Author Topic: The Blue / Blued / Bluing Pipes on my V7 Merged Threadfest  (Read 19411 times)

Offline tpeever

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Re: Bluing headers on new 2013 Moto Guzzi V7 Stone... normal?
« Reply #30 on: November 07, 2012, 04:40:11 PM »
Lean fueling to pass emissions regs
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Offline rocker59

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Re: Bluing headers on new 2013 Moto Guzzi V7 Stone... normal?
« Reply #31 on: November 07, 2012, 04:53:33 PM »
It's normal on any single-wall headers.

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Offline ohiorider

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Re: Bluing headers on new 2013 Moto Guzzi V7 Stone... normal?
« Reply #32 on: November 07, 2012, 05:16:27 PM »
It's normal on any single-wall headers.


Triumph's new family of Bonnevilles does the same .... pipes are single-wall.  On the older carb'd Bonnies (2001-2008), first step, prior to delivery (if possible) was to rejet slightly richer, and pull the air induction system that allowed air to be pulled into the exhaust pipes near where they joined the cylinder head.

I'm thinking both my big blocks have double wall pipes.  First, because the Griso at 4200 miles has lovely gold exhaust pipes (1200 Sport still looking alright, at 34k), and secondly, because of the huge outside diameter of the exhaust pipes that could only be accounted for by double wall pipes .... I'm guessing here.
« Last Edit: November 07, 2012, 05:22:42 PM by ohiorider »
Main ride:  2008 Guzzi 1200 Sport (sold July 2020)
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totalmotorcycle

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Re: Bluing headers on new 2013 Moto Guzzi V7 Stone... normal?
« Reply #33 on: November 07, 2012, 05:26:20 PM »
Buy it at MPH ? give them a call I am sure they will tell you it is normal are both headers bluing equally ?

Yes sir, MPH Cycles. I'm the first owner of one in Houston. Yes, both headers are bluing, more on the right, but nearly the same. I have to go see them on the weekend anyways as I am getting the Mistral pipes fitted (as per this boards recommendation).

Speaking of which, no "rejet" is requried with the Mistrals right?

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Re: Bluing headers on new 2013 Moto Guzzi V7 Stone... normal?
« Reply #33 on: November 07, 2012, 05:26:20 PM »

Offline rboe

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Re: Bluing headers on new 2013 Moto Guzzi V7 Stone... normal?
« Reply #34 on: November 07, 2012, 05:28:51 PM »
Griso is double walled. Still, on the left hand pipe I have a wee bit of bluing at the elbo.
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Offline Pfaff!

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Re: Bluing headers on new 2013 Moto Guzzi V7 Stone... normal?
« Reply #35 on: November 08, 2012, 01:50:07 AM »
They all do, and the header pipes are double-walled.
It also seems like some are willing to PAY for factory-bluished pipes.  **C

Anders Holt

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Offline sign216

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Re: Bluing headers on new 2013 Moto Guzzi V7 Stone... normal?
« Reply #36 on: November 08, 2012, 07:58:57 AM »
Yea, bluing is normal.  Keep in mind that in the days of cafe racers blue pipes were a mark of pride.  It meant that you were a hot rider, and not a sedate plonker.

But in those days of carburetors the fueling was a little richer, and the exhaust a little cooler.  Blue was a little harder to do.

While mine is well blued, I recall seeing two V7's with light brown pipes.  But both of those bikes were owned by older fellows.
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Online Kev m

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Re: Bluing headers on new 2013 Moto Guzzi V7 Stone... normal?
« Reply #37 on: November 08, 2012, 08:10:20 AM »
What bikes DON'T blue their pipes today (I don't think it's a large number) - I would guess it would only be some models with dual-walled headers and/or some model with painted/coated headers?

I would assume the vast majority blue, but I guess I haven't been paying close enough attention.

I know that pretty much all Harleys, lots of BMWs, and both the Guzzis I've owned all did.

