Yamaha T115SE 2019 Owner's Manual page 31

OPERATION AND IMPORTANT RIDING POINTS
0-150 km (0-90 mi)
5
Avoid prolonged operation above 1/3
throttle.
After every hour of operation, stop the
engine, and then let it cool for five to ten
minutes.
Vary the engine speed from time to
time. Do not operate the engine at one
set throttle position.
150–500 km (90–300 mi)
Avoid prolonged operation above 1/2
throttle. Rev the engine freely through
the gears, but do not use full throttle at
any time.
5-4
500 –1000 km (300 –600 mi)
Avoid prolonged operation above 3/4
throttle.