cooling YAMAHA YFM80 2002 Manuale de Empleo (in Spanish)

6-23
Each full throttle acceleration sequence should
be followed with a substantial rest period for the
engine by cruising at lower r/min so the engine
can rid itself of the temporary build up of heat.
If any abnormality is noticed during this period,
consult a Yamaha dealer.
1. 0 ~ 10 hours:
Avoid continuous operation above half
throttle. Allow a cooling off period of five to
ten minutes after every hour of operation.
Vary the speed of the machine from time to
time. Do not operate it at one set throttle
position.
2. 10 ~ 20 hours:
Avoid prolonged operation above 3/4 throt-
tle. Rev the machine freely through the
gears but do not use full throttle at any
time.
3. After break-in:
Avoid prolonged full throttle operation.
Vary speeds occasionally.
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