"On my engine a Volvo Penta TM
"On my engine a Volvo Penta TMD 30, there is a siphon hose on the exhaust system. I understand it is to prevent backfow into the engine under certain conditions but I am wondering if sea water is supposed to be passing thru these hoses when the engine is running...
"On my boat there is a siphon
"On my boat there is a siphon hose on the exhaust. I understand it is to prevent backfow into the engine under certain conditions but I am wondering if sea water is supposed to be passing thru these hoses when the engine is running? I have recently cleaned out some...