Yamaha Big Bear Professional YFM400FW Manual Del Propietário página 158

1. 0 ~ 10 hours:
Avoid continuous operation above half
throttle. Allow a cooling off period of five
to ten minutes after every hour of opera-
tion. 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
3/4 throttle.
through the gears but do not use full
throttle at any time.
3. After break-in:
Avoid prolonged full throttle operation.
Vary speeds occasionally.
6-25
operation
Rev the machine
above
freely