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Offline rboe

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Re: Bluing headers on new 2013 Moto Guzzi V7 Stone... normal?
« Reply #38 on: November 08, 2012, 08:16:25 AM »
We get it. You're not a plonker.   ::)
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Offline rboe

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Re: Bluing headers on new 2013 Moto Guzzi V7 Stone... normal?
« Reply #39 on: November 08, 2012, 09:43:59 AM »
We could use a poke graemlin so folks know when we are teasing them. :)
Phoenix, AZ
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totalmotorcycle

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Re: Bluing headers on new 2013 Moto Guzzi V7 Stone... normal?
« Reply #40 on: November 08, 2012, 10:00:39 AM »
Thanks for all the advice! :)

Yes, I do ride the V7 in the 4-6rpm ranges so I'm not slow with the bike. :)  I guess that is the cause?

Offline Wayne Orwig

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Re: Bluing headers on new 2013 Moto Guzzi V7 Stone... normal?
« Reply #41 on: November 08, 2012, 10:06:28 AM »
Everyone is quick to 'blame' lean mixture.
I have had a number of occasions where the exhaust systems on bike would glow red because the mixture was too rich. never had that happen from a lean mixture.

Scientist have discovered that people will believe anything, if you first say "Scientists have discovered...."

webninja

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Re: Bluing headers on new 2013 Moto Guzzi V7 Stone... normal?
« Reply #42 on: November 08, 2012, 12:48:23 PM »
I always thought lean would make gold/yellow and rich/normal would be blue. If the blue bothers you they Harley shop sell blue away paste.

Offline kirkemon

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Re: Bluing headers on new 2013 Moto Guzzi V7 Stone... normal?
« Reply #43 on: November 08, 2012, 12:48:53 PM »
I've had some success using this (I think, hard to tell what my pipes would look like if I hadn't ):
http://kreem.com/blueshield.html

Works best on virgin pipes.
Kirk

Offline slowmover

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v7 stone blue pipes
« Reply #44 on: May 19, 2013, 02:16:05 PM »
I know this has been covered before but I'm wondering if anyone elses pipes have turned really blue. My Stone has much bluer pipes
at 350 miles than my old classic had at 1000 and bluejob isn't getting it. I know, I know '' just live with it , mate" but I,m just axing.

Offline Loftness

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Re: v7 stone blue pipes
« Reply #45 on: May 19, 2013, 03:11:19 PM »
Yup, very blue on mine.  Is what it is.
Fletch

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Penderic

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Re: v7 stone blue pipes
« Reply #46 on: May 19, 2013, 03:25:24 PM »
Its the modern exhaust temps - very very hot and you cant do much about it .....only a double walled exhaust or a chrome cosmetic cover on insulated standoffs, would stay nice and bright chrome - like.

I used up 3 tins of Blue Job powder on my 2009 and then discovered that Dursol Shine works even better (and cheaper).

However be warned that if you keep at it, with either product, - you will abrade through the top layer to the nickel plate, in places .

I still use a bit sometimes - just to even up the sides.   

lucydad

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Re: v7 stone blue pipes
« Reply #47 on: May 19, 2013, 05:16:28 PM »
Yep, not a garage queen....blue...don t worry, be happy

Offline clubman

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Re: v7 stone blue pipes
« Reply #48 on: May 19, 2013, 05:20:48 PM »
"Blue Headers" on your bike just prove to all the poser's that you actually RIDE your bike. Yeah I know, double wall pipes would be nice, but apparently illegal outside of Nippon.
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Offline wheaties

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Re: v7 stone blue pipes
« Reply #49 on: May 19, 2013, 06:37:08 PM »
I know some of the new Triumphs have double wall headers. 
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LDB

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Re: v7 stone blue pipes
« Reply #50 on: May 19, 2013, 07:51:33 PM »
I've seen a few lately with a very bright blue hue that is actually really nice looking. I don't know what causes the difference in hue but some look so nice I hope when I get a bike it matches them.

