Originally Posted by disston
A load test will tell you if the battery is good but as a general rule it should read 12.5 volts or more to start a vehicle.
The R90S bikes are three years. Those years have differences between them every year. What year is yours?
Mine is a 75 R90S
BMWMOA 82741 75 R90S ,83 R100RT (Baron) , 88 R100GS ,94 R1100RS (Aragorn) 2k 1150GS w/hack,05 K1200S (Gandalf)