Yamaha SUV1200 WaveRunner 2004 Owner's/Operator's Manual page 76

3. Gradually open the throttle to 3/4 or less.
4. Continue operation at 3/4 throttle or less
until the first tankful of fuel has been
used.
5. Fill the tank with straight gasoline, and
then proceed with normal operation.
CAUTION:
@
Failure to follow the engine break-in pro-
cedure properly can result in severe
damage to the engine.
@
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