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5-5
OPERATION AND IMPORTANT RIDING POINTS
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EAU00436
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
overheating must be avoided.
EAU03731
0–150 km (0–90 mi)
8 Avoid prolonged operation above
1/3 throttle.
8 After every hour of operation,
stop the engine, and then let it
cool for five to ten minutes.
8 Vary the engine speed from time
to time. Do not operate the
engine at one set throttle posi-
tion.
150–500 km (90–300 mi)
8 Avoid prolonged operation above
1/2 throttle.
8 Rev the engine freely through
the gears, but do not use full
throttle at any time.
500–1,000 km (300–600 mi)
Avoid prolonged operation above 3/4
throttle.
ECA00077
cC
After 1,000 km (600 mi) of opera-
tion, the engine oil must be
changed, the oil filter element
cleaned, and the oil strainer
cleaned.
1,000 km (600 mi) and beyond
Avoid prolonged full-throttle opera-
tion. Vary the speed occasionally.
EC000049
cC
If any engine trouble should occur
during the engine break-in period,
immediately have a Yamaha dealer
check the vehicle.