Yamaha 70hp two stroke 2006

[broadloom]

WHILE CHANGING GEAR CASE OIL I NOTICED OIL COMING OUT OF THE WATER INTAKE WHEN GEAR CASE NEAR FULL, ONE QUART.

IS THIS OVERFLOW PROTECTION AND NORMAL???

 

[rodbolt]

Re: Yamaha 70hp two stroke 2006

no and no
tell us, by chance did you reinstall the top plug before filling it with oil?