Help adjusting Carb...2001 Trail Boss 325 - Page 3 - Polaris ATV Forum
ATV Repair and Maintenance Having problems? Doing a rebuild? All Repair/Maintenance Discussions here.

LinkBack Thread Tools Display Modes
post #21 of 22 (permalink) Old 04-25-2011, 02:19 PM
ATV Enthusiast
sfrasher's Avatar
Join Date: Apr 2011
Location: Arizona or Colorado (snowbird)
Posts: 97
Originally Posted by Stealthepooty View Post
Check out a service manual download at
I just went to and had to email them for a manual. They do still exist. - Motorcycle Parts, ATV Parts, UTV Parts, PWC Parts, Powersports Apparel, Motorcycle Accessories for OEM and Aftermarket.

2001 Trail Boss 325, AA model, since April 2011

"I've been sane, and I've been crazy. Crazy is more fun!"
sfrasher is offline  
Sponsored Links
post #22 of 22 (permalink) Old 04-11-2017, 10:33 AM
Junior Member
PipeCar's Avatar
Join Date: Apr 2017
Location: Cape town
Posts: 1
Red face David

Hi I am having the same problem, or so it would seem

have taken the carburetor apart at least a dozen times.

With the air filter off, the motor is sweet running and accelerates reasonably well, as soon as I put the air filter on (brand new filter, free flowing air) it wont rev, gets about halfway through the rev range and bogs down, over fueling, I suspect. Spark plug is a little black.

have checked all jets, all clear.
checked the diaphragm, no leaks, works perfect without the air filter, I can see it move up as you accelerate the motor. Spring on diaphragm seems good too.
airscrew perfect, idle is smooth
choke seems to be perfect, not loose and returns fully.

Motor starts very easily.

Please help, have no idea what to do next?
PipeCar is offline  

  Lower Navigation
Go Back   Polaris ATV Forum > Polaris ATV Technical Discussions > ATV Repair and Maintenance

Quick Reply

Register Now

In order to be able to post messages on the Polaris ATV Forum forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Please enter a password for your user account. Note that passwords are case-sensitive.


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:


Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode

Similar Threads
Thread Thread Starter Forum Replies Last Post
2001 Trail Boss neilm2534 ATV New Members 2 03-05-2012 06:45 PM
2001 Trail Boss in pieces quadracr ATV Repair and Maintenance 3 03-19-2011 09:06 AM
2001 Polaris Trail Boss 325 2X4 bricktown ATV New Members 2 03-12-2011 09:02 PM
Carb adjusting 2001 polaris xpedition 425 polarisxpedition ATV New Members 11 03-09-2011 04:16 AM
2001 trail boss stalls bigmike73 ATV Repair and Maintenance 1 07-08-2010 12:58 PM

Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

For the best viewing experience please update your browser to Google Chrome