Powersports · Off-road motorcycles, ATVs and UTVs

Off-road motorcycles, ATVs and UTVs: 450–649 cc

EPA certification records list 793 off-road motorcycle, ATV and UTV engine families in the 450–649 cc class from 70 makers, model years 2006–2027. Polaris has the most, with 102 families, followed by Hisun Motors (79). Rated power in this class ranges from 10 to 49 kW, median 26 kW. 86% are 1-cylinder engines. The busiest certification year was 2026, with 60 families.

Engine families793
Makers70
Model years2006–2027
Power10–49 kWmedian 26 kW

Makers in this class

MakerFamiliesYearsPower
Polaris1022007–202621–49 kW
Hisun Motors792012–202714–28 kW
CFMOTO Powersports732007–202724–40 kW
Honda592006–202720–31 kW
John Deere402008–202611–24 kW
Suzuki302007–202624–31 kW
Kymco302007–202514–26 kW
Massimo Motor Sports292015–202714–30 kW
Linhai262010–202621–28 kW
Arctic Cat232006–202624–34 kW
KTM202006–202433–44 kW
Kawasaki182006–201411–31 kW
BMS Motorsports182012–202525–27 kW
Segway Powersports172021–202628–32 kW
Yamaha172009–202618–28 kW
Lil Pick Up142017–202625–40 kW
XY Powersports142007–201517–25 kW
YX Motors122010–201825–27 kW
Beta112008–201534 kW
Sigma Moto102013–202628–33 kW
WMW Group102010–201623–29 kW
Mars Carts92022–202624 kW
Textron Specialized Vehicles82016–202528–34 kW
BRP (Bombardier Recreational Products)72008–201429–34 kW
U-Storm Power72013–201925–28 kW

Families certified per year

20066
200726
200834
200939
201036
201134
201240
201342
201440
201536
201637
201737
201829
201929
202031
202136
202242
202346
202448
202556
202660
20279

Engine layout

Cylinders
1 cyl6842 cyl1084 cyl1
Configuration
4793

Recently certified models

Vehicle models listed in EPA engine certifications, newest first.

