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08-15-2012, 01:44 PM,
#1
Is my V Star 1100 running rich?
Okay, so here's the deal. This past Saturday I rode with a friend to get a bite to eat. On the way home he rode behind me and he said he was smelling a lot of gas coming from my exhaust. Any idea what this is? Am I running too rich? If so, how do I fix it.

I'm new here so thanks in advance.
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08-15-2012, 01:47 PM,
#2
RE: Is my V Star 1100 running rich?
Welcome to the forums.

It sounds like (smells like?) you might be running too rich. Do you know what your carb settings are? Check and see if there is a lot of black soot in your exhaust, that should tell us something. Also, approximately how many miles do you get with a tank of fuel. Granted, this depends on how you ride but will give us some info.
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08-15-2012, 01:59 PM,
#3
RE: Is my V Star 1100 running rich?
Also, let me add this. Do you have any modifications done? Intake/exhaust or are you completely stock?

thanks,

Matt
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08-15-2012, 02:06 PM,
#4
RE: Is my V Star 1100 running rich?
Thanks for the quick responses. I'm not by the bike, but will check the exhaust when I get home later (at work right now). I get around 110-120 miles per tank. The bike does have a K&N, and an exhaust system on it.
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08-15-2012, 02:08 PM,
#5
RE: Is my V Star 1100 running rich?
Okay, that helps some. Do you know if your carb settings? Stock or re-jetted?

thanks,

Matt
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08-15-2012, 06:37 PM,
#6
RE: Is my V Star 1100 running rich?
Seems to me that it is running rich on how you describe it since I think the miles per tank should be a bit higher, but then again I don't know your "style" of driving...if you know what I mean.
Life is short...enjoy the ride.
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08-16-2012, 03:32 AM,
#7
Is my V Star 1100 running rich?
I also agree you sound like you're running rich. I usually go 150 before I need to fill up. If I push it I could run 175 maybe 185 on a tank before I run out.
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08-16-2012, 12:44 PM,
#8
RE: Is my V Star 1100 running rich?
Okay, I checked the exhaust and there is a lot of black soot in the exhaust.
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08-16-2012, 02:05 PM,
#9
RE: Is my V Star 1100 running rich?
And what about the carbs? Are they stock or have you had them re-jetted?
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08-16-2012, 02:28 PM,
#10
RE: Is my V Star 1100 running rich?
Sorry, forgot about the jets question. To be honest, I'm not sure the size of jets I have. :( I bought the bike and the previous owner didn't reject when he had the exhaust installed. I had lots of popping and all of that and it was recommended by a friend who is into bikes that I should have it rejetted using Kuryakyn jets. They said these jets were better than stock. I can't remember what size. Now, they were upfront with me and said that my fuel effiency would go down because they were larger than stock, but I should have better performance overall. I remember getting close to 180+ miles per tank before the rejet. I hadn't paid that much attention until my friend mentioned the exhaust smelling like fuel.

As far as the type of driving, well, I do get it on the throttle a bit from time to time, and do some intertate driving, 65-80mph depending on the flow of traffic, and then there is a decent amount of riding in traffic and stop and go when I ride the bike to work.
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08-20-2012, 09:58 PM,
#11
RE: Is my V Star 1100 running rich?
You definitely seem to be running rich to me based on this information. I don't ride a 1100 but still. The smell. One of my good buddies has an 1100 and we ride a lot together and I know he gets better MPG than you do. Just my opinion, hope it helps.
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08-22-2012, 09:56 AM,
#12
RE: Is my V Star 1100 running rich?
Well, it seems based on the information we have that you are definitely running rich. It probably isn't hurting anything except your wallet. To be sure you can you look at the spark plugs and see what they look like. If they are overly black then you are running too rich I imagine. You could end up potentially fouling the plugs.

My guess is you are a size too big on your jets. Mikuni jets are recommended because of cost and accessibility, do you know what brand of jets you have on your bike?

Anyway, let us know on those plugs and what else you decide.
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08-25-2012, 05:30 PM,
#13
RE: Is my V Star 1100 running rich?
Okay, thanks for all the feedback. I had a friend come over and he looked at some settings and he definitely set the jets are not stock, which I knew from earlier. He wasn't exactly sure which size either. I am actually going to be having some work done on my bike in a month or so. Some basic maintenance and I'm thinking of having an oil relocation kit put on it. At that time I'll have them look at the jets. Perhaps there is a way to adjust it without re-jetting the carbs, but I'm not sure on that. Thanks again, I'll let you know what happens.
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08-26-2012, 11:33 PM,
#14
RE: Is my V Star 1100 running rich?
Definiately makes sense to me. Sounds like you're running rich.
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08-30-2012, 12:30 PM,
#15
RE: Is my V Star 1100 running rich?
Something that you can look into if others are experiencing this is to learn how to adjust the PMS. You can check the V Star Fuel System Forum to learn how to adjust the PMS. This can help with rich/lean settings.
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