Scooter · 2021

C-line

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MotoLibrary Score

38 /100 Commuter

Power/Weight

0.14 hp/kg

Top Speed

45 km/h

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Performance & Handling Profile Versatile Everyday Motorcycle

C-line Performance & Handling Ratings

Power

24/100

8.1 HP

Torque

35/100

Balanced

Agility

98/100

60 kg

Ergonomics

68/100

Standard

Range

58/100

Standard

Tires, Oil & Maintenance Specs 2021 Factory Reference

C-line Tire Size, Oil & Service Capacities

🛞 Front Tire Size

3-10

Front wheel spec

🛞 Rear Tire Size

3-10

Rear wheel spec

📏 Seat Height & Mass

60.0 kg (132.3 pounds)

Wet weight: 60.0 kg (132.3 pounds)

🔧 Printable Workshop Fluid & PSI Card →

Engine

Engine Type Electric

Power 8.1 HP (5.9 kW)

Fuel System Electronic motor controller (Direct electric drive)

Ignition Electronic controller

Cooling Air

Transmission

Gearbox Automatic (Direct drive)

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

Front Suspension Telescopic fork

Rear Suspension Dual spring aluminium shocks

Wheelbase 1200 mm (47.2 inches)

Wheels & Brakes

Front Tyre 3-10

Rear Tyre 3-10

Front Brakes Single disc

Rear Brakes Expanding brake (drum brake)

Dimensions & Weight

Weight incl. 60.0 kg (132.3 pounds)

Overall Height 1050 mm (41.3 inches)

Overall Length 1680 mm (66.1 inches)

Overall Width 680 mm (26.8 inches)

Service & Fluids

Brake Fluid DOT 4

Other

Starter Electric

Color Options Blue

Instruments LED screen

Notes

48V28AH Litihium battery. Made in China.

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

2021 Yadea C-line Pros, Cons, Recalls & Verdict

✓ 5 Positive Owner Reviews (Pros)

Ultra-compact, minimalist electric scooter profile designed specifically for navigating congested European city centers
Removable 48V/60V lithium-ion battery allows flexible charging from any standard household electrical wall outlet
Direct-drive electric rear hub motor provides silent, vibration-free, and instant off-the-line throttle response
Front hydraulic disc brake delivers responsive, dependable stopping power on wet or greasy urban asphalt
Digital LCD dashboard clearly displays speed, remaining battery charge, trip mileage, and fault diagnostics

! 5 Negative Owner Reviews & Known Issues (Cons)

Top speed capped at 45 km/h limits riding exclusively to urban surface streets and designated 30 km/h zones
Under-seat storage compartment is virtually filled by the battery, requiring a rear rack for carrying a helmet
Small 10-inch wheels transmit jolts from road ruts, tram lines, and cobblestones directly to the handlebars
Suspension damping is rudimentary, producing a bouncy sensation over undulating pavement when unladen
Modest real-world battery range of 40-50 km requires regular charging discipline after daily urban commutes

★ Editor's Technical Verdict (2021)

The 2021 Yadea C-line is a clean, hyper-functional electric runabout engineered to provide hassle-free last-mile urban mobility. Featuring a removable lithium battery pack, an intuitive digital dash, and a whisper-quiet hub motor, it takes the pain out of congested city commutes and parking shortages. Although its modest wheel size and 45 km/h ceiling limit its duties to short metropolitan journeys, it offers commuters an ultra-affordable, environmentally conscious alternative to fossil-fueled transport.

🛡️ Official Safety Recalls (2021) 0 Official Recalls

No official safety recalls reported for this model year.

🛡️ Open Full Recall & Chronic Fault Lookup → 📋 Generate Printable Pre-Purchase Checklist for 2021 C-line →

Technical Overview

2021 Yadea C-line Technical Analysis, Chassis Review & Ownership Overview

Positioned in Yadea's scooter motorcycle lineup, the 2021 Yadea C-line 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 (direct drive) 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 C-line measures 60 kg (132 lbs) wet (curb), translating to a power-to-weight ratio of 0.14 HP/kg (7.41 kg per horsepower). Rider ergonomics and dimensional geometry center around a 1,200 mm (47.2 in) wheelbase engineered for quick, flickable turn-in geometry.

