Yanmar Diesel Leak - with picture!

[Spyro]

If the one on the right is the bleed screw what is the one with the copper washer for?

 

[Zagato]

If the one on the right is the bleed screw what is the one with the copper washer for?

Bumped this thread for you Spyro

The engineer who serviced mine is going to look at mine today free of charge as he's on the water in the vicinity

 

[Spyro]

Cheers. As far as I remember I've used both and they both seem to be bleed screws

 

[Zagato]

Engineer said it was bleed screw, has tightened it but suggests a new washer, said you can put a new one on without having to bleed the system if you are quick