Kawasaki Concours Forum
The C10, aka Kawasaki Concours - The Original => The Bike - C10 => Topic started by: Refted on March 24, 2012, 02:57:14 PM
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:-[ Ordered new cap last yr, had dealer replace. gas odor is now worse than ever. No big about the smell in the garage- wife doesn't like it but no big deal. The odor while riding is bad! I know that the cap vents but has anyone experienced it this bad? Is there a solution? Any help would be appreciated.
TED
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Could try an air freshener to mask the smell, or make you forget about it..
(https://public.bay.livefilestore.com/y1pa94Lidfo2L47pE_Do1gneZeNhyRMn3RXLIEt-4nWhFEf9rqp2LaOd6pui0JMsf2c4QvxXrfTh1MLNPVW29A1XQ/weed_leaf_air_freshener_sjpg639.jpg?psid=1)
Other than that, check your vent hoses under the tank and verify their clear.
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Mine had a strong gas smell while riding and when just stopped last year. The diaphram (spelling?) in the petcock was leaking when ever the bike was running.
Look around the back of the petcock, fuel line and on top of the #1 carb right after you shut it off after your next ride to see if anything is wet with gas in the area.
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Had a CB750 that would flood the air filter with fuel. I never did figure out why. But I knew that the filter was flooded when I started smelling fuel.
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Refted didn't mention what year his bike is but my '01's gas tank
started leaking through pin holes at the rear when it was about
3 or 4 years old. I became aware when my clothes smelled of fuel.
Sealed the tank and problem gone.
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Remove the tank from the bike.
No fuel should come from the petcock unless you turn it to prime. Does the petcock leak?
How are the vent hoses. Are any pinched?
Check the hoses around the carbs. Any cracked or broken?
Is the tank wet near the back corners? That is where they rust out and leak.
Do you have over flow tubes installed on your carbs? Why not?
What is your current gas mileage?
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Thanks for all the suggestions.
Mileage is about 37-39, hasn't changed since I bought the bike used in 2007.
It's an '01; just turned 20K last week.
Checked the vent hoses and all around the tank, there does not seem to be any leaks.
I have seen on this and other forums reports of a 'whistling' sound out of the gascap
when parked in the sun or on hot days. I have that sound which is quite noticeable after any ride
regardless of the temperature. I have been told that this 'venting' is normal for a Concours. After about 5 minutes, the whistling stops, but by then the garage is filled with fumes. It also stops if I open the tank but resumes within
30 seconds of replacing the cap.
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From what you're telling us everything sounds normal. You should verify that the petcock is working as it should. Is the insulation material still on the bottom of the gas tank? Its supposed to insulate heat from the gas tank. Mark
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Mark- Did not see any insulating material on the tank. It is supposed to be attached?
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Mark- Did not see any insulating material on the tank. It is supposed to be attached?
I think only the California spec bikes had the insulation. I know mine (NY) doesn't have any.
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This is probably not the answer you are looking for, but I fixed the problem by changing the windshield. I put on a Cee Bailey vented model. The constant flow of fresh air eliminates the vacuum that drew the fumes right up into my face.
The second thing I do is run with a tank bag. My TourMaster bag has a rubber bottom that kind of seals stuff. On the rear of the gas cap, under the hinged part is a vent hole that leads to a hose on the right rear of the tank. I believe that this hose takes over if the air flow gets blocked. I have never had a running or venting problem, so I figure this must be alright.
Good Luck
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Thats interesting about non-california bikes not having the insulation on the bottom of the tank. My bike is a calif. model so I assumed they all had it. It seems as though having the insulation would help keep the engine heat from radiating up to the gas tank. My bike does hiss through the cap vent also when stopped in the sun or after a ride on a hot day. But I don't notice any excessive fumes like yours. I do have all the calif. smog cannister stuff still hooked up and I think that helps keep the fumes down. For that reason I haven't taken it off. Its not supposed to provide any performance gains so I left it. Mark
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I don't know what to say. I have never had that issue on any bike including the Conc. Although I have had a problem where when left out in the summer sun (when it is hottest) mine has done something of a vapor lock. I found that if I am having those problems I just quickly open the gas cap and close it, then all is fine.
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Just because the tank insulation only came on the Cali bikes doesn't mean you can't find and put some on one of the others. May or may not help. I notice Vrooomm 'gasses' more after a hotter ride than a shorter one, and she's got the insulation.
Check fuel bowl levels, watch your engine oil level, and read your plugs. Don't overfill the gas tank. Just to the bottom of the filler neck and no more - especially on Cali bikes. The MPG sounds reasonable - depending on how you ride.
If those things check out, may be normal if your garage is kinda well sealed.
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d e a d
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Could try an air freshener to mask the smell, or make you forget about it..
