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Jwellcraft

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Reply with quote  #16 
Yes thank you Nordmann for your explanation on this. So if this is the case with the fitting on the TB then #2 cylinder port would have still been getting oil from the crankcase drain? The pump just supplies a bit more under load? I see where one of those points on the lower TB is listed as a check valve and the other just a fitting. 

Cheers to all

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1989 206CC Wellcraft fisherman
2007 E-tec 250 E250DPZSUA Serial 5165179
14 3/4 x 19 Viper prop 5500rpms, A 52mph fishing machine,
15 1/2 x 17 Mercury Mirage plus 5,700-5,800 46mph.
14 5/8 x 19 Mercury Rev4 5,500-5,700 54mph.
Jwellcraft

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Reply with quote  #17 
Hey,

update on this oil issue. I have put 6 hours on the motor since the new oil pump install and so far its been ok but I am still getting a pretty large gap of oil not filling in the 7th oil line which leads up to crankcase T fitting. I don't know if this is normal or not but I would like if someone could actually run their motor and observe the flow in this particular line. I have primed the system multiple times and ran the winterization once which clears it up but after an outing or a couple of days sitting the gap in the oil line is back (maybe normal)?

Also today I took the boat out for a couple of hours and all was good with no alarms. Gave it a good running toward the end of the trip and pushed it up to 5,600 rpms to clear out some of the excess oil it was getting dumped into the crankcase through so many oil primes. When I returned home and was getting ready to flush the motor I inspected the oil lines to see how they were and the 7th was the usual gap (1 inch -2 inches from the end of the hose) and #2 the oil was about 1 1/2 back from the end of the hose at the crankcase fitting. Fired it up and the oil worked its way back to the #2 fitting after a minute or so. 

I primed the system once again to see if there was any bubbles in the 6 main oil lines and they remained full solid of oil but the #7 always has a bubble which comes up from the pump I guess every 5 seconds or so there's a bubble moving its way up to the T (not a very big bubble but not a tiny one either). If there's any other ideas or suggestions out there let me know or is this completely normal? As I said before, I could not observe the flow with the old oil pump and lines as they were just about black and oil flow was not visible but now that I have a new oil pump and lines are clear I can see.

Cheers



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1989 206CC Wellcraft fisherman
2007 E-tec 250 E250DPZSUA Serial 5165179
14 3/4 x 19 Viper prop 5500rpms, A 52mph fishing machine,
15 1/2 x 17 Mercury Mirage plus 5,700-5,800 46mph.
14 5/8 x 19 Mercury Rev4 5,500-5,700 54mph.
olypopper

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Reply with quote  #18 
Yep, you'll end up with an air bubble in that line. I replaced a powerhead and oil pump on one of these several years back and had the same question. It is normal.
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"Never believe what you read on the internet"-Abraham Lincoln
Jwellcraft

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Reply with quote  #19 
Great, thank you Oly. I just need to have my mind at ease so that I can take the boat out offshore without any worries with this. It's such a great running motor and I want to take good care of it especially that it makes me $$.

Cheers!

__________________
1989 206CC Wellcraft fisherman
2007 E-tec 250 E250DPZSUA Serial 5165179
14 3/4 x 19 Viper prop 5500rpms, A 52mph fishing machine,
15 1/2 x 17 Mercury Mirage plus 5,700-5,800 46mph.
14 5/8 x 19 Mercury Rev4 5,500-5,700 54mph.
Ferdi

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Bronze Level Member 3-2010 Gold Level 2013
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Posts: 618
Reply with quote  #20 
ssme bubbles in oillines should not be a problem, see also this thread from me, opened some years ago where i had an 150HO
http://www.etecownersgroup.com/post/oil-lines-to-crankshaft-bearings-full-with-air-3418699?trail=15&highlight=oillines

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kind Regards Ferdi
my site :D
Evinrude E-TEC 200HO, MY2008

location: Austria/Europe
slypaul

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Reply with quote  #21 
Hopefully adding to this topic is the right place.
I also have oil line breakage, primarily on the recircuation lines.  I replaced them once and they have now degraded and broken again.  I fear for the integrity of all the oil lines althogh the primary injection lines seem intact.  I did some research, the XD100 oil is actually blended with up to 20% synthetic ester lubricant (as per the Evinrude SDS), most likely polyol ester, which is not compatible with the polyurethane which I understand the oil hoses are made out of.  The synthetic ester makes the oil lines brittle and vibration breaks them.  http://mykin.com/rubber-chemical-resistance-chart-2 

I've ordered Viton hoses which are compatible but are not transparent so purging will be tricky.

I talked with Evinrude and they claim to not have any oil line breaking problems.  My engine is a 2009 with very low hours.  I suspect they either don't know they have a problem or are not willing to talk about it.

Are a significant number of others finding oil lines broken and brittle?
Jwellcraft

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Reply with quote  #22 
Hi Slypaul,

are these oil lines you are replacing them with genuine from Evinrude? My motor is a 2007 with 1500+ hours and all of the recirculation lines are still in good shape and the old oil lines from the oil injection pump that needed replacement were even still is good shape without any cracks or brittleness.

__________________
1989 206CC Wellcraft fisherman
2007 E-tec 250 E250DPZSUA Serial 5165179
14 3/4 x 19 Viper prop 5500rpms, A 52mph fishing machine,
15 1/2 x 17 Mercury Mirage plus 5,700-5,800 46mph.
14 5/8 x 19 Mercury Rev4 5,500-5,700 54mph.
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