YearMakerModelsEngine
2027Massimo Motor SportsLH650ATV, Landforce 650, Landforce 650 Pro, MSA 660, MSA 660 Pro, V650580 cc · 30 kW
2027HondaFOURTRAX FOREMAN 4X4, FOURTRAX FOREMAN 4X4 EPS, FOURTRAX FOREMAN RUBICON 4X4 EPS, Foreman 520, Rubicon 520 IRS EPS518 cc · 22 kW
2027HondaFOURTRAX FOREMAN RUBICON 4X4 AUTOMATIC DCT EPS, FOURTRAX FOREMAN RUBICON 4X4 AUTOMATIC DCT EPS DEL, Rubicon 520 DCT Deluxe, Rubic518 cc · 22 kW
2027Hisun MotorsAXIS X550, Challenger MX 550S, HS550UTV-10S, HS550UTV-11S, HS550UTV-2S, HS550UTV-3S, HS550UTV-5S, HS550UTV-9S, HS550UTV-S, MP9 550, MP9 T 550, Sec540 cc · 26 kW
2027CFMOTO PowersportsCF500AU-17S CFORCE C5, CF500AZ-17S CFORCE C5, TERROX 500L, TERROX 500S499 cc · 29 kW
2027CFMOTO PowersportsCF600AU-3LA CFORCE600 Touring, CF600AU-3SA CFORCE600, CF600AZ-3LA CFORCE600 Touring, CF600AZ-3SA CFORCE600, CM600AU-3LA CFORCE600 Touring, CM600AU-3SA CFOR580 cc · 33 kW
2027CFMOTO PowersportsCF650AU-L C6 PRO TOURING, CF650AU-S C6 PRO, CF650AZ-L C6 PRO TOURING, CF650AZ-S C6 PRO, CM650AU-L C6 PRO TOURING, CM650AU-S C6 PRO, CM650AZ-L C6 PRO TOURIN647 cc · 40 kW
2027CFMOTO PowersportsCF650AU-SD C6, CF650AZ-SD C6, CM650AU-SD C6, CM650AZ-SD C6, CT650AU-SD C6647 cc · 34 kW
2027CFMOTO PowersportsCF600UU UFORCE 600, CF600UZ UFORCE 600, CM600UU UFORCE 600, CM600UZ UFORCE 600, CT600UU UFORCE 600, CT600UZ UFORCE 600580 cc · 27 kW
2026Massimo Motor SportsBuck 550, Buck 550X, Buck 560, Buck 560X, Gk500, T-Boss 550, T-Boss 550F, T-Boss 550X, T-Boss 560, T-Boss 560X493 cc · 24 kW
2026Massimo Motor SportsATV500 ProMax, ATV500-D, M550L, M560L, M570L, MSA 560, MSA 570, MSA550493 cc · 21 kW
2026Massimo Motor SportsBUCK 550, BUCK 550X, BUCK 560, BUCK 560X, GK500, GK700, Sentinel 570, Sentinel 570 HVAC, T-BOSS 550, T-BOSS 550F, T-BOSS 550X, T-BOSS 560, T-BOSS 560F, T-BO493 cc · 21 kW
2026Massimo Motor SportsBuck 550-6, Buck 550L, Lh500U-3B, T-Boss 550L493 cc · 21 kW
2026Massimo Motor SportsBUCK 550, BUCK 550X, BUCK 560, BUCK 560X, Sentinel 570, Sentinel 570 HVAC, T-BOSS 550, T-BOSS 550F, T-BOSS 550X, T-BOSS 560, T-BOSS 560X493 cc · 24 kW
2026Massimo Motor SportsBUCK 760, GK700, LH600U, LH650ATV-DL, MSA 760, Sentinel 770, Sentinel 770 HAVC, T-BOSS 760585 cc · 28 kW
2026Access MotorAMX600-U, AMX600-UL, AX600-U, AX600-UL608 cc · 33 kW
2026HondaPIONEER 520518 cc · 22 kW
2026Segway PowersportsAT5 L, Segway AT5 L DELUXE, Segway AT5 L EPS, Segway AT5 L PREMIUM, Segway AT5 L STANDARD, Segway AT5 S, Segway AT5 S DELUXE, Segway AT5 S EPS, Segw500 cc · 28 kW
2026Segway PowersportsAT6 EPS, Segway AT6 P, Segway AT6 S, Segway AT6 Touring EPS, Segway AT6 Touring S, Segyway AT6 touring P567 cc · 32 kW
2026Segway PowersportsAT6 EPS, Segway AT6 L EPS, Segway AT6 L Premuim, Segway AT6 L Standard, Segway AT6 S, Segway AT6 S EPS, Segway AT6 S Premuim, Segway AT6 S Standard567 cc · 32 kW
2026Segway PowersportsFugleman UT6, Segway UT6, Segway UT6 P, Segway UT6 Premium, Segway UT6 S, Segway UT6 Standard567 cc · 30 kW
2026Hisun MotorsForge 400, Forge 400i, Forge 450, HS 400ATV-2, HS 400ATV-7, HS 400ATV-8, HS 450ATV-4, HS400ATV-9, Tactic 400, Tactic 450, Viper 400 AT, Viper 450A454 cc · 17 kW
2026Hisun MotorsGuardian 550, Guardian 550L, HS550ATV-5S, HS550ATV-5SL, Viper 550GD, Viper 550GDL540 cc · 26 kW
2026Hisun MotorsBack40 550AT, Forge 500, Forge 500 EX, Forge 550, HS 500ATV-3, HS 500ATV-4, HS 500ATV-6, HS 500ATV-7, HS 550ATV, Impact 550, RK Performance 550AT546 cc · 20 kW
2026Hisun MotorsAxis 400, Axis 450, Back40 400, Back40 450, Bad Boy 450, HS400UTV-2, HS400UTV-3, HS400UTV-4, HS400UTV-5, HS450UTV, RK Performance 400, RK Performa454 cc · 17 kW
2026Hisun MotorsAxis 500, Axis 550, Back40 500, Back40 550, Bad Boy 550, Challenger M550, Challenger MX 550, HS500UTV-3, HS500UTV-4, HS500UTV-5, HS500UTV-6, HS550546 cc · 20 kW
2026Hisun MotorsChallenger MX550D, HS550UTV-10D, HS550UTV-2D, HS550UTV-3D, HS550UTV-5D, HS550UTV-9D, HS550UTV-D, Remington 550D, Sector 550D, Sector 550D DX, Sect540 cc · 28 kW
2026PolarisSportsman 450 H.O., Sportsman 450 H.O. EPS567 cc · 32 kW
2026PolarisSportsman 570 EPS, Sportsman 570 Premium567 cc · 33 kW
2026PolarisPRO XD Mid-Size Gas, PRO XD Mid-Size Gas Crew567 cc · 32 kW
2026PolarisRANGER CREW SP 570 NorthStar Edition, RANGER SP 570 NorthStar Edition567 cc · 32 kW
2026PolarisRANGER 500, RANGER CREW SP 570, RANGER CREW SP 570 Premium, RANGER SP 570, RANGER SP 570 Premium567 cc · 32 kW
2026PolarisSportsman 570 Ultimate, Sportsman 6x6 570, Sportsman X2 570567 cc · 32 kW
2026PolarisSportsman 570, Sportsman 570 EPS, Sportsman 570 Limited Edition, Sportsman 570 Premium, Sportsman 570 Trail, Sportsman Touring 570, Sportsman To567 cc · 32 kW
2026YamahaWR450FT1450 cc · 18 kW
2026Tao MotorRBUT550, RHINO 550FI, UT550B, UT550R, UTGV550R546 cc · 20 kW
2026CFMOTO PowersportsCF500AU-10S CFORCE 500, CFORCE 450, CF500AZ-10S CFORCE 500, CFORCE 450, CM500AU-10S CFORCE 500, CFORCE 450, CM500AZ-10S CFORCE 500, CFORCE 450, CT500AU-10S495 cc · 26 kW
2026SuzukiLT-A500XM6 (KingQuad 500AXi), LT-A500XPBM6 (KingQuad 500AXi PS w/ Rugged Pkg), LT-A500XPM6 (KingQuad 500AXi Power Steering), LT-A500XPZM6 (Kin493 cc · 28 kW
2026LinhaiATV500 ProMax, ATV500-D, BUCK 550, BUCK 550X, BUCK 560, BUCK 560X, LH500U-B, M550L, M560L, M570L, MSA 550, MSA 560, MSA 570, T-BOSS493 cc · 24 kW
2026LinhaiBUCK 760, LH600U, LH650ATV-DL, MSA 760, T-BOSS 760585 cc · 28 kW

Other size classes

Under 100 cc650100–249 cc2216250–449 cc825450–649 cc793650–849 cc708850–999 cc5861,000 cc and over127

Source

US EPA engine certification data. One engine family can power several vehicle models and trims. Maker and model year are decoded from EPA engine family codes.

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