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I ran my 82 gl 1100 through emissions today, passed on hydrocarbons but failed on carbon monoxide, the standard is 5.50 she ran a 7.50,

Do i need adjust the carbs or a set of plugs ?

It has been sittin for a while but i have ran 3 full tanks of gas through it, could have a carb not right or somethin, any advise would be appriciated.

Thanks....
 

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High CO means running rich, lean out the idle mixture and see if it passes. Get it too lean and the HC goes up so be careful.
 

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Is Surprise a "special" place in AZ??? Or is it still considered "Area A"? Two years ago in Tucson (Area "B") motorcycles were finally exempted from emissions testing.

In answer to your question... Quick fix is to
"lose" the air cleaner temporarily and run it through again.

Or take it to a dealer that will work on an "older" Wing and tell them it needs to pass emissions. Don't let them talk you into replacing/rebuilding the carbs (200 to 800 dollars).


Ken
 

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Piaggio MP3, was 02 GL1800
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My quick fix is to set the idle up to 1300 and take her on through. Passed every time for me.

I used to have an old pickup truck that liked to smoke. I poured in 2 cans of Berryman B12 carb cleaner to about 5 gallons of gas. Set the idle on it at 1800 rpm and drove her up and let 'em have it. Passed that one too.
 

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Hey i just took a look at your home page, I am from washington from the spokane area, just north from a town called colbert, lotts of twisty mountian roads.
 

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Yep..air cleaner out and bump the idle screw to 1300 or 1500
 

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Discussion Starter · #11 ·
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I found an intake leak and fixed it, raised the idle pulled the air cleaner,

It was worse than before, yesterday she ran a 7.50 today a 9.35 on the carbon monoxide. but it did run better, so i dont know,

Punt i guess.........
 

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1987 GL1200 Interstate
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I don't understand how raising the idle is supposed to help.

Last time I went through I did it with borrowed carbs. They were gunked up and the idle jets were turned out 6 turns. It still passed. I can't imagine a bike not getting through.

Rawly, maybe you should take the bike to a shop and have the carbs set to pass. You might also want to try another testing station. There's one @ 59th. & Bell and one out by the Glendale airport.

Before you test it again, I think at the very least you shouldcount the turns on the idle screws and set them to factory suggested specs, then run the bike athigh speed (80+) for a half hour to blow out any carbon that may be built up in the cylinders.
 

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Discussion Starter · #13 ·
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Hey Dennis, thanks for the sugestions, ya know the bike runs great and it blows my mind that it wont pass.
what are the factory settings for the carbs or where can i find them, I don't have a book of any kind for the bike,
Thanks,
Rawly............
 

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That blows my mind......I've taken both a plated KDX200 and CR500 (two strokes) through emissions in AZ and passed with no problems. I frankly can't see how a GW would fail if it runs as well as you say yours does. I just don't get it.



As a last resort, you may try finding a station with E85.......put about a gallon in, then top off with regular. May knock the CO down low enough to get it to pass. A gallon of E85 with 4 gallons of gas shouldn't hurt your fuel system, long as it's in decent shape. You'll want to have a fresh fuel filter ready though.... ethanol tends to loosen up deposits and scale in the fuel system.
 

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Piaggio MP3, was 02 GL1800
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Bike...and Dennis wrote:
I don't understand how raising the idle is supposed to help.
Raising the idle gets the carbs/RPMs up above the point at which only the idle jets come into play. That changes the CO a lot when you get the engine up in the lower mid RPM ranges.
 

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Put a bottle of dry gas or isopropyl rubbing alcohol in the tank and I guarantee it will pass. My brother does emission testing and it is a trick he taught me and it works every time.
 

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Thankfully we don't have to go through this crap on motorcycles in Ontario. YET!!



A bit off topic, but I had an '88 Suzuki Samurai that had issues passing the emissions test. Turned out that they were testing it to a higher standard - Catalytic converter - mine didn't have one. It never had one. I had a hell of a time but eventually got it approved.
 

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Discussion Starter · #18 ·
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I will try the alcohol thing tomorrow, I hate to mess with carbs since the bike does run good,
Thanks to all of you for the tips......
 

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I can't believe CA let AZ get a head of them on smog checks for bikes.. Not that I'm complaining..
Though we have smog crap built in on our bikes.. Does AZ have the smog gear that the CA bikes have ?????
 

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1987 GL1200 Interstate
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Foodman wrote:
I can't believe CA let AZ get a head of them on smog checks for bikes.. Not that I'm complaining..
Though we have smog crap built in on our bikes.. Does AZ have the smog gear that the CA bikes have ?????
No smog on AZ Bikes. We get the 49 state version. However, we pay more to have our bikes emission checked than we do for our cars. I think it's just a revenue thing. This state loves to tax the quiet minority.

 
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