Powersports · Off-road motorcycles, ATVs and UTVs

Off-road motorcycles, ATVs and UTVs: 250–449 cc

EPA certification records list 825 off-road motorcycle, ATV and UTV engine families in the 250–449 cc class from 98 makers, model years 2006–2027. Yamaha has the most, with 91 families, followed by Honda (67). Rated power in this class ranges from 7 to 96 kW, median 18 kW. 100% are 1-cylinder engines. The busiest certification year was 2008, with 72 families.

Engine families825
Makers98
Model years2006–2027
Power7–96 kWmedian 18 kW

Makers in this class

MakerFamiliesYearsPower
Yamaha912007–202614–30 kW
Honda672006–202716–47 kW
Kymco552007–202714–25 kW
Linhai552007–202614–18 kW
Arctic Cat442006–202616–27 kW
Kawasaki422006–202715–34 kW
BRP (Bombardier Recreational Products)412007–202521–34 kW
Suzuki332007–202615–31 kW
Massimo Motor Sports202017–202617–19 kW
CFMOTO Powersports162016–202722–30 kW
KTM162010–202417–34 kW
Polaris152007–201614–26 kW
Textron Specialized Vehicles152019–202516–26 kW
Taotao142009–201812–14 kW
BMS Motorsports132008–202611–17 kW
Hisun Motors122012–202616–21 kW
Xingyue122007–201212–20 kW
Tomoto Industries122007–201113–30 kW
Lil Pick Up102010–202611–22 kW
Pacific Rim International West92017–202716–19 kW
Fang Power92017–202615–21 kW
Zuma Extreme Sports92022–202614–20 kW
XY Powersports82007–201512–14 kW
Mars Carts82021–202619 kW
Goldenvale72007–200910–14 kW

Families certified per year

200611
200767
200872
200956
201051
201143
201248
201340
201435
201529
201626
201730
201831
201925
202032
202129
202228
202334
202441
202542
202647
20278

Engine layout

Cylinders
1 cyl8222 cyl24 cyl1
Configuration
4825

Recently certified models

Vehicle models listed in EPA engine certifications, newest first.

YearMakerModelsEngine
2027KawasakiKLX300R292 cc · 21 kW
2027HondaFOURTRAX RANCHER, FOURTRAX RANCHER 4X4, FOURTRAX RANCHER 4X4 AUTOMATIC DCT EPS, FOURTRAX RANCHER 4X4 AUTOMATIC DCT IRS EPS, Ranch420 cc · 20 kW
2027HondaCRF300F293 cc · 18 kW
2027Pacific Rim International WestAU300-D271 cc · 17 kW
2027Pacific Rim International WestA300-D292 cc · 19 kW
2027CFMOTO PowersportsCF400AU-7S CFORCE C4, CF400AZ-7S CFORCE C4, CFORCE C4 Touring409 cc · 24 kW
2027KymcoBrute Force 300271 cc · 16 kW
2027KayoS350326 cc · 22 kW
2026Massimo Motor SportsLH400ATV-F, MSA 400, MSA 400F, MSA 450, MSA 450F, Vyken 400, Vyken 400F, Vyken 450, Vyken 450F352 cc · 17 kW
2026Massimo Motor SportsBuck 410, Buck 410X, Buck 450, Buck 450X, T-Boss 410, T-Boss 410X, T-Boss 450, T-Boss 450X352 cc · 17 kW
2026Apollo Power SportsAGA-18/300287 cc · 17 kW
2026Apollo Power SportsSTORM PR300271 cc · 15 kW
2026Apollo Power SportsAGB40-1A, AGB40-1B271 cc · 15 kW
2026Access MotorSP450449 cc · 33 kW
2026HondaCRF450X449 cc · 34 kW
2026Pacific Rim International WestAU300271 cc · 17 kW
2026Hisun MotorsGuardian 400, Guardian 400L, HS400ATV-11, HS400ATV-11L, Viper 400 GD, Viper 400 GDL393 cc · 21 kW
2026Hisun MotorsAxis 400S DX, Back40 400R, HS400UTV-10, HS400UTV-11, HS400UTV-7, HS400UTV-8, HS400UTV-9, MP9 T 400, Sector 400S, Sector 400S DX, Sector 400S EX, S393 cc · 21 kW
2026YamahaYFM45KDXTG (KODIAK450), YFM45KDXTL (KODIAK450), YFM45KPATG (KODIAK450 EPS CAST), YFM45KPHTF (KODIAK450 EPS CAMO Hunting), YFM45KPZTM (KODIAK45421 cc · 21 kW
2026YamahaYFZ45YSSTG (YFZ450R SE), YFZ45YSSTW (YFZ450R SE2), YFZ45YSXTL (YFZ450R)449 cc · 30 kW
2026YamahaWR250FT1250 cc · 14 kW
2026Tao MotorFREELANDER 300FI271 cc · 16 kW
2026CFMOTO PowersportsCF400AU-6S CFORCE 400, CF400AZ-6L CFORCE 400 Touring, CF400AZ-6S CFORCE 400, CM400AU-6S CFORCE 400, CM400AZ-6S CFORCE 400, CT400AU-6S CFORCE 400, CT400AZ-6400 cc · 22 kW
2026SuzukiLT-A400FCM6 (KingQuad 400ASi Camo), LT-A400FM6 (KingQuad 400ASi), LT-A400FZCM6 (KingQuad 400ASi SE Camo), LT-A400FZM6 (KingQuad 400ASi SE), LT376 cc · 19 kW
2026BMS MotorsportsXwolf, Xwolf 300271 cc · 17 kW
2026KymcoMXU 270i EURO, Mongoose 270i271 cc · 14 kW
2026KymcoBrute Force 300, Brute force 300271 cc · 16 kW
2026KymcoBRUTE FORCE 450, Brute Force 450EPS443 cc · 24 kW
2026KymcoMXU 450i, MXU 450iLE, Maxxer 450i443 cc · 24 kW
2026LinhaiATV320, F320, LH300ATV-2D, LH320ATV-2D, MSA320, TITAL320275 cc · 14 kW
2026LinhaiBUCK 450, BUCK 450X, COMPASS 400, CRUISER 400, LH400U-2B, LH400U-C, LINHAI 400 PRO, LINHAI 400-C, T-ARCHON 400, T-BOSS 410, T-BOSS40352 cc · 18 kW
2026Arctic CatAlterra 300, Tracker 300271 cc · 16 kW
2026Arctic CatAlterra 450, Tracker 450442 cc · 23 kW
2026Lil Pick Up300-T, ODES300-1A, ODES300-2A, ODES300-3A, ODES300-S1, ODES400-1A, ODES400-2A, ODES400-3A, ODES400-4A, ODES400-5A, ODES400-S1, TrailCross 400, TrailCross 4326 cc · 22 kW
2026KayoK2, K2 PRO, K4250 cc · 14 kW
2026KayoK2 Pro EFI, K4 EFI250 cc · 14 kW
2026Fang PowerFx350-2, Fx350-U, Fx350-Xl, Fx400-2, Fx400-U, Fx400-Xl311 cc · 21 kW
2026Mars Carts380, Bighorn 400, Bison 400, Bison 400L, Bison 400U, Eagle 400, SRU400U, SRU400U XL, Taurus 4 450 G, Taurus 4 450 U, Taurus 450 G, Taurus 450 U, Ti391 cc · 19 kW
2026U-Storm PowerAP300GK, AP300J276 cc · 12 kW
2026Yoki CartsMaximus 450, Ranchero 450, Venture 450, Victory 450, Victory 450 deluxe, YK450A, YK450U-1, YK450U-2391 cc · 19 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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