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rear-master-cylinder-splash-guard-34-002-77-1030r-977
Service-Information $ BMW MOTORRAD GMBH Motorcycle R60/7-Rl00RS Munich, Sept.77 Service Technic ~-VK-10 MA-ST Brakes 34 002 77(1030R) For U.S.A. and Canada only Subject: Splash Guard for Rear Brake Master Cylinder. Dear Dealer, A recent change and addition on the assembly of new models is a splash guard on those models equipped with a rear disc brake. For those that wish such an improvement, the guard: BMW Part No. 34 31 1 238 040 is available through the parts channel. Installation is easy, just disconnect the brake rod and slide over the rubber splash guard. Yours truly, BMW MOTORRAD GMBH Munich…
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excessive-lever-travel-274-145m-1184
( Servjce-1n fo rmation BMW Motorrad GmbH Motorcycles R75/6 – R90 S Service Dept.Kl/Kr/fm Group: 34 Munich, Nov ‘7 2/74 (145 M) e Ref: Excessive Free Travel of the Hand Brake Lever (Disc Brake) It may occur that the brake piston sealing gets jammed if the brake is not used for a longer period. This causes excessive roll-back of the sealing, in fact, the piston is pressed onto the brake disc, and when released, returns then to its original position which results in too much free motion of the brake caliper. Provided that the brake pad and the hand brake…
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disc-brake-warning-light-174-130m-774
Service-Info nnation r ————-,————–,——-(\ \ – Tech.Cust.Service VS-2011 Kl/La/Go Motorcycles R75/6 – R90S Group: 34 Supplement I Re: Disc brakes on our /6 models Gentlemen: Munich, July ’74 1 /7 4 ( 1 30 M) e In the event of the brake fluid warning light lighting up despite the brake fluid container having been filled correctly to the maximum mark a topping up to the lower edge of the filler pipe.is recommended. ( In order to avoid a reduction in the brake friction value, the gro·oves in the brake pads are to be checked for deposits and cleaned if necessary…
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disc-brake-adjustmentmaintenance-673-130m-1273
( ( I Service-~n fc ~rmation Tech.Gust.Service VS-201 lo/int/fm Motorcycles R75/6-R90/S Munich, Dec ’73 I Group):Brakes,Wheels & Tires 6/73 (092 M) e 34/36) I Re: Disc Brake on /6 Models Dear Sirs, A single front disc brake is fitted as standard equipment on the BMW R 75/6 and R 90/6 and a twin disc brake on the R 90 S. The R 75/6 and R 90/6 can also be equipped subsequently with a second disc brake (at extra cost). We would like to give you the following instructions in respect of disc brake maintenance: 1. Adjustment of front brake Adjustment…
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pulsatingsquealing-rear-brake-170-286-770
SERVINICFEO RMATION(‘ Tech.Oust.Service VKT 20 Gi/Zr Motorcycles R50/5-R75/5 group:brakes,wheels,tyres Munich, July 70 No. 1/70(286)e. Ref.: Rear Wheel Brake Dear Sirs, when the rear wheel brake is pumping during operation (noticable~ by the slightly up and down going foot brake pedal) and eventually also if you hear a squeeking noise, the reason of this is an untrue brake drum. For the correction of this take up support wheel hub in the axle center and turn-off as fine as possible. nominal dimension of inner diameter of brake drum max. permitted run-out between brake drum surface and axle .max. permitted turn-off dimension 200…
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brake-fluid-34-005-84-2091-384
( ( Service-Informatio&n Group 34 March Bulletin No. Brakes 1984 34 005 84 (2091) RE: BRAKE FLUID – For U.S.A. and Canada Only – Dear Dealer: Experience has shown that although brake fluid is important to safety, it does not always receive the suggested attention or replacement. In order to meet the high standards of brake fluid, (which is regulated by the Department of Transportation) Glycol is used as a basic element in the manufacturing of DOT 4 brake fluid. Glycol is hygroscopic (i.e. it can absorb moisture). When the water contents in brake fluid increases, the boiling point of…
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rear-disc-bleeding-34-004-83-2071-283
( ( ··•··•·-“·••·•••.• … .., ………….. ..-, ……….. •••.••.o ……. • .. •••••~,. …………. , .. .-.r., .. ~ .. •.-.,,., .• ._,~,.-. ••··• • • • , …. ,,. -• •n~ …………. _., ···.,- •,- •• ~ •• •••·•· ,.~~-···•·•.,•••· ••· .,,. •• , Service-Information$ Group: 34 February Bulletin No.: BRAKES 1983 34 004 83 (2071) – For U.S.A. and Canada Only – RE: Bleeding Rear Disc Brake on BMW Rl00RS and Rl00RT Dear Dealer: In some cases, it has proved impossible to bleed the rear disc brake completely. You are recommended to detach the rear brake caliper and…
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front-disc-mounting-34-003-82-2063-1182
Service-Informatio&n Group: 34 November Bulletin No.: BRAKES 1982 34 003 82 (2063) – For U.S.A. and Canada Only – RE: FRONT BRAKE DISK MOUNTING Dear Dealer: It has come to our attention that in isolated cases the the mounting bolts of the brake disk to the wheel become loose. NOTE: THIS OCCURS ONLY ON SINGLE FRONT DISK MODELS Therefore, may we ask you to, in addition to all normal inspections or on pre-delivery service, to inspect the 5 mounting bolts of the brake disk. In case you find loose screws, please replace the washers (Part No. 34 11 1 240…
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disk-brake-squeal-34-015-88-2266-388
Service-InformationM otorcycle Group: 34 BMW NA Brakes Service Department Disk Brake Squeal – All Models March, 1988 34 01-5 88 (2266) For USA Only In Service Information 34 010 86 (2220) we discussed the design and philosphy of the BMWBr ake System. Since writing that Service Information, we have investigated various chemicals and anti-squeal components. Although many products reduce the squeal significantly, none of them possess the qualities of safety and durability required for approval. We have evaluated a shim, used on BMWau tomobiles (part no. 32 21 1 116 006). If this part is installed in a caliper with…
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damaged-disc-rotors-34-012-87-2262-1287
( Service-InformationM otorcycle BMW NA Service Department Group: 34 Brakes December, 1987 34 012 87 (2262) For USA Only Damaged/Bent Brake Disc Rotors Complaint: Cause: Note: Pulsation of front brake lever during slow speed/coming to a stop. Generally occurring between 5,000 and 9,000 mil es. Disc Rotors being damaged during tire changes or wheel removal, transportation or storage. Tire Changes – Improper/careless handling of wheel removal, bead breaking and tire mounting. Transportation – Improper/careless handling of wheel removal by customer. When wheel is transported in a vehicle for tire change, brake disc is subjected to side loading as disc is…
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.

