Bmw Motorcycle Rear Drive Ratios - 2011 BMW R1200GS REAR DIFF DIFFERENTIAL FINAL DRIVE | eBay : The difference in final drive ratios may be to equalize the differences in efficiency to meet economy targets.
Bmw Motorcycle Rear Drive Ratios - 2011 BMW R1200GS REAR DIFF DIFFERENTIAL FINAL DRIVE | eBay : The difference in final drive ratios may be to equalize the differences in efficiency to meet economy targets.