Carburetor 3131572 3131463 for Polaris ATV Polaris Sportsman 500 600 50 Magnum Ranger 425 500
This carburetor is engineered as a direct replacement for the Polaris ATV Polaris Sportsman 500 600 50 Magnum Ranger 425 500. Manufactured to meet or exceed OEM specifications, it delivers reliable performance in demanding conditions. Each unit is tested for fuel flow, pressure rating, and durability before leaving the factory to ensure consistent quality across every order.
Vehicle Compatibility
| Application | Details |
|---|---|
| Polaris ATV | See product specifications |
| Polaris ATV UTV: 2012 | 2014 |
| Polaris Hawkeye 400 2X4 HO2004 | 2005 |
| Polaris ATP 330 4X42002 | See product specifications |
| Polaris ATV PRO 500 4X4 PPS1998 | 2002 |
| Polaris BIG BOSS 500 6X62006 | 2011 |
| Polaris Hawkeye 300 2X42006 | 2007 |
| Polaris Hawkeye 300 4X42012 | 2013 |
| Polaris Hawkeye 400 HO 2X42013 | 2014 |
| Polaris Hawkeye 400 HO 2X4 HD2002 | See product specifications |
| Polaris LUH 500 6X61995 | See product specifications |
| Polaris Magnum 2X41995 | 1998 2000-2002 |
Replaces OEM Part Numbers
3131572 • 3131561 • 3131519 • 3131446 • 3131441 • 3131425 • 3131637 • 3131600 • 3131745 • 3131741 • 3131589 • 3131454
Signs You Need a Replacement
If your equipment is showing any of these symptoms, the carburetor may be the cause:
- Engine floods easily — The float valve isn’t seating properly, allowing fuel to overflow into the bore. The engine loads up with fuel and won’t start until it clears.
- Lean surging at cruise speed — A blocked main jet or partially clogged passage causes the engine to run lean under steady throttle. It surges as the mixture alternates between lean and rich.
- Black smoke and rich smell — Too much fuel relative to air. Check the choke mechanism, float level, and jet sizes if the carburetor has been modified.
- Fuel dripping from the carburetor — A worn needle and seat or stuck float allows fuel to overflow. This is a fire hazard and should be fixed immediately.
- Hard starting when cold — The choke circuit may be blocked or the enrichment valve stuck. Cold-start problems on a carbureted engine almost always trace back to the choke.
- Inconsistent idle speed — The idle mixture screws may need adjustment, or there’s a vacuum leak at the carburetor base gasket.
Rebuild Tips
Before installing the new carburetor, clean the manifold surface and check the gasket for any damage or vacuum leaks. Set the idle mixture screws to the baseline position (typically 1.5 turns out from fully seated) before starting. After starting, warm the engine to operating temperature, then fine-tune the mixture screws for the highest smooth idle. Adjust the idle speed screw last. If the engine backfires through the carburetor, check the valve adjustment and ignition timing.
Frequently Asked Questions
Will this fit my Polaris 500?
Yes. This part is designed to fit the Polaris 500, 600, 50, 425 among other models listed in the compatibility table above. Verify your specific model and engine code before ordering to ensure the correct fit.
Can I cross-reference 3131572 with 3131561?
Yes. Both 3131572 and 3131561 are interchangeable OEM numbers for this part. They refer to the same component with the same specifications, just different part number revisions.
My vehicle is a 2012 model – is it covered?
The compatibility range for this part includes 2012-2014. The 2012 model year falls within this range, but verify the engine code and body type match. Mid-year production changes sometimes mean two vehicles from the same model year use different parts.
Should I rebuild or replace the carburetor?
If the throttle shaft has lateral play or the carburetor body is warped, replacement is the better option. A rebuild kit handles gaskets, jets, and needles but can’t fix mechanical wear. For most applications, a new carburetor costs about the same as a professional rebuild when you factor in labor.
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