (289) en. Subj.: Oil leakages around the chain case cover Dear Sirs, On a limited-numb~r of motorcycles the three studs to seeure tb.e chain case cever have been installed with Curil, instead of Loctite. Only on these machines
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centrifugal-advance-nut-torque-473-082m-773
0 0 () ~————-r—————,r——-\ (-\ Tech.Cust.Service vs-201 ga/LP/tm Motorcycles R50/5 – 75/5 Group ll: Engine Munich, July ’73 4/73 (082M) e Re£: Automatic centrifugal advance Dear Sirs, It has repeatedly occurred that the M6 nut securing the centrifugal advance unit is torn ott as a result of over-tightening. Since it is not immediately apparent that
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lower-compression-engines-173-073m-673
u ( Tech.Cust.Service vs-201 ga/LP/fm Motorcycles R50/5, 60/5, 75/5 Group 11: Engine Munich, June ’73 No. 1/73 (073M) e Ref: Engine with lower compression – BMW R50/5 – R75/5 Dear Sirs, To prevent the occurrence of “pinking” in countries with low octane fuel, our motorcycle models /5 are now available (since January ’73) with engines
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new-centrifugal-advance-173-056m-1272
u Service-Information6 \ Tech.Cust. Service Munich, Dec ’72 VS-201 na/zr/fm Motorcycles R50/5 – R75/5 Group: Engine 1 o- 1/73 (056 M) e Ref: New automatic centrifugal advance Dear Sirs, With the installation of a new automatic centrifugal advance unit on the models R 50/5 as of Chassis No. 2 905 857 R 60/5 as of
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rocker-arm-bearing-supports-572-043m-1172
( ·service-InformatioGn Tech.Cust.Service VS 201 LP/sta/fm Motorcycles R50/5, R60/5 R75/5 Group: Engine Ref: Rocker arm bearing supports Dear Sirs, Munich, Nov 72 5/72(043 M) e To suppressnoise which can occur if there is too much play on the rocker arm, slotted rocker arm bearing supports (Order No. 11 12 l 250.?37) used in conjunction with
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centrifugal-advance-472-041m-1172
Tech.Customer Service VS 201 gi/Zr/fm Motorcycle R50/5, R60/5, R75/5 . \ Munich, Nov 72 4/72 (041 M)e Group: Engine Ref: Automatic ignition timing mechanism (centrifugal advance) Dear Sirs, In order to obtain for all three motorcycle models optimal performance points in the ignition advance, we have installed a new automatic ignition mechanism as follows: R
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crankshaft-372-006m-372
I Service-Informati$o n (‘ ,.,,,,.,.,._.,-rr,;–…=-~e”r”v–1r.c.:e;;–==o:;;r”‘c”‘y”cc,-;e”s.-,=-“f”T,,-cr7’7,=——-,M”M=:::n:::a:c-:1;:rr:-::c::c:-c.h::.h:-:,- —.;gi/mi R 5/5 3 72 (006 m)e G oup: engine – crankshaft Ref: Crankshaft Dear Sirs, In order to reduce the possibility of damage to the drive when the engine is greatly overloaded the fatigue strength of the crankshaft under repeated bending stress has been increased at the following models
