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Author Topic: S&S V124 Front Head/Cylinder Seeping.  (Read 328 times)

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ltank

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    • CVO1: 2000 FXR4 S&S V111, CustomS.S. 2-1 exhaust, Primo-Rivera OD 6 speed, 49mm Custom Front End Ohlins 30mm Fork cartridges , Hyperpro Shocks, Barnett Scorpian Clutch
    • CVO2: 1983 88" Shovelhead Won the World of Wheels 1985 Sept 85 Issue of Hot Bike Mag
    • CVO3: 1989 FXRS, 1990 Custom 100" Shovelhead/ EVO
S&S V124 Front Head/Cylinder Seeping.
« on: May 06, 2021, 06:04:52 PM »

My S&S V124 front head/ cylinder gasket is starting to leak. It looks like it at the oil return from the head to cylinder. Is this a common problem? I always warm the motor by running it about 3 minutes and Ride slowly for 2 miles on dirt road before accelerating.
  I have a RSR Air/Fuel Ratio meter and it shows good. The Sensor is in the front pipe. Any Advice?
 Is it something did wrong?
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johnsachs

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Re: S&S V124 Front Head/Cylinder Seeping.
« Reply #1 on: May 07, 2021, 05:29:09 PM »

It could be a stud that's pulling itself out of the case. Are you sure it's the head gasket weeping, and not a bad exhaust valve guide seal, or loose guide letting oil exit the exhaust port between the pipe and port ? You can put an air fitting in your spark plug hole, pressurize the cylinder after removing the pushrods. That should point you to the problem quickly.
John
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ltank

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    • LA

    • CVO1: 2000 FXR4 S&S V111, CustomS.S. 2-1 exhaust, Primo-Rivera OD 6 speed, 49mm Custom Front End Ohlins 30mm Fork cartridges , Hyperpro Shocks, Barnett Scorpian Clutch
    • CVO2: 1983 88" Shovelhead Won the World of Wheels 1985 Sept 85 Issue of Hot Bike Mag
    • CVO3: 1989 FXRS, 1990 Custom 100" Shovelhead/ EVO
Re: S&S V124 Front Head/Cylinder Seeping.
« Reply #2 on: May 07, 2021, 07:25:47 PM »

Ok thank you.
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ltank

  • 1K CVO Member
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  • Posts: 1189
    • LA

    • CVO1: 2000 FXR4 S&S V111, CustomS.S. 2-1 exhaust, Primo-Rivera OD 6 speed, 49mm Custom Front End Ohlins 30mm Fork cartridges , Hyperpro Shocks, Barnett Scorpian Clutch
    • CVO2: 1983 88" Shovelhead Won the World of Wheels 1985 Sept 85 Issue of Hot Bike Mag
    • CVO3: 1989 FXRS, 1990 Custom 100" Shovelhead/ EVO
Re: S&S V124 Front Head/Cylinder Seeping.
« Reply #3 on: May 07, 2021, 07:33:49 PM »

Bike isn't using excessive amount of oil. Maybe a cup of oil every 3500 miles. There isn't any oil in the exhaust pipe header. If it was a guide or a seal etc wouldn't it show up on the spark plug? Spark plug looks fine
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