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SuzukiSavage.com › General Category › Rubber Side Down! › Black means what?

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Black means what? (Read 104 times)

Toroso Full Member Offline SuzukiSavage.com Rocks! Posts: 120 Kingston, TN Gender:	Black means what? 07/31/13 at 06:52:24 My bike seems to run pretty good in my opinion. But I have noticed that the brake lever on the rear wheel has black soot from the exhaust and when I had the header off to change the tensioner, I noticed the port was black with soot as well. What does this tell me about how well it is tuned?
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justin_o_guy2 Serious Thumper Offline What happened? Posts: 55279 East Texas, 1/2 dallas/la.	Re: Black means what? Reply #1 - 07/31/13 at 06:55:45 Carbs arent constant, the air/fuel mix varies as the slide opens & different circuits are utilized,, black is rich, so, somewhere, its rich,, maybe everywhere,, but I doubt it,,
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PhantomII Junior Member Offline SuzukiSavage.com Rocks! Posts: 96 Tampa, FL Gender:	Re: Black means what? Reply #2 - 07/31/13 at 06:59:36 Pull the spark plug and see what color it is, if it's also black you could be running rich, the plug is the best way to tell.
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Toroso Full Member Offline SuzukiSavage.com Rocks! Posts: 120 Kingston, TN Gender:	Re: Black means what? Reply #3 - 07/31/13 at 07:42:15 Rich is what I thought too. But it runs very well. I was running premium gas and I have noticed after going to regular it has started to poot a little at shutoff.
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Dave YaBB Moderator ModSquad Offline SuzukiSavage.com Rocks! Posts: 18313 Camp Springs, Kentucky Gender:	Re: Black means what? Reply #4 - 07/31/13 at 08:18:51 Modern fuel burns black.....even with a good mix on the carb. Back in the old days of good leaded gasoline you coulld look for a nice dark grey color on the exhaust......but no more. Even my fuel injected car that is compuiterized and runs an ideal mixture all the time has a sooty black exhaust.
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Serowbot YaBB Moderator ModSquad Offline OK.... so what's the speed of dark? Posts: 29275 Tucson Az Gender:	Re: Black means what? Reply #5 - 07/31/13 at 09:10:09 If you're not seeing clouds out the exhaust,.. just when it collects on the brakearm (whatnot)... it's fine... Use regular gas,... premium is waste in this bike... ...
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Toroso Full Member Offline SuzukiSavage.com Rocks! Posts: 120 Kingston, TN Gender:	Re: Black means what? Reply #6 - 07/31/13 at 10:38:52 Serowbot wrote on 07/31/13 at 09:10:09: If you're not seeing clouds out the exhaust,.. just when it collects on the brakearm (whatnot)... it's fine... Cool! No clouds
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