GBGear889 Improved 5th Spur Gear 15° for the 5 Speed Gearbox - not available from BMW.
The 5% taller gear will increase your top end speed and improve your fuel economy at normal speeds.
NOTE: In 04/1982 the gear angles were changed from 15° and were then machined at 17.5° and were marked with an "X" on the output shaft gear. Please ensure that you are replacing the 15° gear only (Not the 17.5° gear).
See GBGear992X for the post-04/1982 version of this gear. Vehicle Manufacturer: BMW Application: BMW Airhead Models with 5 speed gearbox and 15° gear. Make/Model: BMW R45, R50, R60, R65, R75, R80, R90, R100 Model Years: 1969 - 04/82 Manufacturer #: 23 22 1 234 889 (not the original part) Dimensions - 58mm x 22mm x 16.5mm (See APPLICATION TABLE tab BELOW to verify vehicle fitment)
The 5% taller gear will increase your top end speed and improve your fuel economy at normal speeds.
NOTE: In 04/1982 the gear angles were changed from 15° and were then machined at 17.5° and were marked with an "X" on the output shaft gear. Please ensure that you are replacing the 15° gear only (Not the 17.5° gear).
See GBGear992X for the post-04/1982 version of this gear. Vehicle Manufacturer: BMW Application: BMW Airhead Models with 5 speed gearbox and 15° gear. Make/Model: BMW R45, R50, R60, R65, R75, R80, R90, R100 Model Years: 1969 - 04/82 Manufacturer #: 23 22 1 234 889 (not the original part) Dimensions - 58mm x 22mm x 16.5mm (See APPLICATION TABLE tab BELOW to verify vehicle fitment)
Note: The installation should be carried out by a skilled technician!
The first gear is often also replaced with the "short" gear - see: GBGear996
The first gear is often also replaced with the "short" gear - see: GBGear996
 |  |  |
| EME Part Number: | GBGear889 |
| BMW Part Number: | 23 22 1 234 889 |
| Model | Year |
| R45 (248) | 01/78-04/82 ECE |
| R45/N (248) | 03/78-04/82 ECE |
| R45T (248) | 10/80-04/82 ECE |
| R45T/N (248) | 09/80-04/82 ECE |
| R50/5 (2476) | 08/69-07/73 ECE |
| R60 TIC (2477) | 09/78-04/82 ECE |
| R60/5 (2476) | 08/69-07/73 ECE |
| R60/6 (2476) | 07/73-06/76 ECE |
| R60/6 (2476) | 01/74-05/76 USA |
| R60/7 (2477) | 05/76-04/80 ECE |
| R60/7 (2477) | 07/76-11/77 USA |
| R65 (248) | 01/78-04/82 ECE |
| R65 (248) | 07/78-04/82 USA |
| R65LS (248) | 03/81-04/82 ECE |
| R65LS (248) | 06/81-04/82 USA |
| R65T (248) | 09/80-04/82 ECE |
| R75/5 (2476) | 08/69-07/80 ECE |
| R75/6 (2476) | 09/73-06/76 ECE |
| R75/6 (2476) | 01/74-06/76 USA |
| R75/7 (2477) | 05/76-01/79 ECE |
| R75/7 (2477) | 07/76-06/77 USA |
| R80 (2477) | 04/77-04/82 ECE |
| R80 (2477) | 04/77-07/80 USA |
| R80G/S (2471) | 06/80-04/82 USA |
| R80GS (2471) | 05/80-04/82 ECE |
| R80TIC (2477) | 06/78-04/82 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) | 04/77-04/82 ECE |
| R100/7T (2474) | 05/76-07/78 USA |
| R100/T (2474) | 09/78-04/82 USA |
| R100CS (2474) | 06/80-04/82 ECE |
| R100CS (2474) | 09/80-04/82 USA |
| R100RS (2474) | 03/76-04/82 ECE |
| R100RS 77-84 (2474) | 05/76-04/82 USA |
| R100RT (2474) | 06/78-04/82 ECE |
| R100RT 79-84 (2474) | 04/78-04/82 USA |
| R100S (2474) | 05/76-07/80 ECE |
| R100S (2474) | 05/76-07/80 USA |
| R100TIC (2474) | 11/80-04/82 ECE |