Thanks Luddite...I'm going to take a look up the breather pip with the car on a lift...maybe it's blocked with sludge. But I'm wondering how to clear it. Best idea is probably to remove it from the block - no? Looking at the exploded views of the Triumph motor, it's not clear to me how the crankcase breather is removed? It's not threaded - is it just pressed in place? Is there a set screw?
Last edited by Crowbar; 02/12/24 10:42 PM.