W wheats New Member Jul 27, 2012 #1 Have 240 merc m2, how long if any can i flush engine out?. Friends come by to check out boat and of course.. i have to cranks up engine for them..sounds awesome... thanks.
Have 240 merc m2, how long if any can i flush engine out?. Friends come by to check out boat and of course.. i have to cranks up engine for them..sounds awesome... thanks.
Dr Honda Well-Known Member Jul 29, 2012 #3 CaptSteve said: You may want to move this to the Merc. section of the forum. Click to expand... Moved. On the merc engine... you can pretty much run it on the hose as long as you want. BUT... you aren't supposed to rev it up.
CaptSteve said: You may want to move this to the Merc. section of the forum. Click to expand... Moved. On the merc engine... you can pretty much run it on the hose as long as you want. BUT... you aren't supposed to rev it up.
