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BillyMako

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Reply with quote  #31 
Yeah as soon as he tried cranking it over he said that something doesn't sound right.
BillyMako

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Reply with quote  #32 

Would it be worth changing to XD-50 because i do plenty of trolling ( 5-8 hour days) ?

In regards to the slow cranking, he mentioned something about the piston seizing or sticking.

I've told him to check oil delivery and he said he will also change the fuel injector for a new one.

When we purchased the boat a few years ago it had the power head replaced under warranty. Not sure if it was because of the same issue or not.

The 2 good bores still had the cross honing marks on the walls and the 3rd bad bore was all black.

olypopper

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Reply with quote  #33 
It most likely died due to a lean condition, not lack of oiling. At least you found out what the ACTUAL problem is........
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Huey

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Reply with quote  #34 
BillyMako, what is the serial number of this engine?
steelhead

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Reply with quote  #35 
I would be taking that damaged piston/ring back to the first "mechanic_not" and putting some education bumps on his head plus demanding at least 50% $450 back for shoddy incompetent overpriced repairs.

Very lucky you did not end up with far more engine damage to the point of crank failure.

The TC-W3 lube you are using now is serving you very well with cross hatching still on the 2 operational cylinders.

Where you at the in the world.  Semi synthetic TC-W3 outboard lube oils here in the states have became much more reasonable in price.  They are cleaner burning and produce less obnoxious smoke and odor trolling than the lower cost 100% base stock crude oil brands.

2 Pennzoil products that we have here in the US and can be bought for less than the XD50 are:

http://www.pennzoil.com/other-car-products/engine-oil/pennzoil-marine-xlf-synthetic-blend-2-cycle-outboard-engine-oil-extended-life-formula/

http://www.pennzoil.com/other-car-products/engine-oil/pennzoil-marine-premium-plus-2-cycle-oil/
BillyMako

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Reply with quote  #36 
Hi, motor has now been rebuilt and oil settings set to xd50 but will still use xd100 oil.
Does this sound ok for my use which is mostly trolling?
Huey

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Reply with quote  #37 
That would be the best situation. Making sure the engine is coming upto temp at idle is important and I hope the rebuilder checked the fuel flow of each injector and can be done with the laptop making sure they respond to leaner/richer. Confirm he checked the timing too and did the break-in reset.
BillyMako

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Reply with quote  #38 
Yes its all ready, changed the oil setting the break in clock has been restarted and the new injector has bee fitted with its correct coefficient
data. No more slow cranking.
olypopper

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Reply with quote  #39 
"
No more slow cranking."

Well at least you got there..........................via the long route! 
              
 

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BillyMako

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Reply with quote  #40 
Yeah after paying $300+ to get wiring changed over the whole time the slow cranking was the seizing piston. The slow cranking has been ongoing for over a year now so the piston has been playing up for a long time.
Towbarman

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Reply with quote  #41 
Quote:
Originally Posted by BillyMako
Yeah after paying $300+ to get wiring changed over the whole time the slow cranking was the seizing piston. The slow cranking has been ongoing for over a year now so the piston has been playing up for a long time.
Towbarman

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Reply with quote  #42 
I know that feeling slow cranking ! Still got my problem but without the piston problem
PhilH12

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Reply with quote  #43 
Not the best to resurrect 5 year old posts.  [wink]

Do you have the updated starter, mentioned back around post #16?  They work much better in the cold.  Also verify good wiring, etc, especially in a salt environment.

Phil

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Always check the Easy Stuff First!
20' Weeres fishing pontoon
90 HP E-Tec E90DPLSUM  05184332
Lake Tawakoni, TX - Catfish Capital of Texas
Towbarman

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Reply with quote  #44 
Ends in 007 yes think so ?
PhilH12

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Reply with quote  #45 
That's how I read it - Yes.  Also, as Huey said - "and a simple hole cut in the original flywheel cover does the trick the same as the new style cover".

Phil

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Always check the Easy Stuff First!
20' Weeres fishing pontoon
90 HP E-Tec E90DPLSUM  05184332
Lake Tawakoni, TX - Catfish Capital of Texas
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