Offline CND

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Re: v7 stone blue pipes
« Reply #51 on: May 19, 2013, 11:13:47 PM »
I didn't think I would be but I have become a fan of the blue.
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Offline cytocycle

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Re: v7 stone blue pipes
« Reply #52 on: May 19, 2013, 11:20:42 PM »
it's because the bikes are so lean from the factory for emissions, my Griso with Guzzitech fueling hasn't ever turned blue since I bought it in 2009, my V7 racer blued in 100 miles.  I have Todd's o2 Optimizer on order and PC V on order to address the crazy lean.  My Griso's air to fuel ratio was 16.8:1 and after I set it to 13.4:1 and my legs/Knees are cooler also.
2009 Moto Guzzi Griso 8v
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Online Kev m

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Re: v7 stone blue pipes
« Reply #53 on: May 20, 2013, 05:19:11 AM »
16.8? Holy crap....why so lean? That's way lean even for cat-con operation.  ???
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Offline PICKLEKOOKEN

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Re: The Blue / Blued / Bluing Pipes on my V7 Merged Threadfest
« Reply #54 on: May 21, 2013, 01:30:34 PM »
I Jet Hot coated my pipes on my Norgy, because as much as I ride in the winter my pipes started to splotch looked bad Ill look for the pic of the coated pipes.
So many curves. so little time!

Offline Muzz

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Re: The Blue / Blued / Bluing Pipes on my V7 Merged Threadfest
« Reply #55 on: May 21, 2013, 01:43:47 PM »
Chrome is good, blue is better. ;)
Muzz. Cristchurch, New Zealand
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Offline Pfaff!

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Re: Bluing headers on new 2013 Moto Guzzi V7 Stone... normal?
« Reply #56 on: May 22, 2013, 12:55:39 AM »
Thanks for all the advice! :)

Yes, I do ride the V7 in the 4-6rpm ranges so I'm not slow with the bike. :)  I guess that is the cause?

Nope.
Cause is that you USE that bike. ;)

Exhibit bikes may stay shiny and chromed. Real darlings catches the scars and scratches of life.
Anders Holt

Breva V 750 ie "Rossinante" '03. Running fine ever since. Sold.
Pushing bikes these days.

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Offline Pfaff!

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Re: Bluing headers on new 2013 Moto Guzzi V7 Stone... normal?
« Reply #57 on: May 22, 2013, 10:31:53 AM »
  ;D So does that make me a darling ? A nice young lady did call me sweet pea today . I just blushed a little .
Dusty

 


It sure does, honey.  ;D
Anders Holt

Breva V 750 ie "Rossinante" '03. Running fine ever since. Sold.
Pushing bikes these days.

"El camino amigo, el camino y nada mas"

Offline mcguyver

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Re: The Blue / Blued / Bluing Pipes on my V7 Merged Threadfest
« Reply #58 on: January 13, 2016, 10:28:46 PM »
So the little V7 has 3500klms on it now and the header pipes have turned blue which doesn't bother me. But I am also seeing bluing on the Mufflers and under the heat shields which does bother me.

I can understand the header pipes but at the mufflers. Not happy at all.
Anyone else have this happen?


« Last Edit: January 13, 2016, 10:29:25 PM by mcguyver »

Offline malik

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Re: The Blue / Blued / Bluing Pipes on my V7 Merged Threadfest
« Reply #59 on: January 14, 2016, 01:53:58 AM »
The header pipes on both the Classic & the Special blued quickly. The blueing on the Classic has now browned to something akin to rust. Polishing (by hand) reduces the blemish, but not eradicate it. Both mufflers, the Staintune on the Classic & the Mistral on the Special, brown at the front end between the seam & the header join under the footpegs (? a different type of stainless, perhaps?), but a little bit of polishing (with Staintune's polish - gifted to me by the company's owner when he caught me in the carpark behind the pub near his office) restores the finish. The clamps brown too, but the polish works on them as well. Before I had Staintune's polish I used Autosol. From memory, that worked also.

Not all that long ago (perhaps April/May) I took the stock mufflers out of storage & cleaned & polished them, before putting them away. They'd been the bike foe some 12,000 km, had road tar, dust & dirt in all the nooks & crannies, but can't remember any bluing or browning, though tjere may well have been. Anyway, now they look good, all packed away in their box, so I can no longer tell. The evidence has been disappeared.

Mal
2010 V7 Classic, 2014 V7 Special
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