Yamaha XZ550RJ 1982 Service Manual page 171

Sidestand switch
1. Remove the right sidecover, TCI unit, and
reservoir tank from the frame.
2. Disconnect the connector from the wiring
harness.
3. Connect the pocket tester leads as shown,
and set the tester selector to ohm x 1.
When the
should read zero ohms. When the side-
stand is down, the tester should read infin-
ity.
1. Sidestand is down
2. Sidestand is up
3. Black
4. Blue/Yellow
sidestand is up, the tester
171