Polaris Trail Boss 325 Specs and Review 2022

Polaris Trail Boss 325: The Polaris Trail Boss 325 launched alongside the Magnum 325 and stayed in the ATV spotlight for 14 years, before paving an opening for Sportsman and the other ATV lineups. 

The vehicle was an absolute force on roads and farms, as well as it was the drag race scene!

Polaris Trail Boss 325

The Polaris Trail Boss 325 was an entry-level car that juggled the demands of play and utility. 

It came with a range of color options a massive 9-inch rear wheel and a fast turning radius. In contrast to its 330-class counterparts, it had the benefit of a 14-year production span between 2000 and 2013.

The 324-cm 3 Trail Boss then became known as”the Polaris Trail Blazer when its engine was upgraded to a 330 class engine in 2003. 

However, this did not stop its popularity among the public. In fact, it increased its popularity. 

Do you want to learn more about this unappreciated machine? Keep reading and keep on.

Polaris Trail Boss 325

Best of Both Worlds

The Polaris Trail Boss 325 is an incredibly progressive and conservative machine. This is because it has the bare minimum of features, like rear racks, high- and low-beam footwells that are standard, and a single driveline with two wheels mode.

However, at all times, it went through several improvements to its power supply, wheels travel, and its exterior finish throughout production. 

In addition, the four-wheel hydraulic disc brake system and the ability to haul make the Trail Boss stand out from other brands.

In accordance with the trim and year, there are slight variations in certain Polaris Trail Boss 325 parts. For example, the size of the carburetor varied between 30 and 34 millimeters. 

The displacement increased from 324 to 329 centimeters 3 along with it being the Polaris Magnum 325. 

The lubrication system was changed from dry-sump to wet-sump in later models. While the rear wheel’s movement is quite impressive in itself, it has was increased by 9.0 up to 10.5 to the new Polaris Trail Boss(r).

Contrary to the majority of its identical-sized and larger displacement counterparts it was unique in that the Polaris Trail Boss 325 did not come with any special edition trims that were made. 

However, despite the limited choices, enthusiasts and riders were still drawn to the four-wheeler because of its attributes and its reasonable price of $3,499 which excludes any package features one could purchase through the retailer.

Thus this is why this Polaris Trail Boss 325 appealed to ranchers looking for an extra yard worker (for less than the expense of a tractor) as well as off-roaders who wanted the outdoors.

2000 Polaris Trail Boss 325 Specs Engine

Its Polaris 325 Trail Boss is made possible through a four-stroke, cooling by air (with an oil cooler that is fan-assisted) single-cylinder unit. 

It has a bore-stroke proportion of 78 mm x millimeters (3.07 3.07 inches x 2.68 inches) and a displacement of 324 cubic centimeters (3.77 in3) (19.77 in3) and it has a 9.2:1 compression ratio, which is achieved by a 31-millimeter Mikuni BST carburetor.

The valve has a clearance of 0.006 inches @ BTDC compression both for intake and exhaust. 

The fuel tank capacity can be 3.7 US gallons (14 Liters) with a minimum 85 (oxygenated) and an 89 (non-oxygenated) Rating for PON.

The maximum power production of this quad as measured by Dyno test results is 19 horsepower (18.7 bhp) The speeds vary. 

The 2001 Polaris Trail Boss 325 gives only 45mph (72.4 kph) and a ’05 model has been reported to be able to go up to 53mph (85.3 KPH) in good condition. In terms of power and speed the perfect, pleasant-sounding exhaust system is essential.


A torque and RPM-sensing Polaris Variable Transmission with a one-way clutch and an E-Z shifts control it. 

A fundamental Concentric Drive System is handled by the 520 O-ring chains, which transfers force from the motor to the wheels.  

This sophisticated design of the drive system ensures better power transfer to the ground and constant tension of the chain at all times because of being aligned with the pivot point of the swing arm in the middle of the drive shaft.


The vehicle is equipped with a DC CDI (Capacitor Discharge Ignition) electric start system that includes an auxiliary electric recoil starter. 

The timing for ignition is 30deg + 2deg BTDC @ 5,000 RPM . It utilizes an output alternator that is triple-phase (rated at 200 watts of power).

 As with its predecessor, the Magnum 325, a 12V 14 Ah 210-CCA battery that measures 5.28 x 3.54 and 6.54 inches (134 x 90 x 166mm – Length x Width x Height) dimensions power the quad. 

The current 14AH-BS (view at Amazon) models should be compatible with the majority of Polaris Trail Boss 325 models.


The engine oil capability can be 1.9 US quarts/1.8 Liters of Polaris SAE 0W-40 Synthetic Engine Lubricant (without molybdenum additives) or the equivalent. It is recommended to never mix or replace brands of oil. 

