Gearbox Technical Data - BMW F 650 GS Repair Manual

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Technical Data
Transmission
Type
Gear steps
Gearbox ratios:
Engine ratio:
Wear limit values for selector fork:
Selector fork guide journal diameter
Thickness at contact faces
Wear limit values for mainshaft:
Shaft diameter, magneto side
Shaft diameter, clutch side
Wear limit values for countershaft:
Shaft diameter, magneto side
Shaft diameter, clutch side
F 650 GS / GS Dakar
Integral
5-speed gearbox with claw shift
Primary: 37/72=1:1.946
1st gear 12/33 = 1:2.750
2nd gear 16/28 = 1:1.750
3rd gear 16/21 = 1:1.313
4th gear 22/23 = 1:1.045
5th gear 24/21 = 1: 0.875
1st gear 1:5.352
2nd gear 1:3.406
3rd gear 1:2.555
4th gear 1:2.034
5th gear 1:1.703
mm (in) min. 5.85 (0.230)
mm (in) min. 3.45 (0.136)
mm (in) min. 24.98 (0.983)
mm (in) min. 16.98 (0.669)
mm (in) min. 16.98 (0.669)
mm (in) min. 24.97 (0.983)
BMW recommends Castrol
23.3