(https://public.bay.livefilestore.com/y1pa94Lidfo2L47pE_Do1gneZeNhyRMn3RXLIEt-4nWhFEf9rqp2LaOd6pui0JMsf2c4QvxXrfTh1MLNPVW29A1XQ/weed_leaf_air_freshener_sjpg639.jpg?psid=1)
Other than that, check your vent hoses under the tank and verify their clear.
Nice air freshener. :thumbs:
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Mine's got a bit of an odor also when she's running. Never noticed this on any other bike.
I rebuilt the petcock back in 08 but maybe it's leaking again. Looking at the petcock it had the fine, greasy coat of dirt on the back that is a tell-tale sign of a gas leak.
Come to think of it, there was a fine coat of greasy dirt on my oil filler cap too. hmmm.....
So it's a Pingel for me I guess. Ordered one from Powersport Superstore on Amazon last month but they never shipped it. Very substandard company to do business with BTW--do not recommend.
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So it's a Pingel for me I guess. Ordered one from Powersport Superstore on Amazon last month but they never shipped it. Very substandard company to do business with BTW--do not recommend.
Order a new one from here:
http://www.murphskits.com/catalog/product_info.php?cPath=1_94&products_id=140 (http://www.murphskits.com/catalog/product_info.php?cPath=1_94&products_id=140)
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Order a new one from here:
http://www.murphskits.com/catalog/product_info.php?cPath=1_94&products_id=140 (http://www.murphskits.com/catalog/product_info.php?cPath=1_94&products_id=140)
If only Murphs carried something besides Kawasaki OEM. 4 years from rebuild kit to leaks is unacceptable. I'm also not a big fan of vacuum petcocks on my bike--no overflow tubes in my carbs.
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You were able to get 4 years from a rebuild? I got 4 minutes when I did my rebuild. That is why I buy new. The link I gave you is for new and not for a rebuild.
Please rethink automatic versus manual petcock. When you have no overflow tubes your chances of hydro locking go way up when when you have a manual.
We have had many discussions as to why that is.
Just get over flow tubes ASAP before something bad happens.
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You were able to get 4 years from a rebuild? I got 4 minutes when I did my rebuild. That is why I buy new. The link I gave you is for new and not for a rebuild.
Please rethink automatic versus manual petcock. When you have no overflow tubes your chances of hydro locking go way up when when you have a manual.
We have had many discussions as to why that is.
Just get over flow tubes ASAP before something bad happens.
Nope, no more vacuum petcocks for me. Carbs aren't coming off ever again either.
If it hydrolocks, I'll part her out. I would much rather put 50lbs of tannerite in the tank, take it out to the desert and film the results but I'm not a litterbug.
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Daytona Mike, you were absolutely right.
Why pay the extra dough for a Pingel when I'm hopefully only going to have this bike one more year, if that?
Ordered parts from murphs today.
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My 1995 has less than 60,000 on it. Carbs have never been off, the emission plugs are still in the housings and the original petcock is still on the bike. No fuel filter has been added to the line, depending completely on the strainer screens in the tank. It starts and idles, even after winter storage. The bike has gotten a couple ounces of Marvel Mystery oil almost every fill up since it had 1500 miles on it. My 1997 had carb, petcock, and tank rust problems when I got it that I never got sorted out completely, the 1st owner never used marvel, but he loved screwing with the cabs and though he could solve everything with fuel system cleaner. The original owner never used Marvel oil. One of the 2004's needed the carbs pulled and cleaned at the 600 miles, after setting several months in the showroom with some gas in it. The fuel line also got flakes from inside. I think the alcohol in the gas is murder in the whole fuel system, and the Marvel oil counter acts the corrosion, rust and rubber rot.
I know I just jinked myself, my 1995 bike will probably hydrolock and burst into flames tomorrow.
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... When you have no overflow tubes your chances of hydro locking go way up when when you have a manual.
Only if your forgetful....
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Only if your forgetful....
Forget what??
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Forget what??
Your helmet? :)
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what is a what? I forget.
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what is a what? I forget.
A little OT but I need to vent....
An Engineer on my team has been in jeopardy of loosing his job (+100K PY) since he started with us well over a year ago because he is forgetful....
Along with lazy, sloppy and he has a frigging excuse for everything.....
Yet I'm the BG cause I keep extending his probation and giving him another chance to turn it around.
Being in charge of the operation, upkeep & repair of a +60 million dollar Tug & Barge (plus 10 souls) I have ZERO tolerance for forgetfulness or sloppy work!
Y'all understand right?
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Tough call.And it's your call!
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A little OT but I need to vent....
An Engineer on my team has been in jeopardy of loosing his job (+100K PY) since he started with us well over a year ago because he is forgetful....
Along with lazy, sloppy and he has a frigging excuse for everything.....
Yet I'm the BG cause I keep extending his probation and giving him another chance to turn it around.
Being in charge of the operation, upkeep & repair of a +60 million dollar Tug & Barge (plus 10 souls) I have ZERO tolerance for forgetfulness or sloppy work!
Y'all understand right?
You have a responsibility to the responsible. Sounds like he needs another job.