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Message started by janeforbes on 06/12/06 at 12:49:00

Title: Blue pipes
Post by janeforbes on 06/12/06 at 12:49:00

I am sure this has been talked about before, I just don't know where or when.
What causes excessive blueing on the pipe? My bike is 11 years old but only has 4100 miles on it. Seems much bluer than other Savages I see.

Also has any one installed a Supertrappe muffler? Is it easy to do? Slip right on?

Appreciate any help and info.

Thanks

Title: Re: Blue pipes
Post by Keith_B on 06/12/06 at 20:36:19

I think blue means very lean or long hard runs at high RPMs

Title: Re: Blue pipes
Post by Dynobob on 06/12/06 at 21:02:01

Blue exhaust is very lean jetting.

I have a Supertrapp. Installation wasn't difficult once I removed some of the end of the header pipe. Take off just enough so that the mounting bolt lines up. I put some high temp silicone on and slipped it right on the header pipe.

Use a grinder to shorten the pipe and keep it cool with a wet towel.

http://members.cox.net/sweetiesmaltese/savage1.jpg

Title: Re: Blue pipes
Post by PerrydaSavage on 06/13/06 at 00:43:54

If a blue header is running lean, then what exactly does the golden hue signify? My header in the past few months is starting to turn gold-ish.
'03 LS650 with 5000km on the clock.

Title: Re: Blue pipes
Post by Banger on 06/13/06 at 04:02:13

I've always been told that gold is, as the childrens' story book goes, "juuuuust right."

Mine is very blue, however. Will be rejetting and getting a K&N before the riding season is over down here. During summer, ol' Zook is pretty well my only transport, so I want to keep her happy. I'll probably put another 6k or so on her this season, if things keep going the way they have been. Just started back to riding (after mild customization--sorry no pics yet) a couple months ago and have already put 2k on it, going from 12,000 to 14,000 miles. Oil change coming soon, of course.

Regards,
Banger
=======

Title: Re: Blue pipes
Post by Trippah on 06/13/06 at 16:25:55

Blue is lean/hot and gold is ok to rich. Now if they only had double walled pipes, we'd never know what was going on. :D Actually, in the day, all the Bonnie riders had blue pipes so they could brag about riding so fast and hard.

Title: Re: Blue pipes
Post by pgolden on 06/13/06 at 16:49:05

My pipe has not changed color, When I bought it I had a Jardine muffler with a 155 main, now I have a sportster muffler and 152.5 main. My spark plug is that nice light brown color that tells me all is right.

Title: Re: Blue pipes
Post by 911radioman on 06/14/06 at 10:54:10

My pipe was gold when I bought it, and its still gold right now. Hasn't changed colors one bit. I never have figured out why the MAC muffler blued just past the header pipe connection though. Guess it was my greasy fingers on it and failing to wipe it off before I fired it up is all I can figure, cause when I put the MAC on I rejetted so I never did run the bike lean with that particular muffler.

Title: Re: Blue pipes
Post by thedocdm on 06/25/06 at 17:08:28

Ok, I'm new to riding and to my Savage... I had a Screamin' Eagle pipe, K&N filter, and a DynoJet kit put on. Since then, the header is gold, but the pipe is severely blue/black in the middle. What does that mean?

Title: Re: Blue pipes
Post by bobtreat on 06/25/06 at 17:18:13

The first mod i did to mine was a suppertrapp,pulled the factory pipe off and slid the trapp right on no hassels.
Replaced it last year with a Jardine.Much better quality pipe.No blueing of header pipe with either pipe,guess i guessed the right sized main an pilot jets.

Title: Re: Blue pipes
Post by 911radioman on 06/26/06 at 17:07:14

Mine just maintains that honey/golden look. I kinda like it myself.

Title: Re: Blue pipes
Post by Dynobob on 06/26/06 at 19:52:40

thedocdm wrote:

I had a Screamin' Eagle pipe, K&N filter, and a DynoJet kit put on. Since then, the header is gold, but the pipe is severely blue/black in the middle. What does that mean?

You're lean. Raise the needle a notch (lower the clip) and maybe go up one size on the main jet. You should read your plug after a WOT shut down to see how your main jet is.

Title: Re: Blue pipes
Post by mickthelimey on 07/02/06 at 01:18:14

I think I posted this before,but to prevent pipes from bluing in the first place is to wrap some copper wire around the header as close as you can to the head,about 4 or 5 times around should do it,the gauge should be one eighth inch or less,change it every year.

Title: Re: Blue pipes
Post by Dragon King on 07/02/06 at 05:40:39

my pipe is black what does that mean ???

Title: Re: Blue pipes
Post by HotCarl on 07/02/06 at 10:12:21

does the copper wire wrap really work? How?

Title: Re: Blue pipes
Post by Steve530 on 07/04/06 at 12:21:59

I installed a Dyna muffler larger jets and a K&N drop-in. I started the engine and let it idle a bit. I actually watched the header turn blue. Not just a little, but a deep purple. Started at the head and sort for grew down the header. Almost organic.

Anyway, someone here pointed out that I needed to re-torque the header bolts after installing a new gasket. I wnet and checked it and it was indeed loose. After retorquing it 3 or 4 times, it seems to finally be set. After that, the bluing stopped. I cleaned the header pipe and it's now a golden color.

So my point is that exhaust leaks will cause the bluing. So re-check the torque of those bolts.

Steve