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Sportster Motorcycle General Discussion and Problems For discussing problems about your Sportster motorcycle that don't fit anywhere else.

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  #1  
Old 22nd July 2007
el jeffe el jeffe is offline
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Hey guys- any thoughts?
Last day or two there is a puff of smoke at the exaust when starting the engine - never did that before and it's gotten worse in one day.
Seems to run fine (?)
thanx
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  #2  
Old 22nd July 2007
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dabronco dabronco is offline
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What color is the smoke?
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  #3  
Old 22nd July 2007
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XLXR XLXR is offline
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Valve seal failure is common on 04's.
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  #4  
Old 22nd July 2007
el jeffe el jeffe is offline
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Quote:
Originally Posted by dabronco View Post
What color is the smoke?
Light blue / gray color,,,seems to be oil. After initial start-up it stops smoking.
She's got near 17K miles on her. May be time for that 1200 conversion (!)
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  #5  
Old 23rd July 2007
Krayven Sumhead Krayven Sumhead is offline
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Quote:
Originally Posted by XLXR View Post
Valve seal failure is common on 04's.
Yup, must have the old type valve seals. The old seals allow oil to puddle around the base of the seal, when the valve opens the oil drops into the cylinder and smokes on initial cold starts. How is the oil consumption? I'm using a quart every 2,500 miles.
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  #6  
Old 23rd July 2007
merc merc is offline
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No expert but is that common? Seems like a lot of oil use to me.
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  #7  
Old 23rd July 2007
el jeffe el jeffe is offline
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Quote:
Originally Posted by Krayven Sumhead View Post
Yup, must have the old type valve seals. The old seals allow oil to puddle around the base of the seal, when the valve opens the oil drops into the cylinder and smokes on initial cold starts. How is the oil consumption? I'm using a quart every 2,500 miles.
Oil consuption very low...I almost never have to add oil between changes, but then again I change it often.

How hard is it to replace the seals?
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