Triumph Explorer Owner's Handbook Manual page 178

Storage
Preparation after Storage
Install the battery (if removed) (see
page 164).
If the motorcycle has been stored for
more than four months, change the
engine oil (see page 139).
Check all the points listed in the Daily
Safety Checks section.
Before starting the engine, remove the
spark plugs from each cylinder.
Put the side stand down.
178
Crank the engine on the starter motor
several times until the oil pressure light
goes out.
Refit the spark plugs, tightening to
12 Nm, and start the engine.
Check and if necessary correct the tyre
pressures (see page 182).
Clean the entire vehicle thoroughly.
Check the brakes for correct operation.
Test ride the motorcycle at low speeds.