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tx blue
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« on: September 02, 2016, 07:10:48 PM » |
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I have recently purchased a IS that came with a cobra exhaust and found that it was to loud for me. I have recently changed back to the original exhaust but have no information on if the previous owner ever rejected the bike with the cobra exhaust. I had my girlfriend tell me tonight when I rode by the she thought it smelled like exhaust well if he did not change the jets for the Cobras and with it now having the stock system on it I assume it would be running rich really don't feel like getting involved in checking the carbs so if this is the case will it bother the bike running a little rich. I am running a half a can of B-12 in the gas not sure if this is causing the extra exhaust smell.
Phil
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98valk
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« Reply #1 on: September 02, 2016, 07:18:24 PM » |
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the re-jet kit did not change the main jets. it was mainly adjustable needles and they are most likely adjusted to be too rich. pull the needles and if adjustable put the clip and washers second slot from the top. will lean it out for OEM pipes.
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1998 Std/Tourer, 2007 DR200SE, 1981 CB900C 10speed
1973 Duster 340 4-speed rare A/C, 2001 F250 4x4 7.3L, 6sp
"Our Constitution was made only for a Moral and Religious people. It is wholly inadequate to the goverment of any other."
John Adams 10/11/1798
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franco6
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« Reply #2 on: September 02, 2016, 10:27:32 PM » |
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I have the same problem with the I/S newly acquired ,haven t changed the exhaust yet but am thinking of the jardines before stock ,I have seen stage one kits advertised suitable for all pipes.Has anyone used them?
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Enjoy the ride!
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Roidfingers
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« Reply #3 on: September 03, 2016, 05:50:11 AM » |
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I'd first try turning your fuel/air mixture screw in a half turn. No need to pull carbs to do it and costs nothing. Then check your plugs to confirm if still rich.
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Alberta Patriot
Member
Posts: 1438
Say What You mean Mean What You Say
Rockyview County, Alberta 2001 Interstate
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« Reply #4 on: September 03, 2016, 07:49:25 AM » |
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I'd first try turning your fuel/air mixture screw in a half turn. No need to pull carbs to do it and costs nothing. Then check your plugs to confirm if still rich.
I have the stock exhaust, and generally I don't need to use the choke to "cold" start my bike ...would that mean that my Fuel/Air is maybe a little too rich? |
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Say what you mean, Mean what you say.
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Roidfingers
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« Reply #5 on: September 03, 2016, 08:46:02 AM » |
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Your plugs will tell you all u need to know. do a search on here. Many right ups and discriptions. If black and sooty and wet, then rich. Light brown and dry is best. Just search
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franco6
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« Reply #6 on: September 03, 2016, 10:09:44 PM » |
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The plugs looked ok .Took the K&N off and put in oem filter, a little less back fire on desceleration, .I was told the slow jets were changed on cobra pipes installation , are they larger? Need to check the synch on carbs also.
Rode this bike from Michigan to Houston with not one problem in two days the cobras took a bit getting used to (don t like noise) lol. should have put #8 plugs it has 7s for cold climate and no hard riding!
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Enjoy the ride!
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signart
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« Reply #7 on: September 04, 2016, 08:30:25 AM » |
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I'd first try turning your fuel/air mixture screw in a half turn. No need to pull carbs to do it and costs nothing. Then check your plugs to confirm if still rich.
I have the stock exhaust, and generally I don't need to use the choke to "cold" start my bike ...would that mean that my Fuel/Air is maybe a little too rich? Possibility someone installed 38 slow jets, if so, you generally use less or no "choke". Results in less warm up time, and quicker time getting the kickstand up. All good imo. |
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franco6
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« Reply #8 on: September 05, 2016, 06:49:59 PM » |
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That would explain lots as this is a northern ,thanks .I rarely use the choke anyhow even on the tourer,only in extreme cold.  |
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Enjoy the ride!
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