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21st May 2010
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Master Bike Builder
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Join Date: Aug 2008
Posts: 2,041 Sportster/Buell Model: 71 xlch Sportster/Buell Year: 73 Sportster/Buell Model #2: 74 xlh Sportster/Buell Year #2: 74 Other Motorcycle Model: BT rigid hand shift
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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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21st May 2010
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Rider Of The Iron Steed
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Join Date: Dec 2003
Location: London, ON Canada
Posts: 23,734 Sportster/Buell Model: XLH Sportster/Buell Year: 1978
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22nd May 2010
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XL FORUM TEAM MEMBER
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Join Date: May 2007
Posts: 4,104 Sportster/Buell Model: Ironhead XLH Sportster Sportster/Buell Year: 1978 Sportster/Buell Model #2: Ironhead XLT Sportster Sportster/Buell Year #2: 1977 Other Motorcycle Model: Honda CBX 1000 Other Motorcycle Year: 1979
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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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1978 Anniversary Edition XLH. Wiseco 10:1 forged pistons, Andrews R5 cams, dual plugged heads with Super Port Flow, single fire ignition, Mikuni Solex 36 PHH carb, Jagg oil cooler, '73 gauges, kickstart, Barnett kevlar clutch, Progressive front springs, Hagon Nitro shocks, all-Andrews tranny. 1977 XLT, Mikuni Solex 36 PHH carb, tapered dual exhausts, Andrews Y cams, Progressive front springs, Hagon Nitro shocks.
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22nd May 2010
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Master Bike Builder
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Join Date: Aug 2008
Posts: 2,041 Sportster/Buell Model: 71 xlch Sportster/Buell Year: 73 Sportster/Buell Model #2: 74 xlh Sportster/Buell Year #2: 74 Other Motorcycle Model: BT rigid hand shift
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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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22nd May 2010
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XL FORUM TEAM MEMBER
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Join Date: May 2007
Posts: 4,104 Sportster/Buell Model: Ironhead XLH Sportster Sportster/Buell Year: 1978 Sportster/Buell Model #2: Ironhead XLT Sportster Sportster/Buell Year #2: 1977 Other Motorcycle Model: Honda CBX 1000 Other Motorcycle Year: 1979
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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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22nd May 2010
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Master Custom Bike Builder
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Join Date: Mar 2006
Location: Athens, GA
Posts: 3,171 Sportster/Buell Model: XLCH Sportster/Buell Year: 1962
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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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22nd May 2010
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Senior Custom Bike Builder
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Join Date: Jan 2008
Location: Brisbane, Australia
Posts: 2,638 Sportster/Buell Model: 1000cc Ironhead Sportster Sportster/Buell Year: 1977 Other Motorcycle Model: 96 KDX200 Dirt Bike
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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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24 beers in a carton. ...24 hours in a day . .. coincidence??
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22nd May 2010
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Senior Chief Know It All 2nd Class
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Join Date: Oct 2007
Location: Terra Firma
Posts: 1,450 Sportster/Buell Model: XLH Sportster/Buell Year: 1979
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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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22nd May 2010
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Rider Of The Iron Steed
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Join Date: Dec 2003
Location: London, ON Canada
Posts: 23,734 Sportster/Buell Model: XLH Sportster/Buell Year: 1978
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Here's a pic of the foofoo valve that is inside the assembly ...
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22nd May 2010
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Master Custom Bike Builder
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Join Date: Mar 2006
Location: Athens, GA
Posts: 3,171 Sportster/Buell Model: XLCH Sportster/Buell Year: 1962
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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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