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fork seal
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27th March 2023
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Flat Track Champion
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Join Date: Jan 2019
Location: UK
Posts: 636 Sportster/Buell Model: XL1200T Sportster/Buell Year: 2017
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Long story short, posting the same question on different forums isn't getting you a different answer.
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27th March 2023
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XL FORUM LIFE MEMBER
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Join Date: Jul 2014
Posts: 9,130 Sportster/Buell Model: Xl1250S Sportster/Buell Year: 98 Other Motorcycle Model: Kawasaki Vulcan 500 Other Motorcycle Year: 95
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A common misconception is the oil heats up as fast as the motor.
The heads will be much hotter much faster than the oil after a short idle shutoff.
This is normal.
Rolling the motor over in 5th gear does little to nothing for circulating oil.
I hope you didn't wrang the throttle just to get that good feeling on fire-up.
It's possible you got a pool of oil in the heads right where the breather holes.
That could be the smoke as a pool of oil would have no choice but to buildup pressure and blow out at once.
The spillage would make splash and smoke until the path is clear.
More info is needed for any more diagnoses than what's already been given.
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28th March 2023
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Flat Track Racer
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Join Date: Apr 2018
Location: Stewartstown, PA
Posts: 222 Sportster/Buell Model: XLH1200S Sportster/Buell Year: 2003 Other Motorcycle Model: Harley Trike FLHTCUTG Other Motorcycle Year: 2019
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Run a compression test on the cylinders before taking anything apart. If you have good and near equal compression on both cylinders then your head gasket(s) should be good.
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28th March 2023
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Bike Builder
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Join Date: Apr 2019
Location: 17130 Spain
Posts: 1,885 Sportster/Buell Model: XL 883 ₪ 1275 Sportster/Buell Year: 2006 Other Motorcycle Model: Big Dog K9 Other Motorcycle Year: 2006
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Quote:
Originally Posted by jigoe007
It's some what of a bare bones chopper.. No instrument lights.. One positive thing I guess is I shut it off so the engine didn't seize up! I think next weekend I'll take a look at the front cylinder head..
https://imgur.com/a/pZwbke8
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Last edited by Highly-Dangerous; 28th March 2023 at 06:02..
Reason: Image too Big.
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28th March 2023
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Custom Bike Builder
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Join Date: Mar 2015
Location: Europe Slovenia
Posts: 2,327 Sportster/Buell Model: sportster 1200 Sportster/Buell Year: 1986
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There should always be an oil light, no matter how bare bone the bike is...
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2nd April 2023
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Biker
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Join Date: Apr 2015
Posts: 43 Sportster/Buell Model: 1200C Sportster/Buell Year: 2001
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I started it up yesterday and took it for a short ride. The oil tank was warm to the touch after a few minutes of riding so the oil is definitely circulating but I'll have to replace the front head gasket. While riding every time I opened the throttle a little I noticed and felt with my hand a leak from the left side of the front head gasket area.
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2nd April 2023
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XL FORUM LIFE MEMBER
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Join Date: Jul 2014
Posts: 9,130 Sportster/Buell Model: Xl1250S Sportster/Buell Year: 98 Other Motorcycle Model: Kawasaki Vulcan 500 Other Motorcycle Year: 95
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Quote:
Originally Posted by koolbreeze
Run a compression test on the cylinders before taking anything apart. If you have good and near equal compression on both cylinders then your head gasket(s) should be good.
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^^^^^^^
It's your money but sometimes you can create more work than is required.
We don't know how the motor sounds like, what the compression is, and a hundred other questions.
I'd do the compression test, if it fails then go in.
If it passes, you may have rocker box gasket leak instead.
If the rocker box gaskets leak, you may have a worn out breather valve in the middle rocker boxes.
If...If....If....
The two middle head gasket bolts on the right side are weak due to placement and care should be taken while removing the head bolts.
Do them in sequence like you are installing them.
If something don't feel right when removing them, stop and find out why.
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