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Ironhead Sportster Motorcycle Talk (1957-1985) For all those that wanna talk about Ironhead Sportster Motorcycles

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  #1  
Old 21st May 2010
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Default no more foo foo's at NOSPARTS

Nosparts.com ran out of foo foo valves so I guess it is either the KrankVent, the Doherty, or the Feuling positive vent systems.

anybody use these???? the doherty and the feuling are about 80 bucks on sale right now at dennis kirk, the krankvent is about 100

all for a simple reed valve
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Old 22nd May 2010
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Try Mary at Jims HD: info@jimsharley-davidson.com
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Old 22nd May 2010
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Sportster/Buell Model: Ironhead XLH Sportster
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Foo foo valves were only used on '77 and '78 model years. Your profile indicates you have earlier Ironheads that have timed breather valves on the oil pumps. A bit confused here....

Eric
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Old 22nd May 2010
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eric,

C'mon...I've built several of these bikes from cases up....I just got a 77 basket and will build it over summer.....the cases need attention....no foo foo was present in the baskets....the guy said the bike was always oily....no foo foo and blow by will cause this
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Old 22nd May 2010
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OK, I understand now. The valves do come up on Ebay frequently from one source so you might watch for a little while before committing to another breather style.

Eric
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Old 22nd May 2010
GA_Ironhead GA_Ironhead is offline
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There's got to be one laying around a dealer somewhere, gathering dust. Check the parts locator...
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Old 22nd May 2010
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Jims Harley Davidson like Mick said is where we got ours. ...i've got a dealer list on my work laptop of who had them in stock a year or so ago. . .can dig it out Monday if your still looking
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Old 22nd May 2010
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If all else fails you can machine an aluminium plug with a 5/8" hole in it. The actual flapper valve is made from some 30 -32 guage (~0.010" thick) SS sheet metal with an ear to accept the two small hold down screws.

With an ever so slight bend near the base of the ear the flapper will stay against the plug's hole and yet lift when the crankcase pressure starts to rise.


As I recall some styles of brake calipers have a thin SS shim that sits between the inboard brake pad and the piston - it may be just the ticket for the flapper part.

Cheers;
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Old 22nd May 2010
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Here's a pic of the foofoo valve that is inside the assembly ...

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  #10  
Old 22nd May 2010
GA_Ironhead GA_Ironhead is offline
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http://www.chicagoharley.com/shop/ad...633-77&x=0&y=0 shows it listed. Whether or not it is in current inventory is entirely another question.
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