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ATV carburetor jets for higher elevation? #8581897
Yesterday at 01:59 PM
Yesterday at 01:59 PM
Joined: Dec 2006
Very SE Nebraska
G
Gary Benson Offline OP
trapper
Gary Benson  Offline OP
trapper
G

Joined: Dec 2006
Very SE Nebraska
How's it work? I have a Polaris 325 Magnum that barely runs up about 8000 ft elevation. I've heard about having to change jets or adjust the mixture for higher elevation. What do I need to do?


Life ain't supposed to be easy.
Re: ATV carburetor jets for higher elevation? [Re: Gary Benson] #8581906
Yesterday at 02:15 PM
Yesterday at 02:15 PM
Joined: Feb 2024
Iowa
S
slue-foot Offline
trapper
slue-foot  Offline
trapper
S

Joined: Feb 2024
Iowa
You would need to go to smaller size jets. The air is less dense so you need to back off the amount of gas in the mixture.

Re: ATV carburetor jets for higher elevation? [Re: Gary Benson] #8581907
Yesterday at 02:16 PM
Yesterday at 02:16 PM
Joined: Jan 2012
Ohio
OhioBoy Offline
trapper
OhioBoy  Offline
trapper

Joined: Jan 2012
Ohio
check this out and see what you think.

https://youtu.be/aAiKp37WA7A?si=0QgrP7ZW0-8VYBfE

Re: ATV carburetor jets for higher elevation? [Re: Gary Benson] #8581952
Yesterday at 03:45 PM
Yesterday at 03:45 PM
Joined: Dec 2007
barton county kansas
Sasquatch91 Offline
trapper
Sasquatch91  Offline
trapper

Joined: Dec 2007
barton county kansas
Less air need less fuel.


"You skin that one pilgrim."



Re: ATV carburetor jets for higher elevation? [Re: Gary Benson] #8581979
Yesterday at 04:39 PM
Yesterday at 04:39 PM
Joined: Dec 2006
Very SE Nebraska
G
Gary Benson Offline OP
trapper
Gary Benson  Offline OP
trapper
G

Joined: Dec 2006
Very SE Nebraska
Im thinking I can get by with adjusting the air/fuel mix screw.


Life ain't supposed to be easy.
Re: ATV carburetor jets for higher elevation? [Re: Gary Benson] #8581990
Yesterday at 05:12 PM
Yesterday at 05:12 PM
Joined: Feb 2007
N. Dakota
1
1lessdog Offline
trapper
1lessdog  Offline
trapper
1

Joined: Feb 2007
N. Dakota
I have take a Polaris 350L 2 stroke, a 400L 2 stroke. And Polaris 425 magnum into the mountains of Colorado and over the top of the Devide many times with no problems. Are you sure it's the carburetor or are you running ethanol fuel? I always ran premium 91 percent octane. And never a problem.

Re: ATV carburetor jets for higher elevation? [Re: Gary Benson] #8582109
Yesterday at 08:50 PM
Yesterday at 08:50 PM
Joined: Dec 2007
barton county kansas
Sasquatch91 Offline
trapper
Sasquatch91  Offline
trapper

Joined: Dec 2007
barton county kansas
Have seen old harleys need re jetted 2 times from texas to raton NM, have seen others ride just fine. Some motors are picky.


"You skin that one pilgrim."



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