I found three of the four waste-gate flaps in the lower unit this fall when I removed the prop. I was able to remove them with a needle nose pliers. I think these flaps are spring loaded and open up when at speed to allow exhaugst to exit through the prop, but now they are gone.

Does anyone think it will cause damage running with these flaps missing? I know it will be louder at speed, but do you think additional damage could accour from running like this?

Thanks for any insight!

Tom

they are probably the y pipe flaps and not the corsa flaps as the corsa flaps are metal and to large to fall down the y pipe
by not running the y pipe flaps you could risk water ingestion