Zhiwei Motorcycle motorcycle engines
EPA certification records list 10 highway motorcycle engine families from Zhiwei Motorcycle, model years 2017–2026. Rated power ranges from 2 to 8 kW, median 2 kW. All listed families displace 49 cc. The most families were certified in 2026 (2).
Engine families10
Engine models2
Model years2017–2026
Power range2–8 kWmedian 2 kW
Displacement49 cc – 49 cc
Rank in category#102of 108 makers by families
Families certified per year
Technical mix
Fuel
Gas10
Configuration
410
Cylinders
1 cyl10
Most certified engine models
1P39Qmb9161Qmk1
Engine families
| Family | Model | Year | Displacement | Power | Fuel |
|---|---|---|---|---|---|
TZMUC.049ZWA | 1P39Qmb | 2026 | 49 cc | 2 kW | Gas |
TZMUC.169MCA | 161Qmk | 2026 | — | 8 kW | Gas |
SZMUC.049ZWA | 1P39Qmb | 2025 | 49 cc | 2 kW | Gas |
RZMUC.049ZWA | 1P39Qmb | 2024 | 49 cc | 2 kW | Gas |
PZMUC.049ZWA | 1P39Qmb | 2023 | 49 cc | 2 kW | Gas |
NZMUC.049ZWA | 1P39Qmb | 2022 | 49 cc | 2 kW | Gas |
MZMUC.049ZWA | 1P39Qmb | 2021 | 49 cc | 2 kW | Gas |
LZMUC.049ZWA | 1P39Qmb | 2020 | 49 cc | 2 kW | Gas |
JZMUC.049ZWA | 1P39Qmb | 2018 | 49 cc | 2 kW | Gas |
HZMUC.049ZWA | 1P39Qmb | 2017 | 49 cc | 2 kW | Gas |
Other motorcycle engines makers
Source
US Environmental Protection Agency engine certification data. Model year and manufacturer are decoded from EPA engine family codes (EPA codes:ZMU). An engine family is a group of engines certified together; one family can cover several power ratings.
Engine calculators
Torque, power and BMEPPower from torque and RPM · Torque from power and RPM · Brake mean effective pressure (BMEP)Engine displacementDisplacement from bore, stroke and cylinders · Bore from displacement and stroke · Stroke from displacement and boreBSFC and thermal efficiencyBSFC from power and fuel flow · Fuel flow from power and BSFC · Thermal efficiency from BSFCCompression ratioStatic compression ratio · Chamber volume for a target compression ratio · Theoretical compression pressurePiston speedMean piston speed · Maximum RPM for a piston speed limit · Rod ratio, piston velocity and acceleration
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