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  #1  
Old 3rd April 2009
krono's Avatar
krono krono is offline
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Join Date: Feb 2008
Posts: 975
Sportster/Buell Model: XL 883
Sportster/Buell Year: 2004
Sportster/Buell Model #2: XL 1200 C
Sportster/Buell Year #2: 2008
Other Motorcycle Model: Motomel X3M 125
Other Motorcycle Year: 2007
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Unhappy Oil leak in my 2008 1200 C

Well, my 2008 XL 1200 C started to leak oil from the rear cylinder, on the top

Is a small leak.

Im wondering : a) how I fix this, b) it is related to my mods?

My mods are: SE SP (with drilled core), and a PC III with a rich map, also the spark plugs show that the bike is running pretty ok, mostly on the rich side.

Well, the pic


Do you think that the Power Commander III USB had something to do with this leak? I do not ride hard the bike, has about 10,000 km on it, mostly on open roads (I was following the Dakar Rally during the summer).

note: Im in Argentina, we have 1 dealer, and is like 650 km from were Im right now... so Im quite up with this... also this machine is exotic here so most indies have never seen a Harley in person in their lives...
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  #2  
Old 3rd April 2009
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AussieGazza AussieGazza is offline
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I don't think that your mods have caused a problem.
Leaks in the rocker boxes are very common.
Is it just above the cylinder or the rocker cover on the very top??
Top cover is very easy to fix it yourself. Get new gaskets and a manual.
Bottom rocker box itself pretty involved. Check the manual and decide whether you want to do it.
Could also try torqueing up to spec to see if it fixes the problem before changing the gaskets.
Good luck.
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I'm not a complete idiot -- Some parts are missing (but on order from EBay).

Supertrapp 2-1 with 18 plates and closed end cap, 11.5" 412 Progressive with Heavy Duty springs and Progressive fork springs. Mikuni 45carb/SE 44 manifold. NRHS 88" with Stage 2 ported 04 heads with 15 degree squish band, SE .536 cams, crane roller rockers and lifters, NRHS Hurricane Adj Pushrods and Collapsible Covers. Ultima prog ign. 180 main jet, 3 turns, 20 idle jet and 97 needle at 3rd notch. AIM 240 Clutch. LRB Z Plus Brake Pads on dual front brakes. Kuryakyn Boss Blade Levers + Forcewinder XR A/C.
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  #3  
Old 3rd April 2009
ernofsteel ernofsteel is offline
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wow that sux krono, i had my base gaskets leaking after 18 thou miles but thats really common on 90s HD cuz of poor engineering. don't really know but i'll keep reading yer post to see possible answers bro.

Last edited by cantolina; 3rd April 2009 at 16:52.. Reason: removed political content
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  #4  
Old 3rd April 2009
krono's Avatar
krono krono is offline
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Join Date: Feb 2008
Posts: 975
Sportster/Buell Model: XL 883
Sportster/Buell Year: 2004
Sportster/Buell Model #2: XL 1200 C
Sportster/Buell Year #2: 2008
Other Motorcycle Model: Motomel X3M 125
Other Motorcycle Year: 2007
Reputation: 11783
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Uh seems that it is just above the cylinder ...
Thanks for the answers!
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  #5  
Old 3rd April 2009
NRHS Sales NRHS Sales is offline
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I would say that is a rocker box leak for sure. Have your dealer fix it under warranty as there have been lots of 07s and up that the rocker box bolts are loose from the factory. they need to check it.
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