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generator-system–1250
,,. () • STARTER MOTOR BATTE.RY • zum AnlaOrelais “‘·f:i • • . ,. ,, ‘ . . c·o· ·,-l.~€{1-, {Pa.,~ .,.:t.~~ ~ —- —-.-,—. ~- De. —————–. zum Anlasscr u. Battene 8+/30 DIODE BOARD O+ ————-: 11 Dio·dentrager I ALTERNATOR Dre hstromgenerator □-a I \ \ ‘i r~< l 1~l I li1 ~. ~
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ignition-system-10-78-18-ns-1078
( SERVICE SERVICE BULLETIN 10-78-18 NS BUTLER & SMITH, INC. NORWOOD, NEW JERSEY 07648 COMPTON, CALIFORNIA 90224 1979 Ignition System Group 12 – Engine Electric Dear BMW Dealer: Due to certain technical improvements on our latest models, the following alterations have to be considered when servicing BMW motorcycles: Check dwell an?le (120° + 3%) every
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charging-systems–193
j ,.: =. 1′.~~;:f •• ~-:,·~~-+ ;Ji~R~TI ~· – —-. •. …- – ·}i(:.: .~~~\~~·~?•~ •-.~.:”~~~: ,:·•, .. -· • ~;:;- __ {.- ~ ,:·curre ‘/,cu\F,f , .. ‘Reilay -_-.; .? nI~f ,L;,. •r. ;.’ · :/ .: ~ ~:j.’ -‘8:’~- trti ;’-~·-.-:1:.·.•~ ~.~–~J\·: ;..,,,,, _, ,,._j..’,;’ I’ •• _1.•• .~ .;?~-_::~ . ‘{ ~:
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hard-startingrunning-12-018-93-2572-193
(- Service-InformationM otorcycle ©BMW of N.A. Service Department Group: l 2 Engine Electric January, 1993 1201893 {2572) ~or USA Only Engine Difficult to Start, Temporarily Runs On Only One Cylinder – All Boxer Engines Problem: Remedy: Control Unit Under certain conditions (low temperature, poorly tuned or synchronized engine}, initially only one of the engines’ cylinders
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voltage-regulator-12-015-90-2420-990
( Service-InformationM otorcycle Group: ©BMW of N.A. Service Department 12 bgine Septeaber 1990 12 015 90 (2420) For USA Only Voltage legulator – I Model.JI Coaplaint: Reaedy: Rote: Warranty Status: Batteries discharged after short runs or running at low engine speeds. A regulator with a modified characteristic curve is available under part no. 12 32
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starter-problems-12-014-90-2400-390
Service-InformationM otorcycle ©BMW of N.A. Service Department Group: 12 Engine Electric March 1990 12 014 90 (2400) For USA Only Countershaft-type Starter – Valeo Technical Instruction for Flat-Twin Models Complaint: Causes: Remedies: Note: 1. Starter motor continues to run after start-up sequence and after ignition has been turned off. 2. Starter makes 11chatteri ng11 (usually
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retrofitting-valeo-starter-12-013-89-2383-1289
••—-•• •,r••• .._. ••…:::!”.o’•.–~ ……… _._ … •,
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diode-board-12-012-88-2323-988
Service-InformationM otorcycle BMWNA Service Department : . ; ~ ., . . . l Diode Board – Complaint: Affected Models: ·cause: Remedy: 1. Diode boarc • solder melting. 2. Low bcttery – charge rate. 3. Generator light glow~ng at apprcxirnately half intensity, P,11 Prxer models from 1981 with electrostatic dip black coatir~ en ~1~ing chain
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diode-board-12-009-85-2156-385
C ( Service-InformationM otorcycle BMW of N.A. Service Department Group: 12 Engine – Electrical March 1985 12 009 85 (2156) For USA and Canada Only Diode Board — Boxer Models Complaint: Cause: Remedi: 1. Low battery 2. Generator light (red} on instrument cluster stays on Under some circumstances (usually on RS/RT fairing models) the soldering
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ignition-control-unit-terminal-id-12-007-83-2075-583
Service-Informatio&n Group 12 May Butletin No. : Engine – Electrical 1983 12 007 83 – For U.S.A. and Canada Only – RE: IDENTIFYING TERMINALS ON IGNITION CONTROL UNIT Dear Dealer: On the ignition control units for motorcycles with TSZh ignition (transistorized coil ignition with Hall-effect trigger), the terminals are numbered in sequence from 1 to
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.

