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Scooter Β· 2021

Z3

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MotoLibrary Score
36 /100 Commuter
Power/Weight
0.1 hp/kg
Top Speed
45 km/h
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🧍 2D Fit Simulator πŸ“‹ Buyer Checklist
Performance & Handling Profile Versatile Everyday Motorcycle

Z3 Performance & Handling Ratings

POWER TORQUE AGILITY ERGONOMICS RANGE Power: 24/100 (8.1 HP) Torque: 35/100 (Balanced) Agility: 98/100 (85 kg dry) Ergonomics: 68/100 (Standard) Range: 58/100 (Standard)
Power
24/100
8.1 HP
Torque
35/100
Balanced
Agility
98/100
85 kg dry
Ergonomics
68/100
Standard
Range
58/100
Standard
Tires, Oil & Maintenance Specs 2021 Factory Reference

Z3 Tire Size, Oil & Service Capacities

πŸ›ž Front Tire Size
90/90-12
Front wheel spec
πŸ›ž Rear Tire Size
100/80-12
Rear wheel spec
πŸ“ Seat Height & Mass
85.0 kg (187.4 pounds)
Dry weight: 85.0 kg (187.4 pounds)
πŸ”§ Printable Workshop Fluid & PSI Card β†’
Engine
Engine Type Electric
Engine Details Side mounted motor
Power 8.1 HP (5.9 kW)
Fuel System Electronic motor controller (Direct electric drive)
Ignition Electronic controller
Cooling Air
Transmission
Gearbox Automatic
Clutch Direct electric drive (clutchless)
Driveline Belt / Chain final drive
Performance
Top Speed 45.0 km/h (28.0 mph)
Greenhouse Gases 0.0 CO2 g/km. (CO2 - Carbon dioxide emission)
Chassis
Frame Type Cold-rolled steeless frame
Front Suspension Telescopic fork
Wheelbase 1280 mm (50.4 inches)
Wheels & Brakes
Front Tyre 90/90-12
Rear Tyre 100/80-12
Front Brakes Single disc
Rear Brakes Single disc
Dimensions & Weight
Dry Weight 85.0 kg (187.4 pounds)
Power/Weight 0.0947 HP/kg
Overall Height 1200 mm (47.2 inches)
Overall Length 1780 mm (70.1 inches)
Overall Width 900 mm (35.4 inches)
Service & Fluids
Brake Fluid DOT 4
Other
Starter Electric
Color Options White, Black
Instruments LED screen
Light Led front light
Notes

72V 26AH lithium battery. Range 60km. Made in China.

Owner Reviews, Editor Verdict & Safety Recalls Verified 2021 owner feedback, NHTSA/DVSA recall records & editorial review

2021 Yadea Z3 Pros, Cons, Recalls & Verdict

βœ“ 5 Positive Owner Reviews (Pros)
  • High-energy Panasonic 18650 lithium-ion battery pack provides reliable urban range of up to 60-70 km on a single charge
  • Sporty motorcycle-style inverted front forks and dual gas-charged rear shock absorbers provide superior ride stability
  • Aggressive streetfighter-inspired aesthetic with full LED matrix lighting and customizable daytime running lights
  • Dual hydraulic disc brakes deliver sharp, progressive, and confident stopping power in all weather conditions
  • Integrated smart smartphone app connectivity provides GPS anti-theft tracking, remote unlocking, and battery diagnostics
! 5 Negative Owner Reviews & Known Issues (Cons)
  • Top speed is capped around 45 km/h (28 mph) to meet L1e moped regulations, restricting it strictly to city streets
  • Under-seat space is largely consumed by the removable lithium battery, leaving minimal space for helmet storage
  • Firm sport suspension calibration can feel harsh and unyielding over rough cobblestones and deep potholes
  • Plastic fairing panels and switchgear quality feel lightweight compared to established Japanese scooter competitors
  • Charging from a standard wall outlet takes approximately 5 to 6 hours for a complete 0-100% battery replenish
β˜… Editor's Technical Verdict (2021)

The 2021 Yadea Z3 is a futuristic electric moped that fuses aggressive streetfighter design with cutting-edge lithium battery tech. Equipped with inverted front forks, dual hydraulic disc brakes, and smart app telematics, it offers younger riders an engaging, eco-friendly alternative to traditional combustion 50cc scooters. While its top speed is strictly governed by moped licensing rules and under-seat storage is tight, it stands as an innovative, zero-emissions commuter built for stylish urban navigation.

πŸ›‘οΈ Official Safety Recalls (2021) 0 Official Recalls

No official safety recalls reported for this model year.

