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clutch-21-003-83-2074-483
( Service-Informatio&n Group 21 CLUTCH RE: CLUTCH Dear Dealer: April 1983 Bulletin No.: 21 003 83 (2074) I i i-~. .. , Comprehensive modification has been\:i:t£-raduced in the clutch area: -~–:…_-~ ··””.,: ………. ~_”•1 • 1. te has been comp edesigned to e loads-.·-:-·.:-“‘”-‘-··” :·:,.-:·. • New part No.: 21 21 1 451 512. This
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clutch-splines-21-003-82-2064-1282
( ( Service-Informatio0n Group 21 December Bulletin No.: CLUTCH SPLINES 1982 21 003 82 (2064) – For U.S.A. and Canada Only – RE: CLUTCH SPLINES Dear Dealer: To maintain constant efficient clutch action and longevity, the clutch and input shaft splines should be inspected, cleaned and lubricated during each service or at least once a
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retrofitting-’81-clutch-21-002-81-2037-881
r ! Service-Informatio&n Group 21 August Bulletin No. Clutch 1981 21 002 81 (2037) – For U.S.A. and Canada Only – Subject: Fitting 1981 Clutch System On To Pre-1981 Models. Dear Dealer, This new clutch system can be installed on all 5 speed gearbox mode 1 s . ( / 6 & / 7 )
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clutch-grabbing-21-001-80-2008-180
( Service-Informatio&n Group 21 January I Bulletin No. Clutch 1980 ! 21 001 80(2008) – For U.S.A. and Canada O~ly – Subject: Sudden Clutch Engagement (Grabbing) On the occasion of a customer complaint of uncontrollable and sudden clutch engagement, we recommend checking the following: 1. Free and even movement of the clutch pushrod thrust bearing
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shifting-complaints-21-007-91-2462-691
n ( \ Service-Information Motorcycle BMW NA Service Department Group: 21 Clutch June 1991 21 007 91 (2462} For USA Only Shifting Complaints – Kl R Models Complaint: Cause: Remedy: Note: Clutch slips or is awkward to operate, especially when the motorcycle has reached operating temperature. If the clutch is properly adjusted and the clutch
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clutch-push-rod-boot-leak-21-006-89-2355-489
Service-InformationM otorcycle ; . ·l./~.•.:. -~,:· . ·-·r, Problem: Cause: Remedy: .Group: lt • i: • ,” . , •••• • C}~tch · 21 006 s~·; (2355) . ‘/.,~”‘-‘\ ‘ . :•f .1’ ·. ‘;\;!:.’ • Gearbox oil leaking from the clutch push rod boot at the adjustment bolt. Improper clutch adjustment. The coi 1
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clutch-spline-lubrication-21-004-84-2136-1284
Service-Information Motorcycle BMW of N.A. Service Department Group: 21 Clutch Lubrication of Clutch Splines December 1984 21 004 84 (2136) For USA and Canada Only We described in two (2) previous Service Informations [21 003 82 (2064)] and [21 003 83 (2074)] the importance of clutch spline lubrication. Test results where clutch splines are kept
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.

