EVO All Evo Model Discussion

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Old Mar 26, 2014 | 04:28 PM
  #31  
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My 2 cents is any engine will last longer if ya give it a minute to warm. If you crank a cold motor and tach it out is like slapping your wife to wake her up. Not good.
 
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Old Mar 26, 2014 | 04:44 PM
  #32  
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Originally Posted by Dan89FLSTC

I think the myth was started by dealers to put the blame for leaking base gaskets on the owner instead of blaming the real culprit...shitty base gaskets and poor machining.
That there sounds about right!
 
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Old Mar 26, 2014 | 04:56 PM
  #33  
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You always gotta ride gently until its warm but that isn't about gaskets leaking.

BTW the oil leaks on the base gaskets are by the return gallery.....there isn't any pressure other than gravity in there, what blows the oil out is crankcase pressure.

A lot of myths out there, especially around Evo's....its just a machine dudes...a cool one admittedly but it doesn't have its own laws of physics to make it work...
 
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Old Mar 26, 2014 | 11:42 PM
  #34  
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Originally Posted by aces&8s
might as well get rid of the kickstand and headlight too.
They already did......... it's jiffy stand and forward-facing-illumination now.
 
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Old Mar 27, 2014 | 12:28 AM
  #35  
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Originally Posted by Spanners39
I would say its a myth....the original paper gaskets will leak eventually as they go hard and crumble..
Anything to save a few pennies when assembling a $15,000 bike (back then). Look at GM and the $1.00 ignition 'fix'.

Originally Posted by grbrown
Myth! I bought my 1990 bike new and back then it was common knowledge that after a few thousand miles base gaskets may start to leak.
My brand new 1993 FLHS went 12 months before the weeping began. And another 12 years before I fixed it.

Originally Posted by grbrown
My favourite indy reckons oil gauges on an Evo are a darned nuisance and should be banned!
EVO oiling is flow, not pressure. Before I tossed my third (and last) oil pressure gauge into the trash, I could regularly record oil pressure under 10 psi. One time it went to ZERO! As long as the oil is flowing, and the motor doesn't sound like two midgets beating a Studebaker with sledgehammers.... You're fine.

Originally Posted by grbrown
Perhaps you should replace the oil gauge with a compass?!
As long as it isn't a cup holder. Or a 'Harley-Davidson' logo shift rod. Or more than two gold 'Live to Ride' do-dads.

Originally Posted by aces&8s
If you crank a cold motor and tach it out is like slapping your wife to wake her up. Not good.
Depends on what you're slapping her with.... I was young once....

Originally Posted by Spanners39
BTW the oil leaks on the base gaskets are by the return gallery.....there isn't any pressure other than gravity in there, what blows the oil out is crankcase pressure.
Yep. And a pizz poor design by The MoCo. Had they only installed a hollow dowel pin the oil would not have had the opportunity to 'pool' around the base gasket. Again, tripping over dollars to pick up pennies.
 

Last edited by Hackd; Mar 27, 2014 at 12:30 AM.
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Old Mar 27, 2014 | 01:23 PM
  #36  
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FWIW, I've warmed mine religiously from day-one when I bought the bike new in 1997. The rear base gasket just started weeping a couple of years ago. Not bad, just moist with oil at the base. I probably won't bother replacing the gasket until I see a drip on the floor.

Because of this, I believe it will eventually happen to any EVO with stock base gaskets at some time.
 
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Old Mar 27, 2014 | 07:21 PM
  #37  
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Originally Posted by PanHeadRich
FWIW, I've warmed mine religiously from day-one when I bought the bike new in 1997. The rear base gasket just started weeping a couple of years ago. Not bad, just moist with oil at the base. I probably won't bother replacing the gasket until I see a drip on the floor.

Because of this, I believe it will eventually happen to any EVO with stock base gaskets at some time.
Key word: stock gaskets. Also original milling of jugs and crankcase not too good either. When I built my engine I had all surfaces milled flat.

Hmmm, 97 = 17 years of no sepage and you warmed it up. I think Ill stay with warm it up.
 

Last edited by aces&8s; Mar 27, 2014 at 07:24 PM.
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