Help! Harley-Davidson Evo Engine Problem
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6th Gear
Joined: Jul 2008
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Help! Harley-Davidson Evo Engine Problem
Hi!
I have a 1990 H-D FLSTC (Evolution 1340, bottom-breather engine, wet-clutch models),
55000 miles.
Engine have static compression pressure:
Front cylinder 145 PSI
Rear cylinder 140 PSI
My problem - engine oil bleeding into primary (about 0,5 QT on 350 miles).
I have installed new oil seal (OEM 12026B) &\\; new spacer (OEM 24002-70) and problem steps out still...
 \\;
What is cause??? Any ideas???
 \\;
Thanks in advance...
jaro
POLAND
I have a 1990 H-D FLSTC (Evolution 1340, bottom-breather engine, wet-clutch models),
55000 miles.
Engine have static compression pressure:
Front cylinder 145 PSI
Rear cylinder 140 PSI
My problem - engine oil bleeding into primary (about 0,5 QT on 350 miles).
I have installed new oil seal (OEM 12026B) &\\; new spacer (OEM 24002-70) and problem steps out still...
 \\;
What is cause??? Any ideas???
 \\;
Thanks in advance...
jaro
POLAND
Thread Starter
|
6th Gear
Joined: Jul 2008
Posts: 12
Likes: 0
From:
RE: Help! Harley-Davidson Evo Engine Problem
I ride with motorcycle almost every day.
I did not see the cracks of inner engine case (I disassembled Primary twice).
...Maybe is \\;too large pressure in crankcase??? ...from what???[sm=insomnia.gif]
 \\;
 \\;
 \\;
Sorry, if my English is not perfect
jaro
POLAND
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6th Gear
Joined: Jul 2008
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RE: Help! Harley-Davidson Evo Engine Problem
Dr.Hess
You think, that my bearings be worn out and this causes, that engine oil bleeding into primary???
Can You this somehow \\;motivate (from technical side)?
 \\;
Seasoned HDF Member
Joined: Aug 2007
Posts: 8,202
Likes: 3,089
From: NW AR
RE: Help! Harley-Davidson Evo Engine Problem
I'm not sure, jaro. \\; I have not had the problem and that bearing hardly ever goes bad. \\;
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Seasoned HDF Member
Joined: Aug 2007
Posts: 8,202
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From: NW AR
RE: Help! Harley-Davidson Evo Engine Problem
I have read that people say the leak is at the case at the bearing race, not worn bearings. \\; That seems to be quite a leak. \\;
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Seasoned HDF Member
Joined: Aug 2007
Posts: 8,202
Likes: 3,089
From: NW AR
RE: Help! Harley-Davidson Evo Engine Problem
What you might try doing is take the primary cover off, pull the chain off, clean all the oil off, start the motor and look closely for exactly where the leak is coming from.