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Rhino 450 idle adjustment

This is a discussion on Rhino 450 idle adjustment within the Engine forums, part of the Technical category; Rhino 450 is idling to fast and making it hard to go into gear once it warms up, shifts fine w/ no issues when cold ...


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Old 04-18-2010, 04:31 PM
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Rhino 450 idle adjustment

Rhino 450 is idling to fast and making it hard to go into gear once it warms up, shifts fine w/ no issues when cold or pulling the choke out to slow it down. Can anyone tell me how much to adjust the idle screw w/ out messing it up, sorry i am not a carb genius or anything, or could it be something else, thanks.
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Old 04-18-2010, 04:47 PM
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Sorry also forgot to mention the rhino has a dynatek module on it also.
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Old 04-18-2010, 04:52 PM
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on the 660, you remove both seats and the plastic cowl. then on the drivers side there is a big black thumb screw coming out of the carb that is the idle adjustment. screw in for higher idle or out for slower. I would imagine the 450 is the same or at least similar enough to figure out with this info. Good luck.
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Old 04-18-2010, 07:37 PM
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If you remove the 2 screws on the air intake, then remove that piece you can get to it without removing the seats and center cowl. Much easier.
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Old 04-19-2010, 08:16 AM
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sorry, i have found the screw for the adjustment, i just wasn't sure how much to turn it or if you could mess it up by turning it out to much, i think the dynatek module could be causing the issues or maybe not.
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Old 04-19-2010, 11:22 AM
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it doesnt take much. Just crank it and while its idling adjust the screw untill it idles correctly.
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