NOTE
Be sure the transmission and external shift mechanism are good condition.

When changing the gear position from lower gear to higher gear, raise the rear wheel off the ground with the stand and rotate the rear wheel by hand.
Internal Circuit [C]
[1] LG Lead [2] G/R Lead [3] BK Lead
Special Tool - Hand Tester: 57001-1394

Gear Position Switch Resistance

If the tester reading is not as specified, replace the gear position switch with a new one.
Gear Position Switch Installation
Relay BoxSeparator Operation Test
WARNINGGasoline is extremely flammable and can be
explosive
under certain conditions. Turn the ignition
switch OFF. Do not smoke. Make sure the area is
well-ventilated and free from any source of flame
or sparks; this includes any appliance with a pilot
light.
...
Radiator and Radiator Fan Installation
If the radiator bracket [A] was removed, install it.
Install the radiator fan to the radiator
Tighten the radiator fan mounting bolts.
When installing the pad [B], install it so that the upper end
of the pad aligns with the corner top [C].
When install the pad [D], install it so that the ...
Relay Circuit Inspection
Remove the relay box (see Relay Box Removal).
Check conductivity of the following numbered terminals
by connecting the hand tester and one 12 V battery to the
relay box as shown in the figure (see Relay Box Internal
Circuit in this section).
If the tester does not read as specified, re ...