The high pressure inside the brake line can cause fluid to leak [A] or the hose to burst if the line is not properly maintained.
Bend and twist the rubber hose while examining it.
Torque - Brake Hose Banjo Bolts: 25 N·m (2.5 kgf·m, 18 ft·lb)

If any brake hose routing is incorrect, run the brake hose according to Cable, Wire, and Hose Routing section in the Appendix chapter.
Brake Fluid Leak (Brake Hose and Pipe) Inspection
Brake Fluid Level InspectionCleaning Vehicle before Disassembly
Clean the vehicle thoroughly before disassembly. Dirt or
other foreign materials entering into sealed areas during vehicle
disassembly can cause excessive wear and decrease
performance of the vehicle.
Arrangement and Cleaning of Removed Parts
Disassembled parts are easy to confuse. Arrange ...
Balancer Adjustment
Remove the left lower fairing (see Lower Fairing Removal
in the Frame chapter).
Start the engine and warm it up thoroughly.
Adjust the balancer gear backlash with the engine idling.
The amount of backlash can be changed by turning the
balancer shaft which has eccentric journals.
St ...
Crankshaft Sensor Peak Voltage Inspection
NOTE
Be sure the battery is fully charged.
Using the peak voltage adapter [A] is more reliable way
to determine the condition of the crankshaft sensor than
crankshaft sensor internal resistance measurements.
Disconnect the crankshaft sensor lead connector (see
Crankshaft Sensor ...