However, if you can’t avoid it, be sure to select oil alternatives that conform to specifications from the manufacturer as well as the MA JASO the T903 standard. For transmissions, you should make use of 11.3 grams of Polaris Synthetic Premium Gear Case Oil. For brakes, you can use high-quality brake fluid DOT 3.


The front wheels of the Boss 325 use Carlisle(TM) 23 7-10 tire (view at Amazon), as well as the rear wheels, are fitted with Carlisle(TM) 22 11-10 tires. The recommended tire pressure differs between the both rear and front knobbies.

4. psi/27.58 kPa (0.28 kg-f/cm2)) in the front, and 3 psi/20.68 kPa for the rear. (0.21 kg-f/cm2) for the rear.). It is recommended to replace tires that have a tread depth of 1/8 inch (3 millimeters) and less.


A disc brake comprises a single lever disc brake that is all-wheel hydraulic as well as an auxiliary hydraulic foot brake. 

To ensure the power of stopping check brake deflection and pad wear regularly. Also, check your brake fluid level as well as the travel of your lever each time you take off. 

Check the Polaris 325 Trail Boss parts such as the brake auxiliary lever and brake lights are also functioning.


In a Gen II-style chassis is a MacPherson Strut Front suspension as well as an adjustable-rate swingarm rear suspension featuring 2 inches of gas-charged twin-tube shocks as well as 9.0 inches (227 millimeters) of movement.

The long-travel suspension, coupled with an overall base that measures 49.75 inches (1,264 millimeters) is a major factor in its 5.0 feet (152 centimeters) turning radius, which makes perfect cornering angles as well as sharp turns.


The overall dimensions of the car are 71.5 by 46.5 and 46 inches (1,816 1 181 1168 mm L x W and H) with a distance of 5.5 inches (139.7 millimeters). The height of the seat of 34 inches. 

Dry weight is 504lbs (228.8 Kilograms); GVWR is approximately 1,000 pounds, which is a mixture of curb weight, the maximum rack weight of 200lbs (90.7 Kg) cargo, accessories, and operators. 

The Trail Boss is equipped with a similar tongue and towing capacities similar to its Magnum sister – 850 lbs and 30 lbs.


Boss 325 has a steel frame and body made of plastic in red/white, red/black green, blue/black, and yellow/black, with silver or black trims. 

The four-wheeler comes with complete floorboards, a rear-cargo rack, a tow hitch, an adjustable brake light an instrument kit with handgrips as well as rear and front fenders, body-matching suspensions, and rims that are Fire Red and Bright White.

Protect your ATV with Protect your ATV by putting it on with an ATV cover that is weatherproof that comes with reinforced straps for securing your ATV and a free storage bag (view at Amazon) to ensure that your plastics are in good condition. This quad cover with dual-purpose will fit the 2002 Polaris Trail Boss 325.

What is a Polaris Trail Boss 325 Worth?

The price of this four-wheeler grew six times (only gradually) throughout its 14-year-long production run. 

The sources to the MSRP of the model in ’00 aren’t very clear however pricing for the different Polaris 325 Trail Boss versions is readily available on a variety of blogs and online sources. Prices for trade-in and resales are quite similar to the initial list price.

Furthermore, many second-hand units in excellent condition are available on trading sites for $1500 on average. 

To help you I’ve put together a complete rundown of prices on the market including average retail and trade-in prices below:

Model Year & Trim List Price Retail/Trade-in
2000 Polaris Trail Boss 325 N/A $350 – $1,605
2001 Polaris Trail Boss 325 $3,499 $605 – $1,590
2002 Polaris Trail Boss 325 $3,699 $670 – $1,700
2003 Polaris Trail Boss 330 $3,699 $700 – $1,815
2004 Polaris Trail Boss 330 $3,699 $740 – $1,895
2005 Polaris Trail Boss 330 $3,799 $845 – $2,005
2006 Polaris Trail Boss 330 $3,899 $990 – $2,140
2007 Polaris Trail Boss 330 $3,899 $1,115 – $2,205
2008 Polaris Trail Boss 330 $3,999 $1,275 – $1,950
2009 Polaris Trail Boss 330 $4,099 $1,355 – $2,095
2010 Polaris Trail Boss 330 $4,299 $1,420 – $2,230
2011 Polaris Trail Boss 330 $4,299 $1,490 – $2,290
2012 Polaris Trail Boss 330 $4,399 $1,555 – $2,550
2013 Polaris Trail Boss 330 $4,399 $1,635 – $2,690

Models of random years are available in auctions or offered through private sellers. You may also come across resale units that are scarce in certain areas, particularly outside of the U.S.

Pre-loved Trail Bosses generally are in a great operational state, with little or any exterior damage and with minimal mileage and hours. 

