Yamaha XZ550RJ 1982 Owner's Manual page 149

NOTE: _ _ _ _ _ _ _ _ _ _ _ _ _
If you found any leaks, ask a Yamaha dealer
or other qualified mechanic to inspect.
WARNING:
Stop the engine immediately, if the
coolant comes out from the small hole
located just below the bypass pipe on
the right crankcase cover as shown. Ask
a Yamaha dealer to repair the water
pump sealing.
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