Side-by-sides eat turbos like nothing else on wheels: dust, mud, water crossings, full-throttle dune runs, and engines that redline all day in 120-degree engine bays. Boost Lab, Inc. rebuilds the factory turbochargers on the Polaris RZR XP Turbo, RZR Pro XP, RZR Turbo R and Turbo S (BorgWarner K03 family under Polaris 1205689 and 3023297), and the Can-Am Maverick X3 Rotax 900 ACE turbo in all trims from base Turbo through Turbo RR. We also service aftermarket turbo kits on Kawasaki KRX, Yamaha YXZ1000R, Honda Talon and naturally aspirated RZR and X3 conversions. Nationwide ship-in service.
Two OEMs ship turbocharged SXS machines from the factory. The rest run aftermarket kits. Find yours.
The original factory turbo SXS runs a BorgWarner K03-family unit, Polaris part numbers 1205689, 3022792 and 3023297, on the 925cc ProStar twin making 168 hp. Stock compressor inducer is 36mm with a 50mm turbine. These units live in a brutally hot, dusty under-seat engine bay, and by 2,000 to 4,000 miles most trail-ridden machines show bearing wear. The K03 architecture is the same family we rebuild across Ford EcoBoost and European OE applications, so parts support is deep.
The Pro XP moved to a water-cooled center section, Polaris 3023738, which is a significant durability improvement over the XP Turbo's oil-only cooling. Same K03 architecture, 181 hp, and the same dust and heat environment. Water cooling buys time but does not prevent the dust and oil contamination that eventually wears the bearings.
The Turbo R carries a revised turbo assembly under Polaris 1208928, 1206227, 1208118 and 1208818 with updated manifold and packaging for 181 hp. Still a K03-family unit, still rebuildable, and still living in the same hostile environment. Tag photos confirm which revision you have.
Every turbocharged X3, from the 120 hp base Turbo through the 195 hp Turbo RR, runs a turbocharger on the Rotax ACE 900cc triple. Stock wheel sizing is approximately 35.6mm compressor inducer with a 50mm turbine on the base, larger on RR spec. BRP services the turbo VIN-specifically through dealer channels at premium pricing; the hardware underneath rebuilds for a fraction of it. X3 Turbo, DS, RS, RC, and Max variants are all covered.
The Kawasaki KRX 1000, Yamaha YXZ1000R and Honda Talon are naturally aspirated from the factory, and aftermarket turbo kits from Force Turbos, S&S Cycle, Dynojet and others are increasingly common. We rebuild the turbo units themselves, Garrett, BorgWarner and IHI hardware depending on the kit manufacturer. Send tag and wheel photos so we can identify the unit before you ship.
A side-by-side turbo lives the hardest life in powersports: air filtration designed for compact packaging, not longevity; engine bays that trap heat with no ram air; operators who run flat-out for hours and shut straight down; and trail conditions that would clog an ag tractor's air system. The turbos themselves are sound hardware, usually K03-class journal bearing units. The environment kills them, and addressing the environment is half of a successful rebuild.
The number one killer of SXS turbos is not heat, not oil, not boost: it is dust past the air filter. A tiny amount of fine desert dust past a poorly sealed filter housing, a cracked intake boot, or a pre-filter that was not cleaned after the last ride sandblasts the compressor wheel at 100,000-plus RPM until the blades round off and the assembly unbalances. The bearing wear that follows is rapid and fatal. Inspect your intake tract, filter housing seal, and all boots and clamps before installing any rebuilt turbo. If dust killed the first one, it will kill the second one the same way.
Verified Polaris part numbers and Can-Am platform notes. SXS turbos identify by Polaris PN or by the turbo unit tag. Search by any number.
| Turbo PN | Model | OEM PN | Application | Notes |
|---|---|---|---|---|
| K03 (BorgWarner family) | K03 journal bearing | Polaris 1205689 | 2016-2021 RZR XP Turbo / Turbo S 925cc | Also tagged 3022792; 36mm inducer, 50mm turbine stock |
| K03 (BorgWarner family) | K03 journal bearing | Polaris 3023297 | 2016-2021 RZR XP Turbo / Turbo S service | Supersedes 3022792 in service; same K03 unit |
| K03 (water-cooled CHRA) | K03 journal bearing | Polaris 3023738 | 2020+ RZR Pro XP / Pro XP 4 | Water-cooled center section; significant durability gain |
| Tag-specific | K03 revised | Polaris 1208928 / 1206227 | 2022+ RZR Turbo R | Also 1208118, 1208818; revised manifold packaging |
| Tag-specific | K03 revised | Polaris 3024207 | 2020-2024 RZR Pro XP / Turbo R service | Late service assembly number |
| Tag-specific | K03 revised | Polaris 3023715 | 2020-2024 RZR Pro XP / Turbo R | Alternate assembly number seen on 925cc units |
| Tag-specific by VIN | Rotax ACE turbo | BRP/Can-Am dealer channel | 2017+ Maverick X3 Turbo (120 hp base) | Rotax 900cc triple; ~35.6mm inducer stock |
| Tag-specific by VIN | Rotax ACE turbo (R spec) | BRP/Can-Am dealer channel | 2018+ Maverick X3 Turbo R (172 hp) | Larger spec than base Turbo |
| Tag-specific by VIN | Rotax ACE turbo (RR spec) | BRP/Can-Am dealer channel | 2020+ Maverick X3 Turbo RR (195 hp) | Highest-output factory X3 configuration |
| Tag-specific by kit mfr | Garrett / BorgWarner / IHI | n/a (aftermarket) | Kawasaki KRX 1000, Yamaha YXZ1000R, Honda Talon kits | Force Turbos, S&S, Dynojet and others; send tag photos |
| Tag-specific by kit mfr | Various | n/a (aftermarket) | NA-to-turbo RZR / X3 / Ranger conversions | Verify turbo unit identity by tag before shipping |
The failure patterns are unique to powersports. Every one traces to the environment, not the hardware.
