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The seal must be preformed to the flywheel (1970-1980) or to the flywheel guide ring (1981-1995).
The seal is not pre-shaped and in some cases can be pushed on. If the shaft is not rounded or chamfered you must pre-shape the seal prior to installation - usually attained by pushing the seal into the drift to install it.
Note that the new seal is only used on the R100GS (swing arm with no oil). If this seal is used on models with swing arm (R80 - R100RT), the oil will transfer from the swing arm into the gearbox. The vent passage in the gearbox cover must be blocked on all R100GS models.
The seal is pre-shaped when fitted on the installation arbor. Use caution and ensure that the spiral on the sealing lip is not damaged. The new seal will seat in rapidly if installed dry.
See Installation Tips HERE (Courtesy - Brook Reams)
Please see BMW Service Information Document here
Removing Flywheel and Rear Main Seal (Courtesy Brook Reams)
Rear Main Seal Installation (Courtesy Brook Reams)
EME
Part Number: |
CShaft-Seal342 |
BMW Part Number: |
11 11 1 338 342 |
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|
Model |
Year |
R45
(248) |
01/78-07/85 ECE |
R45/N
(248) |
03/78-07/85 ECE |
R45T
(248) |
10/80-06/85 ECE |
R45T/N
(248) |
09/80-07/85 ECE |
|
|
R50/5
(2476) |
08/69-07/73 ECE |
|
|
R60
TIC (2477) |
09/78-11/82 ECE |
R60/5
(2476) |
08/69-07/73 ECE |
R60/6
(2476) |
01/74-05/76 USA |
R60/6
(2476) |
07/73-06/76 ECE |
R60/7
(2477) |
05/76-04/80 ECE |
R60/7
(2477) |
07/76-11/77 USA |
|
|
R65
20KW (2472) |
04/85-06/93 ECE |
R65
35KW (2472) |
06/85-10/88 ECE |
R65
(2472) |
07/85-05/87 USA |
R65
(248) |
01/78-07/85 ECE |
R65
(248) |
07/78-04/85 USA |
R65GS
(2471) |
11/87-11/92 ECE |
R65LS
(248) |
06/81-02/85 USA |
R65LS
(248) |
03/81-03/85 ECE |
R65RT
SF (2472) |
07/85-11/88 ECE |
R65T
(248) |
09/80-07/85 ECE |
|
|
R75/5
(2476) |
08/69-07/80 ECE |
R75/6
(2476) |
01/74-06/76 USA |
R75/6
(2476) |
09/73-06/76 ECE |
R75/7
(2477) |
05/76-01/79 ECE |
R75/7
(2477) |
07/76-06/77 USA |
|
|
R80
85-87 (2472) |
07/84-07/87 USA |
R80
(2472) |
03/84-01/95 ECE |
R80
(2477) |
04/77-07/80 USA |
R80
(2477) |
04/77-11/84 ECE |
R80G/S
(2471) |
06/80-03/87 USA |
R80GS
PD (47E1) |
06/90-07/90 ECE |
R80GS
PD (47E2) |
08/90-06/95 ECE |
R80GS
(2471) |
05/80-07/87 ECE |
R80GS
(47E1) |
01/87-07/90 ECE |
R80GS
(47E2) |
04/90-10/95 ECE |
R80GS
(47E3) |
01/96-12/96 ECE |
R80R
Mystik (2473) |
03/94-03/95 ECE |
R80R
(2473) |
03/91-06/94 ECE |
R80RT
85-87 (2472) |
07/84-04/87 USA |
R80RT
(2472) |
07/84-12/95 ECE |
R80RT
(2477) |
08/82-10/84 USA |
R80RT
(2477) |
06/82-11/84 ECE |
R80ST
(2471) |
04/82-10/84 ECE |
R80ST
(2471) |
10/82-10/84 USA |
R80TIC
(2477) |
06/78-01/85 ECE |
|
|
R90/6
(2476) |
09/73-06/76 ECE |
R90/6
(2476) |
01/74-06/76 USA |
R90S
(2476) |
09/73-06/76 ECE |
R90S
(2476) |
01/74-06/76 USA |
|
|
R100/7
(2474) |
05/76-06/77 ECE |
R100/7T
(2474) |
04/77-10/84 ECE |
R100/7T
(2474) |
05/76-07/78 USA |
R100/T
(2474) |
09/78-09/84 USA |
R100CS
(2474) |
06/80-10/84 ECE |
R100CS
(2474) |
09/80-09/84 USA |
R100GS
91-95 (47E2) |
11/90-09/94 USA |
R100GS
PD 91-95 (47E2) |
09/90-12/95 USA |
R100GS
PD (47E1) |
06/89-04/90 USA |
R100GS
PD (47E1) |
02/89-07/90 ECE |
R100GS
PD (47E2) |
08/90-02/96 ECE |
R100GS
(47E1) |
12/86-07/90 ECE |
R100GS
(47E1) |
01/87-03/90 USA |
R100GS
(47E2) |
04/90-07/94 ECE |
R100R
Mystik (2473) |
12/93-01/96 ECE |
R100R
Mystik (2473) |
03/94-09/95 USA |
R100R
(2473) |
09/91-12/95 USA |
R100R
(2473) |
03/91-12/95 ECE |
R100RS
77-84 (2474) |
05/76-10/84 USA |
R100RS
88-93 (2478) |
08/87-08/92 USA |
R100RS
(2474) |
03/76-11/84 ECE |
R100RS
(2478) |
07/86-10/92 ECE |
R100RT
79-84 (2474) |
04/78-09/84 USA |
R100RT
88-95 (2478) |
08/87-12/95 USA |
R100RT
(2474) |
06/78-10/84 ECE |
R100RT
(2478) |
07/87-12/95 ECE |
R100S
(2474) |
05/76-07/80 ECE |
R100S
(2474) |
05/76-07/80 USA |
R100TIC
(2474) |
11/80-09/84 ECE |
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