2021 Yadea Z3 Technical Analysis, Chassis Review & Ownership Overview

At the heart of the 2021 Yadea Z3 scooter motorcycle, Yadea features a purpose-built air-cooled electric configuration. In factory specification, peak output is rated at 8.1 HP (5.9 kW), transferring power to the rear wheel through an automatic transmission, a direct electric drive (clutchless) clutch. Internal cylinder geometry specifies fuel delivery managed via electronic motor controller (direct electric drive).

On the scales, the Z3 measures 85 kg (187 lbs) dry, translating to a power-to-weight ratio of 0.1 HP/kg (10.49 kg per horsepower). Rider ergonomics and dimensional geometry center around a 1,280 mm (50.4 in) wheelbase engineered for quick, flickable turn-in geometry.

Structurally, the 2021 Yadea Z3 is built around a Cold-rolled steeless frame chassis with front suspension handled by Telescopic fork. Braking performance is delivered by single disc up front paired with single disc at the rear. Factory rolling stock mounts a 90/90-12 front tire and a 100/80-12 rear tire, sizing the contact patch for predictable turn-in grip and replacement tire availability.

From a licensing standpoint, its 5.9 kW output qualifies for European A1 and beginner motorcycle license tiers. Buyers cross-shopping the 2021 Yadea Z3 in the Scooter segment most frequently benchmark its horsepower, seat height, and curb weight against the Yamaha NMAX (2018), Yamaha Sight (2018), Yamaha TMAX (2018).

Power-to-Weight
0.1 HP/kg (10.49 kg/HP)
Tire Combination
90/90-12 / 100/80-12
About These 2021 Yadea Z3 Specifications & Data Sources: Technical data for the 2021 Yadea Z3 is compiled from manufacturer OEM service sheets and type-approval records by the MotoLibrary Editorial Team. Performance ratings, seat-height ergonomics, A1/A2 license eligibility, gearing speeds, and ownership cost estimates are calculated across MotoLibrary's database of 43,881+ motorcycles using power-to-weight (HP/kg) ratios and factory chassis dimensions.
βœ“ Verified against OEM service manuals & type-approval records
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Buying Checklist

Before You Compare This Bike

Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.

Power
Compare engine output with similar motorcycles if acceleration, highway use or two-up riding matters.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
Rider Profile

Who Is This Bike For?

🟒
Beginner
A2 license compatible, manageable power.
πŸ™οΈ
Best For
City & Commuting
βš–οΈ
Handling
Very lightweight β€” easy to handle
Seat Height & Ergonomics Seat: 800 mm (31.5 in)

Z3 Seat Height & Rider Height Fit

175 cm (5'9")
79 cm (31.1")
Footwear Sole:
🟒 Balls of Both Feet (Secure)
Est. Knee Angle: ~92Β°

Quick Height Reference (800 mm Saddle + 28 mm Seat Width Arc):
163cm (5'4")
1-Foot Only
170cm (5'7")
Balls of Feet
178cm (5'10")
Balls of Feet
185cm (6'1")
Flat-Foot
License & Power Limit Check EU / UK A2 Compliant (Native)

Z3 A1, A2 & LAMS License Compatibility

Directly compliant with the ≀35 kW (47 HP) and ≀0.20 kW/kg A2 license limit without restriction kits.

Output (kW / HP)
5.9 kW (8.1 HP)
Power / Weight
0.065 kW/kg
LAMS Ratio
65 kW/t
πŸ‡ͺπŸ‡Ί EU/UK A1 (≀11kW) βœ— No
πŸ‡ͺπŸ‡Ί EU/UK A2 (≀35kW) βœ“ Native
πŸ‡¦πŸ‡Ί AU/NZ LAMS (≀150kW/t) βœ— Exceeds
🌍 Unrestricted Class A βœ“ All Riders
* EU Directive 2006/126/EC requires ≀35 kW (47.5 HP), ≀0.20 kW/kg wet weight, and a factory base model not exceeding 70 kW (95 HP) for A2 restriction. Always verify VIN homologation on your registration certificate.
Engine Design & Chassis Dimensions OEM Specs

Z3 Engine Stroke, RPM & Steering Geometry

Mean Piston Speed (@ 8,500 RPM)
Standard Street Velocity
Standard Factory Thermal Load
Bore Γ— Stroke Architecture
OEM Spec
Balanced Street Engine Architecture
Steering Rake & Trail
Standard Rake
Neutral Balanced Cornering & Highway Composure
Wheelbase & Stability
1,280 mm (50.4 in)
Compact agile chassis footprint
Engine Note: Mean piston speed (vm = 2 Γ— Stroke Γ— RPM / 60) measures piston travel velocity at peak power. Values under 18.5 m/s indicate low inertial stress on connecting rods and rings; values above 21.5 m/s approach Formula 1 / MotoGP velocities.
Sprockets, Chain & Cruising RPM Base: 16T / 43T (2.69:1) Β· Class Ref

