For both speed and power, a flawless, pleasant-sounding exhaust system is important. A 2001 Polaris Trail Boss 325 gives no more than 45 mph (72.4 kph), while an ’05 model reportedly can reach 53 mph (85.3 kph) in stock condition. The maximum power output for this quad based on Dyno tests is 19 hp (18.7 bhp), while top speed varies. Fuel tank capacity is 3.7 US gallons (14 Liters) with a minimum of 87 (oxygenated) or 89 (non-oxygenated) PON rating. The quad has a valve clearance of 0.006 inches BTDC on compression for both intake and exhaust. It has a bore-stroke ratio of 78 mm x 68 mm (3.07 x 2.68 inches), an engine displacement of 324 cm 3 (19.77 in3), and a 9.2:1 compression ratio – delivered by a 31-mm Mikuni BST carburetor. The Polaris 325 Trail Boss is brought to life by a four-stroke, air-cooled (with fan-assisted stage 3 oil cooler) single-cylinder engine. But despite its limited options, riders and enthusiasts still gravitated towards the four-wheeler due to its features and a reasonable list price of $3,499 – exclusive of any package inclusions one can avail from the dealer.Ĭonsequently, the Polaris Trail Boss 325 appealed to ranchers who needed a yard worker (for a fraction of a tractor’s cost) and off-roaders looking for an outdoor adventure. Unlike most of its same- and higher-displacement siblings, the Polaris Trail Boss 325 did not have any special-edition trims produced. While rear-wheel travel is already impressive, this further increased from 9.0 to 10.5 for the 2012 Polaris Trail Boss®. The lubrication system changed from dry to wet-sump type for later-year versions. Displacement increased from 324 to 329 cm 3, together with the Polaris Magnum 325. For instance, the carburetor size varied from 30 mm to 34 mm. Not to mention that its four-wheel hydraulic disc brake system and hauling ability make the Trail Boss stand out from the competition.ĭepending on the year and trim, slight variances are noticeable in some Polaris Trail Boss 325 parts. I say this because the vehicle sports close to bare-minimum features such as rear racks, hi- and low-beam headlights, standard footwells, and a single two-wheel driveline mode.īut at the same time, it underwent numerous improvements in its power delivery, wheel travel, and exterior finish throughout its production. The Polaris Trail Boss 325 is both a conservative and progressive machine. Want to know more about this seemingly underrated machine? Stick around and continue reading. But that did not halt its popularity with consumers. The original 324 cm 3 Trail Boss later became known as the Polaris Trail Blazer when its powerplant got converted to a 330-class engine in 2003. Unlike its 330-class siblings, this quad enjoyed a 14-year production run from 2000 to 2013. It featured various color options, an impressive 9-inch rear wheel travel, and a sharp turning radius. The Polaris Trail Boss 325 was an entry-level vehicle that balanced utility and play. This vehicle dominated beaten paths, farms, and yes – the drag-race scene! The Polaris Trail Boss 325 launched alongside the Magnum 325 and stayed in the ATV limelight for 14 years before paving the way for the Sportsman and other current ATV lineups.
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