Powersports · Highway motorcycles

Highway motorcycles: Under 5 kW (≈ 7 hp)

EPA certification records list 947 highway motorcycle engine families in the Under 5 kW (≈ 7 hp) class from 163 makers, model years 2006–2027. Piaggio has the most, with 79 families, followed by Kymco (43). Where displacement is listed, it ranges from 48 to 96 cc. 100% are 1-cylinder engines. The busiest certification year was 2009, with 101 families.

Engine families947
Makers163
Model years2006–2027
Power1–5 kWmedian 2 kW

Makers in this class

MakerFamiliesYearsPower
Piaggio792006–20271–5 kW
Kymco432006–20271–3 kW
Honda342006–20263–4 kW
Genuine Scooters302007–20262–5 kW
Yamaha282007–20192–3 kW
Amstar Motors262009–20262–2 kW
Hidria192006–20142–2 kW
Hammer Brand182009–20262–2 kW
Peace Industry Group172008–20252–2 kW
Carter Brothers172006–20102–3 kW
Jiajue162012–20262–2 kW
Pacific Rim International West162011–20262 kW
Lance Powersports152009–20252–3 kW
Boom International Holdings142014–20262 kW
Tao Motor132018–20252 kW
Alliance Powersports132012–20253–3 kW
Motofino132007–20132–5 kW
Value Group Enterprises122012–20222–2 kW
Jili Scooter Import122013–20242 kW
JMStar Powersports122007–20152–2 kW
Dongfang Motor112011–20242–2 kW
Linhai112008–20252 kW
Jonway Motorcycle112006–20122–3 kW
Chicago Scooter102016–20252 kW
Titan Imports102007–20242–2 kW

Families certified per year

200619
200766
200866
2009101
201080
201160
201245
201350
201445
201537
201633
201736
201833
201926
202034
202138
202244
202339
202435
202531
202626
20273

Engine layout

Cylinders
1 cyl947
Configuration
47872160

Recently certified models

Vehicle models listed in EPA engine certifications, newest first.

YearMakerModelsEngine
2025LinhaiPowersports USA Corporation49 cc · 2 kW
2022Amstar MotorsAmstar Motor Corporation50 cc · 2 kW

Other size classes

Under 5 kW (≈ 7 hp)9475–15 kW (≈ 7–20 hp)181415–35 kW (≈ 20–47 hp)95135–60 kW (≈ 47–80 hp)78460–90 kW (≈ 80–120 hp)111690–120 kW (≈ 120–160 hp)659120 kW and over (≈ 160+ hp)479

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.

Related calculators

Engine displacementDisplacement from bore, stroke and cylinders · Bore from displacement and stroke · Stroke from displacement and borePower-to-weightPower-to-weight ratio · Torque-to-weight ratio · Power needed for a target ratioGear ratio and road speedRoad speed at a given RPM · Engine RPM at a given road speed · Overall ratio and wheel torque

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