The defining SXS turbo failure. Fine desert and trail dust enters through poorly sealed filter housings, cracked intake boots, loose clamps, or saturated pre-filters and sandblasts the compressor wheel at extreme RPM. Blade tips round off, the wheel unbalances, and the journal bearings wear out in hundreds of miles instead of thousands. The fix starts at the intake, not the turbo.
SXS engine bays are compact, sealed, and have minimal airflow compared to any automotive application. The turbo lives in an oven, and shutting down after a hard trail run bakes the oil in the center section. Coked oil passages starve the bearings on the next cold start. Water-cooled Pro XP units handle it better but are not immune.
Trail crossings, mud pits, and pressure washing push water into places it should never reach: the intake tract, the exhaust, and the turbo itself. Water in the exhaust causes thermal shock on the turbine; water in the intake hammers the compressor. Cap the intake and exhaust if you wash the machine, and never pressure-wash toward the turbo.
SXS engines run hot, rev high, and accumulate hours faster than miles. Many owners follow the mileage interval and ignore the hour reading, or run automotive oil that does not hold up in a high-RPM powersports application. The turbo bearings are the first to notice.
Pull into camp, kill it, crack a drink. Every SXS rider does it, and every hot shutdown bakes oil in the center section. Sixty seconds of idle costs nothing and doubles turbo life, but almost nobody does it. On the non-water-cooled XP Turbo units this habit is the difference between a 4,000-mile turbo and a 10,000-mile turbo.
The SXS tuning scene is aggressive, and cranking boost on the stock K03 frame without supporting modifications overloads the thrust bearing and overspeeds the compressor. Rebuildable, with upgraded thrust parts where the hardware allows, and an honest conversation about whether a bigger turbo is the right path for your power goal.
Yes, it is a BorgWarner K03-family journal bearing turbo, the same architecture that runs across millions of Ford EcoBoost trucks and European OE applications. Polaris-specific housings and calibration, but proven K03 cartridge parts underneath with deep rebuild support. That is good news for SXS owners: you are not stuck with dealer-only assemblies.
It depends entirely on the environment and maintenance. Trail-ridden XP Turbos with marginal air filtration show bearing wear by 2,000 to 4,000 miles. Dune-only machines in deep sand fail faster. Well-maintained Pro XP units with water-cooled CHRAs and sealed intakes can go significantly longer. The turbo hardware is not the weak link; the air filtration and heat management are.
Yes. The Rotax 900 ACE turbo across all X3 trims, Turbo through Turbo RR, is rebuildable. BRP services them VIN-specifically at dealer pricing; a rebuild costs a fraction of that. Send the unit with tag photos and we will confirm the spec before quoting.
Very likely. Pull the intake boot and inspect the compressor wheel: if the blade tips are rounded, frosted, or visibly worn, dust got past the filter and the turbo is done. Check the filter housing seal, every boot and clamp, and the pre-filter condition before installing the rebuild, or the replacement dies the same way.
Yes, the turbo units themselves. Force Turbos, S&S, Dynojet and other kit makers use Garrett, BorgWarner and IHI hardware that we service across our whole catalog. Send tag and wheel photos through the repair form so we can identify the unit and confirm parts before you ship.
Three things: seal the intake tract properly (inspect every boot, clamp, and filter housing gasket), idle down for 60 seconds after hard runs, and follow the hour-based oil interval, not just the mileage interval. Those three habits are worth more than any hardware upgrade.
Start at repair.theboostlab.com, note the machine, year and any modifications. Drain the oil passages, cap the openings, and double-box with solid padding. Ship to Boost Lab, Inc., 37833 Pineapple Ave, Unit A, Dade City, FL 33523. We serve SXS owners nationwide.