While the majority of quads available for resales have been on the farm, some were used by previous owners to be off-road partners.

If you’re contemplating a similar purchase, make sure to exercise the necessary diligence when you inquire about the car’s history and use. 

If you can try taking the 4×4 for a test drive in order to observe the vehicle’s performance or clues to potential problems before making the purchase.

Polaris Trail Boss 325 Problems

Polaris Trail Boss 325 Problems

The drawbacks of a vehicle are an important factor to take into consideration when buying a secondhand vehicle. 

It is not intended to steer you away from making a purchase, but to prepare you for the potential issues you might encounter when you drive the car in the near future. Here are some common issues owners have faced concerning this model: Polaris 325 Trail Boss:

  • The foot brake does not light up the brake indicators.
  • The exhaust pipe that comes with the stock is loud enough even with a Muffler.
  • The carriage bolt which provides the upper muffler with support is difficult to replace when you are replacing the exhaust that came with it.
  • The pipe that exhausts wears out or grooves in the back of the muffler’s opening with the course of time (especially during mudding as well as river crossings).
  • The instrumentation isn’t the most advanced. A few owners spend around $115 (including installation) to purchase a good set of speedometers hour meter, hour meter, and odometer among other items.
  • The HOT light will come to life when the machine becomes wet.

Determining the Model Year

Your vehicle’s VIN or Vehicle Identification Number tells you the year of production of the quad. The VIN is embedded into the frame’s left-hand lower frame rail, near the A-arm mount on the rear. 

If you locate the 17-digit alphanumeric code seek out the 10th digit. the letter or number that is in the position indicates the year of manufacture. You can use the following table as a reference:

VIN-to-Year Chart
A 1980 L 1990 Y 2000 A 2010
B 1981 M 1991 1 2001 B 2011
C 1982 N 1992 2 2002 C 2012
D 1983 P 1993 3 2003 D 2013
E 1984 R 1994 4 2004 E 2014
F 1985 S 1995 5 2005 F 2015
G 1986 T 1996 6 2006 G 2016
H 1987 V 1997 7 2007 H 2017
J 1988 W 1998 8 2008 J 2018
K 1989 X 1999 9 2009 K 2019

How to Make Your Trail Boss 325 Faster

The first thing you’ll need to look over all the outputs and inputs of your vehicle. Start by looking at the air intake. 

After that, ensure your air cleaner is moving and is not blocked. Cleaning your carburetor using a carb cleaner can go well. Be sure to clean your muffler when you’re done as well as its plugs on the lower part of the.

It is a great idea to replace the air cleaner in your vehicle with a high-performance type. 

Some experienced owners use an additive to fuel such as Polaris Carbon Plus or Star Tron Enzyme Fuel Treatment into their fuel, however, it’s not recommended for all.

Making sure your clutches are in top condition and that the belt on your PVT isn’t damaged are other ways to make the Trail Boss faster. 

Because these checks are an essential part of maintenance, they’re relatively simple to carry out and thorough.

Adjusting the tension of the chain inspection of sheave faces and sealing parts and a check to see if the belt is slipping are just some of the actions involved. 

Make sure you don’t skip these as completing these steps will ensure a smooth and pleasant journey.

A big bore kit can make a huge difference to the speed of your quad’s top end as it is in actual the preferred method that the majority of racing outfits follow. 

But, it requires an underlying mechanical proficiency to make sure that the changes do not fail. It can also be quite costly and could be a disadvantage for those on a tight budget.

Removal of the front and rear racks will lighten your car (if you haven’t already done it) and will make it faster. 

It is also possible to purchase various springs for your primary clutch, which can alter how your wheeler is engaged, which results in quicker delivery of power that is used towards the floor.


There are many tweaks you can make to your 4×4 to boost its performance to the top of the line. If you find some of the advanced upgrades to performance too overwhelming, start by making these changes to your quad:

  • Carburetor for Caltric
  • Race-Driven Steel Sprocket 11T/12T
  • NOCO Genius G7200 Battery Maintainer and Charger (view at Amazon) This extends the service duration and helps prevent battery depletion which could affect the speed of your vehicle.
  • Fram XG6607 Ultra Synthetic, Spin-on Oil Filter that comes with SureGrip
  • Nilight Automotive Harness Interlocking Relay Socket and Wiring Harness
  • Trail Tech 752-119 Black Vapor Digital Speedometer Tachometer Kit (view on Amazon) to be used for race training, obviously!

About Polaris

At the beginning of 2000, Polaris Inc. has been among the very first ATV makers to launch middle-sized and public-sized utility-rec vehicles.

The Polaris Trail Boss 325 was one of the models. Apart from that, it was also the American company was also renowned for its motorcycles and snowmobiles.

