Tag: group 33 service bulletins

  • shock-types-&-identification-33-004-79-2004-979

    shock-types-&-identification-33-004-79-2004-979

    ( ‘ Service-Informatio&n Group 33 September Bulletin No. Rear Drive 1979 33 004 79(2004 – For U.S.A. and Canada Only – Subject: Types of Rear Shocks, BMW R 50/5 to R 100 RT, Including R 65 Below find a listing of all rear shocks in use and optional equipment for your quick reference. It also informs you of a heavy-duty shock and its identification. Rate (N) Identification Part Number Class I 290-360 “l” No. stamped into R 65 flat spot (see draw- 33 53 1 240 647 ing on Page 2.) R 50/5-R 100 RT 33 53 1 240 646…

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  • softer-rear-suspension-33-015-89-2339-289

    softer-rear-suspension-33-015-89-2339-289

    Service-InformationM otorcycle .. -;,t :?i1~hi~3 •iotp[3-f:· . ·•. , BMW NA—/-•,.:; ·t-~ar-Wheel Service .Departmentl ·–~:~:;:··:,’ , • … -.·• · .-:.: >i-~- ; .-:·.–~-~ ::· -~-· . ·._.t.:.·., ~. ~:r..:· ·. _,. • . – Softer Rear _S_u spensipri :- –RlOOGS- :- ~-.. – z-.:. ~ ~ .· –. . -: • :· ;.~ -· ···”•’·’.’ In response to customer and Press feedback, since September, 1988 a softer rear suspension has been installed on all production RlO0GS’s. Both spring and damper rates have been reduced. The shock can be identified from the firmer version by the embossed part number 112…

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  • rear-drive-assembly-retrofit-33-012-87-2253-387

    rear-drive-assembly-retrofit-33-012-87-2253-387

    Service-Information Motorcycle Group: 33 March 1987 33 012 87 (2253) BMW of N.A. Service Department Rear Wheel Drive For USA Only Rear Drive Assembly for Pre-1981 Model Boxers Infonnation: Caution: Very truly yours, Richard Dampf National Technical Motorcycle Group RD:jel/9 Complete Rear Orive Assemblies for all Boxer models from 1970 – 1980 are no longer available from our factory. However, individual parts for these models are available. If a complete rear drive is needed, you must order a Rear Ori ve Assemb1y which is used on the 1981 – 1984 model Boxers (i.e., light alloy casting). The following modifications and…

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  • rear-drive-oil-leak-33-008-83-2089-1283

    rear-drive-oil-leak-33-008-83-2089-1283

    ( ( Service-Information$ Group 33 December Bulletin No. Rear Wheel Drive 1983 33 008 83 (2089) -For U.S.A. and Canada Only- RE: REAR DRIVE OIL LEAK Dear Dealer: Since the introduction in 1981 of the new design rear drive housing, it has come to our attention that an oil leak could occur on drum brake models only from the area around the brake pivot shaft. If a leak is noted, the following should be investigated and/or replaced: 1. Install a new brake pivot shaft with four (4) “O” ring grooves. 2. 3. 4. Measure d;~th.,,of “O” •ring ·groove·s with.,~- caliper.…

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  • rear-shock-adjusting-knob-33-017-92-2506-192

    rear-shock-adjusting-knob-33-017-92-2506-192

    ( … • • Service-InformationM otorcycle BMW NA Service Department Group: Group 33 Rear Wheel Drive January 1992 33 017 92 {2506) For USA Only Rear Shock Adjustment KnobN umbering- RlOOGS19 91 Models Complaint: Remedy: Replacement Instructions: . . ~(\ .. :j.” . The white numbers on the rear shock adjusting knob have a tendency to come off. Future adjusting knobs will have raised numbers. Replace the adjusting knob with: Part No. 33 53 2 314 139 – Turn the knob to the maximum 10) (position – Using a center punch, put a mark on the plastic nut which is…

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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.