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#11
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Wasn't there a problem with some Optimaxes getting stuck in the "break
in" setting for the oil pump? I recall a fair amount of complaining about oil consumption of Optimaxes a few years ago. del cecchi "Clams Canino" wrote in message hlink.net... Yes, I think it's burning too much oil. I'd expect 2 per 100 - or less. NO you don't wanna screw with it. A 225 Opti is *far* too expensive a motor to repair to risk "fiddling" with such a critical system as the oil injection. That's one problem to take to a competant mechanic and have checked out. Change your own plugs, do your own waterpump and lower unit lube, but don't go sticking the "golden screwdriver" into an Opti. -W "Jon.boston" wrote in message om... The boat I just bought has a Merc 2000, optimax 225 engine, it seems to burn too much oil. It seems to use about 3 gallons of oil for every 80 gallons of gas.. Is there an adjustment or some likely thing to check. Thanks, Jon |
#12
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The boat and engine were alleged to only have been run 40 hours. So
it may still be in break-in mode? I run the boat between 4000-5000 RPM running around the harbor. Thanks for the help. Jon "Ron White" wrote in message ... When you get these engine the computer is set to double oil during break-in.Your comsumption figures seen to fall into the double oil range. As I understand, break-in is not a set number of hours but depends on how many hours at what speed. But for a rule of thumb, 100 hours should be plenty to satisfy the computer. Also after service work anybody with a Mercury DDT (scan tool with Merc programs) can reset the double oiling. This would be the case if a new powerhead was installed or an overhaul was done by someone with the proper shop equipment. The Merc SmartCraft gages can tell you the hours or you can have someone plug it into a DDT to get the hours and break-in status. Bottom line, if you don't know the break-in status you can just put some hours on it and see if that "fixes" it. Don't worry, be happy. |
#13
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It would be a good idea to not run it a 5000 except for brief bursts, I
limit my rpm while cruising to 4500 and usually around 4200-4300. but my motors are pretty much wide open at 5000 with max (WOT) being about 5200. Anyway, other than break-in you should get about 40-50:1 or more if you do a lot of slow trolling. The oiling rate is not adjustable it is set by the computer according to stored maps. -- Ron White Boat building web address is www.concentric.net/~knotreel |
#14
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I don't think it could still be in breakin-mode with that many hours. My 99
Mercury was to go off breakin-mode in 2 hours but it took 12hours. Go ask your question here www.screamandfly.com "Jon.boston" wrote in message om... The boat and engine were alleged to only have been run 40 hours. So it may still be in break-in mode? I run the boat between 4000-5000 RPM running around the harbor. Thanks for the help. Jon "Ron White" wrote in message ... When you get these engine the computer is set to double oil during break-in.Your comsumption figures seen to fall into the double oil range. As I understand, break-in is not a set number of hours but depends on how many hours at what speed. But for a rule of thumb, 100 hours should be plenty to satisfy the computer. Also after service work anybody with a Mercury DDT (scan tool with Merc programs) can reset the double oiling. This would be the case if a new powerhead was installed or an overhaul was done by someone with the proper shop equipment. The Merc SmartCraft gages can tell you the hours or you can have someone plug it into a DDT to get the hours and break-in status. Bottom line, if you don't know the break-in status you can just put some hours on it and see if that "fixes" it. Don't worry, be happy. |
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