Since the company’s inception in the year 1954, Polaris has evolved into an industry leader and has strengthened its heritage through its top-quality manufacturing processes and innovative innovations towards innovation in the ATV scene, like auto transmission, independent rear suspension, Polaris Variable Transmission, and Electronic Fuel Injection.

Conclusion – Polaris Trail Boss 325 Review

A purpose-built, medium-weight vehicle that is well-priced the Polaris Trail Boss attracted riders with all levels of skill. 

For beginners, it was easy to operate, while experienced riders appreciated its suspension that stretches for a long time and its reliability. 

Farmers loved its ability to haul and its hard-working character. This Polaris Trail Boss 325 is certain to have something for all kinds of drivers. This beast is in fact, the king of the trails!

Is the Polaris Trail Boss 325 good?

Best of Both Worlds

The Polaris Trail Boss 325 is an extremely conservative and forward-thinking machine. I’m saying this due to the fact that it comes with the bare minimum of features, like rear racks highand low-beam headlights traditional footwells, as well as only a two-wheel driveline mode.

Are Polaris Trail Boss any good?

The automatic transmission, the full floorboardsand a good suspension makes it the Trail Boss one of the top-performing machines in the time it was in production. The two-stroke version is more efficient when compared with its 250-cc rivals. Testers were pleased with the Macpherson Strut suspension front as well as 6.3-inch wheelspan.

How can I make my Polaris 325 faster?

Therefore, check the enormous air intake to ensure the cleaner is flowing. Clean your carb, at a minimum, with carb cleaner and remove your exhaust muffler. There are a couple of plugs at the bottom that is designed to be removed, and then you can pump the throttle a couple of times very quickly and speedily to WOT, but only for a few seconds to blast out any dirt.

What years was the Polaris Trail Boss 330 made?

The model 2003 Polaris Trail Boss 330 ATV is among the best quality mid-size ATVs for trail/utility. It sports a style that resembles Sportsman with 2-wheel drive, as well as the long-travel suspension on its rear. Trail Boss is consistently the most popular ATV with automatic 2-wheel drive.

How do you tell what year your Polaris Trail Boss is?

There is a number to be found on the tube beneath the seat that begins with a “W”. The two digits following the ‘W’ are a year.

What is a Polaris Trail Boss?

The RANGER XP 1000 Trail Boss has everything included in the XP 1000 plus upgrades with 29″ tires, Arched A-arms with high clearance and self-levelling suspension to provide greater floor clearance. A brand new set of 29″ Pro Armor tires and 14″ wheels. The High-Clearance Arched A-Arms. LED Headlights.

Does Polaris still make a trail boss?

2022 Polaris Ranger Ranger XP1000 trail Boss $29,799

PREMIUM REFINEMENT. Its RANGER XP 1000 Trail Boss has everything included in the XP 1000 plus capability upgrades comprising 29″ tires with arched A-arms with high clearance and self-levelling suspension that gives more ground clearance.

How fast does a Polaris 325 go?

There’s no designated top speed for the quad. Based on discussions in Polaris forums which are available, there is a possibility that Polaris Magnum 325 can hit between 39 and 55 miles per hour.

These numbers are believed to be from bone stock models. If you’re looking for something more adding performance modifications, it could bring you an extra 3-4 miles per hour.

Polaris Trail Boss 325 FAQ

1. Is the Polaris Trail Boss 325 good?

The Polaris Trail Boss 325 is an extremely conservative as well as modern machine. This is due to the fact that it comes with minimal features like rear racks, high and low beam headlights, regular footwells, and only a two-wheel driveline mode.

2. Is the Polaris Trail Boss 325 automatic?

The red and white Trail Boss 325 is equipped with a 4-stroke engine, 2-WD as well as the ability to have an automated transmission. Its E-Z Shift lever that has forward neutral, reverse, and forward make driving the ATV easy.

3. Is Polaris a good brand?

The Polaris ATV models are excellent for performance however, certain owners complain of poor reliability. … There are owners who say that the Polaris models are quite reliable. They tell us things like “our Polaris machines have been excellent and required nothing more than fuel, fluids, and then the belt.

4. Where are Honda ATVs made?

Produced by Honda in Timmonsville, South Carolina Honda’s ATV line is among the most well-known in the market offering models designed for work-intensive and even serious play. They are so user-friendly, that the riders will not want to get off.

5. Is Can-Am or Polaris side-by-side better?

Answer: In general, Can-Am is better when it is running at greater speeds. It’s faster than the other two, which makes it more fun to drive to enjoy a leisurely ride. It’s not the only one. Polaris is a true pro at creating an all-terrain vehicle. If you’re looking for a real UTV for your work at the farm, it’s the best choice.

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