Engine Break-In - Yamaha VINO YJ50RR Owner's Manual

REAR
8 Railroad crossings, streetcar
rails, iron plates on road con-
struction sites, and manhole
covers become extremely slip-
pery when wet.
slow down when approaching
such areas and cross them
with caution.
8 Keep in mind that braking on a
wet road is much more diffi-
cult.
8 Ride slowly down a hill, as
braking downhill can be very
difficult.
OPERATION AND IMPORTANT RIDING POINTS

Engine break-in

There is never a more important peri-
od in the life of your engine than the
period between 0 and 1,000 km
(600 mi). For this reason, you should
read the following material carefully.
Since the engine is brand new, do
not put an excessive load on it for the
first 1,000 km (600 mi). The various
parts in the engine wear and polish
themselves to the correct operating
clearances. During this period, pro-
longed full-throttle operation or any
condition that might result in engine
Therefore,
overheating must be avoided.
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0–150 km (0–90 mi)
8 Avoid prolonged operation above
8 After every hour of operation,
8 Vary the engine speed from time
150–500 km (90–300 mi)
Avoid prolonged operation above 1/2
throttle.
cC
After 500 km (300 mi) of operation,
be sure to replace the final trans-
mission oil.
500–1,000 km (300–600 mi)
Avoid prolonged operation above 3/4
throttle.
5-4
1/3 throttle.
stop the engine, and then let it
cool for five to ten minutes.
to time. Do not operate the
engine at one set throttle posi-
tion.
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