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10-09-2006, 01:12 PM
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#1 (permalink)
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Registered User
Join Date: Oct 2006
Location: PRINCETON,MN
Posts: 9
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idle problem?
working on a 1990 cougar cant get it to idle long just wants to bog out just wondering if getting to much air no boots from carb to airbox.any help would be great thanks.  |
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10-09-2006, 01:42 PM
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#2 (permalink)
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sundaypuncher 503
Join Date: Jun 2006
Location: maine
Posts: 290
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sounds like the jetting is too rich?
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THE BEST THINGS IN LIFE GO BRAAAAAP!!!!!!   
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10-09-2006, 01:45 PM
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#3 (permalink)
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Registered User
Join Date: Oct 2006
Location: PRINCETON,MN
Posts: 9
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stock jetting
whats the stock jetting for 34mm mikuni |
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10-09-2006, 02:40 PM
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#4 (permalink)
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King of the Universe
Join Date: Jan 2005
Location: Rochester Hizzle, MI
Posts: 6,188
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Jetting does NOT affect idle!!
Sounds like you may have a dirty carb(s) that needs some attention! Add fresh fuel & plugs before going too deep into it!! That alone may help your issue! 
__________________
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2003 AC F5 (Jr's Dec 07 SOTM & 2008 SOTY)
2003 AC F7 EFI SP (April 06 SOTM)
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10-09-2006, 03:30 PM
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#5 (permalink)
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Try to catch my CAT
Join Date: Oct 2006
Location: SLIPPERY ROCK,PA
Posts: 2,293
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There are bushings on the thumb throttle control that also could be warn out!!!!
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10-09-2006, 04:32 PM
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#6 (permalink)
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I am Spartacus
Join Date: Feb 2004
Location: Milton Mills, NH
Posts: 15,403
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__________________
1992 Ski Doo Mach 1 (SC-10/2 suspended) March '07 SF.com Sled of the Month!
1993 Ski Doo Mach Z 780 triple
2001 Ski Doo Mini Z
Evergreen Valley Snowmobile Club Webmaster
If I'm not home, CHECK THE TRAILS!
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10-10-2006, 01:11 PM
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#7 (permalink)
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Registered User
Join Date: Oct 2006
Location: PRINCETON,MN
Posts: 9
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carbs cleaned
carbs are clean and set to factory settings.just wondering about bushings in thumb control is that the small round dot that pushes in when you let off the throttle because it runs great until you let off thanks again everyone for the help  ps snow on the way for here tom princeton,mn sweet keep her pinched.
Last edited by revsled06 : 10-10-2006 at 01:42 PM.
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10-10-2006, 01:21 PM
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#8 (permalink)
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Try to catch my CAT
Join Date: Oct 2006
Location: SLIPPERY ROCK,PA
Posts: 2,293
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No. The bushings i'm speaking of are actually on the hinge part of the trottle. Where its attached to the handlebars. If you take the throttle lever off they look like a nylon washer. There are two of them, one on the top and bottom.
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10-10-2006, 02:24 PM
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#9 (permalink)
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Moderator
Join Date: Feb 2005
Location: Groton NY
Posts: 10,205
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Is ther any slack in the cable?
If you have it too tight, it will cause that symptom.
There should be about 1/8 in free play at the handlebar end.
__________________
Old Cat Rider
w/ Comet 108 Pro-4 clutch
80 PANTERA 500 F/C w/ Comet 102 clutch
'90 Wildcat Project in progress.
Trail Boss; Dryden to Summerhill trail.
http://www.dcdrifters.net/
Senior Deacon; F&AM Lodge# 472
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10-10-2006, 06:51 PM
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#10 (permalink)
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Registered User
Join Date: Mar 2004
Location: Western, NY
Posts: 2,183
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Sounds like Arctic Cat's stupid little safety thing. I forget what it's called, but just about all Cats have problems with it. I disabled mine. The kill switch still works, and the bog is gone. Took me almost 2 years of riding to finally figure that was the cause. Used to be intermittant...
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2000 440 Panther
1980 Jag 3000 F/C
"If it ain't broke, take it apart and find out why!" 
Member: Canaltown Snowmobilers Inc.
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10-11-2006, 06:59 AM
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#11 (permalink)
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Moderator
Join Date: Feb 2005
Location: Groton NY
Posts: 10,205
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The throttle position sensor can be bypassed on carbed sleds and that will eliminate that problem.
__________________
Old Cat Rider
w/ Comet 108 Pro-4 clutch
80 PANTERA 500 F/C w/ Comet 102 clutch
'90 Wildcat Project in progress.
Trail Boss; Dryden to Summerhill trail.
http://www.dcdrifters.net/
Senior Deacon; F&AM Lodge# 472
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11-16-2006, 12:49 PM
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#12 (permalink)
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Registered User
Join Date: Oct 2006
Location: PRINCETON,MN
Posts: 9
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done all these things you guys told me still wont idle any more help thanx
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