Chassis suspension hardware on the 2021 Yadea C-line is configured for predictable road feedback with front suspension handled by Telescopic fork and rear damping managed via Dual spring aluminium shocks. Braking performance is delivered by single disc up front paired with expanding brake (drum brake) at the rear. Factory rolling stock mounts a 3-10 front tire and a 3-10 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 C-line 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

0.14 HP/kg (7.41 kg/HP)

Tire Combination

3-10 / 3-10

About These 2021 Yadea C-line Specifications & Data Sources: Technical data for the 2021 Yadea C-line 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.

✓ Verified against OEM service manuals & type-approval records

Editorial Methodology Report a Spec Correction →

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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.

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.

🏙️

Best For

City & Commuting

⚖️

Handling

Very lightweight — easy to handle

Find similar bikes for your profile →

Seat Height & Ergonomics Seat: 800 mm (31.5 in)

C-line Seat Height & Rider Height Fit

Rider Height 175 cm (5'9")

Leg Inseam 79 cm (31.1")

Footwear Sole:

🟢 Balls of Both Feet (Secure)

Est. Knee Angle: ~92°

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

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License & Power Limit Check EU / UK A2 Compliant (Native)

C-line 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

0.098 kW/kg

LAMS Ratio

98 kW/t

🇪🇺 EU/UK A1 (≤11kW) ✗ No

🇪🇺 EU/UK A2 (≤35kW) ✓ Native

🇦🇺 AU/NZ LAMS (≤150kW/t) ✗ Exceeds

🌍 Unrestricted Class A ✓ 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.

🪪 Open Full A2 / LAMS Restrictor & Eligibility Checker →

Engine Design & Chassis Dimensions OEM Specs

C-line Engine Stroke, RPM & Steering Geometry

Mean Piston Speed (@ 8,500 RPM)

Standard Street Velocity

Standard Factory Thermal Load

Bore × Stroke Architecture

OEM Spec

Balanced Street Engine Architecture

Steering Rake & Trail

Standard Rake

Neutral Balanced Cornering & Highway Composure

Wheelbase & Stability

1,200 mm (47.2 in)

Compact agile chassis footprint

Engine Note: Mean piston speed (v_m = 2 × Stroke × 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) · Class Ref

C-line Sprocket Ratio, RPM & Top Speed

Front Sprocket 16T (0)

Rear Sprocket 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 Size & Speedo Error Calc → 🏁 Loaded Rider HP/kg & Drag Calc →

Tire Pressure & Suspension Travel Travel: 125mm F / 130mm R

C-line Tire Pressure (PSI / Bar) & Suspension Sag

1. Riding Setup Mode:

2. Payload / Passenger Load:

Target Rider Sag (F / R)

38 mm Front · 39 mm Rear

Free (Static) Sag target: 10–15 mm

Cold Tire Pressure (F / R)

32 / 36 PSI

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2021 Yadea C-line Summary Table

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

### 2021 Yadea C-line — Key Specs & Telemetry
| Parameter | Specification |
| :--- | :--- |
| **Category** | Scooter |
| **Displacement** | N/A |
| **Power Output** | 8.1 HP (5.9 kW) (0.098 kW/kg) |
| **Torque** | N/A |
| **Seat Height** | 800 mm |
| **Weight (Dry / Wet)** | N/A / 60.0 kg (132.3 pounds) |
| **Mean Piston Speed** | Standard |
| **EU A2 License Status** | EU / UK A2 Compliant (Native) |
| **Source & Full Telemetry** | https://motolibrary.com/bikes/yadea/c-line/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 C-line — 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 · 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">N/A / 60.0 kg (132.3 pounds)</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) · 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/c-line/2021" style="color:#bf3b00;font-weight:600;text-decoration:none">2021 Yadea C-line Specs, Review &amp; Recalls — MotoLibrary</a></div></div>

Running & Fuel Cost Estimate

C-line Annual Fuel, Maintenance & Ownership Cost

Annual km

Fuel Price ($/L)

Fuel Consumption (L/100km) — estimated

⛽ Fuel

per year

🔧 Maintenance

per year

🛡️ Insurance

per year

TOTAL

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

Quick Buyer Answers

2021 Yadea C-line Frequently Asked Questions

Does the 2021 Yadea C-line 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 C-line?

The 2021 Yadea C-line has a seat height of 800 mm, a dry weight of unspecified, and a wet/curb weight of 60.0 kg (132.3 pounds).

Is the 2021 Yadea C-line 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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