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EFI Sportster Motorcycle Talk (2007 and up) For 2007 and above Sportsters

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  #1  
Old 20th May 2008
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Default Running Lean/Pipes blueing

I've just picked up a 07 Nightster with 800 miles on her. and I've noticed the exhaust header is blueing under the heat shields (not bad but around the cylinder heads)

1. Will i be doing any damage to engine till I make my first service?
2. Is this because the previous owner had Screaming Eagle slip-ons installed?
3. Will this be adjusted and corrected when I take her in for Service?

All help and Info appreciated.

MVH
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  #2  
Old 20th May 2008
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They'll adjust it if it needs it but some blue on the pipes around the exhaust port is normal. It's just because it gets so hot and the factory sets them lean to begin with. I wouldn't worry about it.
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Old 20th May 2008
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Originally Posted by blakjak View Post
They'll adjust it if it needs it but some blue on the pipes around the exhaust port is normal. It's just because it gets so hot and the factory sets them lean to begin with. I wouldn't worry about it.
Agreed ! Its about how it runs and did you check your plugs !
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  #4  
Old 20th May 2008
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Most all pipes are going to blue with some mileage... especially if the bikes a bit on the lean order... My old drags were somewhat blue & its ran great since I got it.
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  #5  
Old 20th May 2008
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All chrome pipes will blue or golden. Nothing to worry about based solely on the pipes. You can do slipons on the EFI bikes without changing the EFI provided you leave the A/C enclosed. If you do open the A/C then chances are good you will need to get the EFI reprogrammed or buy an aftermarket fuel program.
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  #6  
Old 20th May 2008
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Thanks!

This is my first Harley, I had an 86 Virago 1100 and had to have the nightster as soon as I saw one. The ride and power is a totally different experience here and I love it. I love the the sound and feeling of those 1200cc's rumbling.

I'm hoping the SE slip-ons won't effect my warranty, being that I'm bringing in a pre-owned HD for first service.

Any thoughts?

MVH
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Old 20th May 2008
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Quote:
Originally Posted by Shu View Post
All chrome pipes will blue or golden. Nothing to worry about based solely on the pipes.
BINGO that's one of the reasons those CHROMED heat shields are there in the first place.

here's the first day I rode my new Breva, maybe there were 100 or 200 miles on by the time I took this pic - if you look closely you can already see the pipe turning colors just in front of the cylinder head.




Quote:
Originally Posted by mvhgraphics View Post
I'm hoping the SE slip-ons won't effect my warranty, being that I'm bringing in a pre-owned HD for first service.

Any thoughts?
Not in the slightest

1. Google "Magnusun-Moss Warranty Act"

and

2. Harley sells the SE slip-ons for these models and SAYS they don't require any recalibration of the ECM when used alone (i.e. without a low restriction air cleaner).
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Old 20th May 2008
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OMG - Kev, get that hideous thing outta here!!!
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  #9  
Old 20th May 2008
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Why do they tune them lean? That means it's running hot right? and the bike is air cooled... This doesn't make sense to me. I had these issues with my Virago, I didn't expect to have this issue with EFI. I just don't want to do any damage.

Thanks!

MVH
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  #10  
Old 20th May 2008
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Quote:
Originally Posted by mvhgraphics View Post
Why do they tune them lean? That means it's running hot right? and the bike is air cooled... This doesn't make sense to me. I had these issues with my Virago, I didn't expect to have this issue with EFI. I just don't want to do any damage.

Thanks!

MVH
I think it's probably to help them meet EPA Emission standards.
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