Tag: group 31 service bulletins

ecbn. Cust. Service KT-20 Gi/St SERVINICFEO RMATION( Motorcycles R50/5,R60/5,R75/5 Gr.: Springs and shock abso~ber Mlinchen, Sept. nr. 1/70 (290) en. Subj.: Shock absorbers for telescopic fork near Sirs, Please observe that the oil quantity of 280 cc for the telescopic fork – stated on the cover back, inside of the owner’s manual for the new motorcycle models – only refers to one fork strut. The total quantity to be filled into the telescopic fork tb~n is: 560 cc. The shock absorber oil Shell 4001, prescribed to lubricate ( the telesc epic fork, can be obtained under the ordering nr. •…

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Customer Service V.GmbH/B&S, N.J. Motorcycles R50/S,R60/5,R75 Brakes, Wheels and Tires Jersey,Nov.1969 Nr. 1/69 (274) ( Subject: Inspection and Adjustment of Steering Head Bearing, and Wheel Bearing on New Motorcycles Gentlemen: The recommended inspection and adjustment of the steering head bearings and wheel bearings (as listed under No. 10 of the second free service inspection at 1000 miles) should be performed during • s. the first free service at 300 miles this inspection now has the additional item number 5 Check fork and wheel bearings adjust if needed. This procedure does not have to be repeated at the 1000 mile service.…

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Service-Informatio&n Tech. Cust. Service Motorcycle RS0/5, R60/5,R75/~ Munich, Aup:. 7; VS-201 gi-z-sta Group: Springs and Shockabsor b, No. 2/72(029M Ref.: Floating damper nozzles for telescopic fork Dear Sirs, As or frame nos. 2 90~ 276 – R 50/5 2 941 811 – R 60/5 2 987 432 – R 75/5 a floatin~ rlamper nozzle is fitted in the fork tube, instEad of the fixed nozzle. Sticking of the damper tube in the nozzle, caused by the coincidence of unfavourable tolerances, is obviated by this new damper element. The floatin~ damper nozzle consists of two threaded rinrs. parts No. 31 42…

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M u w SERVINICFEO RMATION(‘ Tech. Customer Service VKT 20 Gi/Zr/Go Motorcycles R 50/5,R60/5,R75/5 Munich, April 71 group: brakes, wheels, tires No. 2/71 (296) Supplement 1 Ref.: Driving behaviour of the.new motorcycles Dear Sire, regarding point 7 of our S.I. No. 2/70 (296) we inform you that the prescribed length of the fork support spring in dismounted status is 538 + 12 mm. Fork support springs with a total length of less than 536 mm have a too soft suspension and are to be exchanged. ~he faulty fork support springs have to be sent to the factory in the usual…

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( MEMO I • L:i’:tr.ro·: BMW Authorized Dealers ,.,.. ,. February 8, 19″7″:c’i\.,i • FROM: Butler & Smith, Inc. RE: Fairing Installation Whenever any type of fairing, including the new Avon AV-70/1, is installed on an R 50/5, R 60/5, ·and R 75/5, it is necessary to install two spacers part No. 31 42 2 000 399 under each front fork spring. These spacers will compensate for the additional weight placed over the front fork. Through the addition of these spacers, the trail (castor) is maintained at the required 85mm with the fairing installed~ • • .. , I

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SERVIINCFEO RMATION(‘ Tech. 0uet. Service VKT 20 Gi/Zr/Go Motorcycles R 50 5, R 60 5. R 75/5 abeorbera Munich, Jan. 71 Bo. 2/70 (293) e. Ref.: Castor correction at the installation of shells 0 Dear Sirs, when installing shells, the castor is emallered by the higher front axle boad aad the greater spring way of the for,. To reach the original castor again, put eachtto washers, ordering No. 31 42 2 000 399 under the ~upper spring bearing ot both fork legs_, see chart. The driving stability by this is kept constant at bikes with shells. If FOU produce these…

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“‘ _, . ‘ SUBJECT: SUSPENSION TUNING A motorcycle suspension system must cope with a widely variable (·,, loading. No manufacturer can create one sus?ension setting which will be correct for all loads. The suspension must be tailored to the requirements of the individual rider depending upon load, riding style accessories and their location. BMW offers factory made suspension components to permit this adjustability in order to provide maximum comfort and safety. All other components, i.e.: forks, steering head bearings, frame, swingarm, wheels and tires must be in good condition and properly adjusted before suspension modifications are attempted. Listed below…

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( ( ·service-Jnformation0 Tech.Cust.Service VS-2011 kl/tw/fm Motorcycle R50/5 – R90 S Group: 31 Munich, May ’74 1/74 (117 M) e Subject: Approved Fluid Grades for the Front Telescopic Fork Gentlemen: We give below a list of the works-approved shock absorber fluids for the above-mentioned models: Manufacturer Aral BP Castrol Castrol Sl;iell Shell n•c erely yours, CHE MOTORENW ERKE t’engesellschaft i.V. ,,A–~ Scholz Fluid Grade 1010 Aero Hydraulic l DB Hydraulic Fluid Shock Absorber 1-318 Aero Fluid 4 4001 Shock Absorber Fluid Kenntnis genommen – Pris connaissance – Noted – Tornado nota – Preso conoscenza Abfage – Archives – File –…

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v v Tech.Cust.Service vs-201 gi/Zr/fm BMWM otorcycles Group: Springs and Munich, Feb 73 3/72 (045M) e Ref: Play adjustment of the bearings in the steering head Dear Sirs, The play of the tapered roller bearings in the steering head is adjusted as of Chassis No. 2 905 828 R 50/5 Chassis No. 2 946 097 R 60/5 Chassis No. 2 995 073 R 75/5 by means of a nut, Part No. 31 42 1 232 343 instead of the split circular nut used previously. As a result of this alteration, the following parts are no longer ( necessary: Parts designation:…

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-~: :•, ··’· .. \:i;: …. ~ir I I, •• .·.-l:·:,: .. Tech.Cust.Service VS-201 hl/Zr/fm Motorcycles R50/5, R60/5, R75/5 Group: Springs & .:l/ Munich, Dec 172 No.4/72 (053M)e …, Ref: Correction of the castor when fitting fairings Dear Sirs, Instead of the spacers (Part No. 31 42 2 000 399) used up until now for the correction of the castor angle, ·we now use a strengthened supporting spring as of Chassis No. 2 904 276 BMW R50/5 2 940 990 BMW R60/5 -;,~~~.

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