Z3 Sprocket Ratio, RPM & Top Speed

16T (0)
43T (0)
Final Ratio
2.69:1
0.0% (Factory Stock)
100 / 120 km/h RPM
Top gear est.
Geared V-Max
~45 km/h
Rule of Thumb: Dropping 1 tooth in the front (-1T) equals roughly adding +2.7 to +3 teeth on the rear sprocket, boosting wheel torque by ~6–7% at the cost of higher highway cruising RPM.
Tire Pressure & Suspension Travel Travel: 125mm F / 130mm R

Z3 Tire Pressure (PSI / Bar) & Suspension Sag

1. Riding Setup Mode:
2. Payload / Passenger Load:
Target Rider Sag (F / R)
38 mm Front Β· 39 mm Rear
Free (Static) Sag target: 10–15 mm
Cold Tire Pressure (F / R)
32 / 36 PSI
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2021 Yadea Z3 Summary Table

Writing a review, forum post, or blog article on the 2021 Yadea Z3? Copy a Markdown table or embeddable HTML spec card:

### 2021 Yadea Z3 β€” Key Specs & Telemetry
| Parameter | Specification |
| :--- | :--- |
| **Category** | Scooter |
| **Displacement** | N/A |
| **Power Output** | 8.1 HP (5.9 kW) (0.065 kW/kg) |
| **Torque** | N/A |
| **Seat Height** | 800 mm |
| **Weight (Dry / Wet)** | 85.0 kg (187.4 pounds) / 90.1 kg |
| **Mean Piston Speed** | Standard |
| **EU A2 License Status** | EU / UK A2 Compliant (Native) |
| **Source & Full Telemetry** | https://motolibrary.com/bikes/yadea/z3/2021 |
<div style="font-family:system-ui,-apple-system,sans-serif;border:1px solid #e2dfd8;border-radius:12px;padding:14px 16px;max-width:560px;background:#ffffff;color:#1a1a1a"><div style="font-weight:700;font-size:16px;margin-bottom:8px">2021 Yadea Z3 β€” Technical Specs &amp; Recall Summary</div><table style="width:100%;border-collapse:collapse;font-size:13px"><tr><td style="padding:5px 0;border-bottom:1px solid #eee;color:#666">Engine / Power</td><td style="padding:5px 0;border-bottom:1px solid #eee;font-weight:600;text-align:right">N/A Β· 8.1 HP (5.9 kW)</td></tr><tr><td style="padding:5px 0;border-bottom:1px solid #eee;color:#666">Seat Height</td><td style="padding:5px 0;border-bottom:1px solid #eee;font-weight:600;text-align:right">800 mm</td></tr><tr><td style="padding:5px 0;border-bottom:1px solid #eee;color:#666">Weight (Dry / Wet)</td><td style="padding:5px 0;border-bottom:1px solid #eee;font-weight:600;text-align:right">85.0 kg (187.4 pounds) / 90.1 kg</td></tr><tr><td style="padding:5px 0;border-bottom:1px solid #eee;color:#666">License / Recall Audit</td><td style="padding:5px 0;border-bottom:1px solid #eee;font-weight:600;text-align:right">EU / UK A2 Compliant (Native) Β· 0 official safety recalls recorded</td></tr></table><div style="margin-top:8px;font-size:12px;color:#666">Data source: <a href="https://motolibrary.com/bikes/yadea/z3/2021" style="color:#bf3b00;font-weight:600;text-decoration:none">2021 Yadea Z3 Specs, Review &amp; Recalls β€” MotoLibrary</a></div></div>
Running & Fuel Cost Estimate

Z3 Annual Fuel, Maintenance & Ownership Cost

β›½ Fuel
per year
πŸ”§ Maintenance
per year
πŸ›‘οΈ Insurance
per year
TOTAL

* Estimates only. Actual costs vary by country, riding habits, insurance provider and maintenance schedule.

Quick Buyer Answers

2021 Yadea Z3 Frequently Asked Questions

Does the 2021 Yadea Z3 have any official safety recalls?

No official safety recalls reported for this model year.

What is the seat height and weight of the 2021 Yadea Z3?

The 2021 Yadea Z3 has a seat height of 800 mm, a dry weight of 85.0 kg (187.4 pounds), and a wet/curb weight of 90.1 kg (estimated).

Is the 2021 Yadea Z3 EU A2 or LAMS license legal?

License classification: EU / UK A2 Compliant (Native). Directly compliant with the ≀35 kW (47 HP) and ≀0.20 kW/kg A2 license limit without restriction kits.

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