What are the holes for, in the exhaust and also in the chrome drive leg?
The two holes at the back of the exhaust are to help limit back pressure when you start the motor. Of course if you mount the motor too deeply they cannot cope and you will still have a problem, so make sure the bottom of the straight exhaust pipe is only about 1 or 2 inches beneath the water. Of course British Seagull Fans will know the real reason for these holes is to allow your British Seagull to bark! A distinctive note I hope to hear in the creeks and rivers locally, for many years! The 4 holes in the chromed pipe are to allow water to drain when the motor is lifted clear of the water. They let air in so water escapes at the lower end. Sometimes water will escape from the lower ones if the water from the pump cannot easily get up into the block… a partial blockage… back flush the system and ensure a good flow from the outlet under the head, if that is OK and it still squirts out, never mind! My British Seagull runs for 15 minutes then loses power, slowing to a stop. It is not
