Right-hand End Cover and Negative Brushes [A] Terminal Bolt and Positive Brushes [B]
Special Tool - Hand Tester: 57001-1394
If there is not close to zero ohms, the brush lead has an open. Replace the brush plate assy.

Armature Inspection
Right-hand End Cover InspectionPiston Ring, Piston Ring Groove Wear Inspection
Check for uneven groove wear by inspecting the ring seating.
The rings should fit perfectly parallel to groove surfaces.
If not, replace the piston and all the piston rings.
With the piston rings in their grooves, make several measurements
with a thickness gauge [A] to determine pisto ...
Drive Chain Wear Inspection
Remove the chain cover (see Drive Chain Removal/Installation
in the Final Drive chapter).
Rotate the rear wheel to inspect the drive chain for damaged
rollers, and loose pins and links
If there is any irregularity, replace the drive chain.
Lubricate the drive chain if it appears dry.
...
Wheel Rotation Sensor Rotor Inspection
Remove:
Wheels (see Front/Rear Wheel Removal in the
Wheels/Tires chapter)
Brake Disc Mounting Bolts [A]
Sensor Rotor [B]
Front Wheel [C]
Rear Wheel [D]
Visually inspect the wheel rotation sensor rotor.
If the rotor is deformed or damaged (chipped teeth [A]),
replace the ...