Jonway Weiba YY400-5 - Specifications & Review

Weiba YY400-5

Article Complete Info

Articleid188957
CategoryCustom-cruiser
MakeJonway
ModelWeiba YY400-5
Year2023

Chassis, Suspension, Brakes & Wheels

FrametypeSteel
FrontbrakesDouble disc. ABS
FrontsuspensionTelescopic fork
Fronttyre120/80-16
RearbrakesSingle disc. ABS
RearsuspensionAdjustable Dual Shocks
Reartyre150/80-15
WheelsCast Alloy

Engine & Transmission

Borexstroke62.0 x 66.0 mm (2.4 x 2.6 inches)
CoolingsystemLiquid
Displacement400.0 ccm (24.41 cubic inches)
EnginetypeV2, four-stroke
ExhaustsystemStainless steel
FuelsystemInjection. Delphi
Gearbox6-speed
Power31.5 HP (23.0 kW)) @ 8500 RPM
Topspeed140.0 km/h (87.0 mph)
Torque28.0 Nm (2.9 kgf-m or 20.7 ft.lbs) @ 7000 RPM
TransmissiontypefinaldriveBelt (final drive)

Other Specifications

CarryingcapacitySaddle bags
ColoroptionsSilver, white, green, grey, yellow, red
CommentsMade in China.
Electrical12V, 12Ah battery.
InstrumentsAnalogue/digital
LightLED lighting
StarterElectric

Physical Measures & Capacities

Fuelcapacity18.00 litres (4.76 US gallons)
Groundclearance140 mm (5.5 inches)
Overallheight1120 mm (44.1 inches)
Overalllength2080 mm (81.9 inches)
Overallwidth860 mm (33.9 inches)
Seatheight710 mm (28.0 inches) If adjustable, lowest setting.
Weightincloilgasetc165.0 kg (363.8 pounds)

About Jonway

Country of Origin: China
Founder: Zhejiang Jonway Group (leadership not widely publicized)
Best Known For: High-volume 50–300 cc scooters and light motorcycles exported under multiple badges

Company History

Jonway grew during China’s 2000s scooter boom, building EU- and U.S.-compliant step-throughs and 125–300 cc commuters at scale. The brand’s edge was modular manufacturing: proven GY6-style singles, CVTs, and shared chassis stamped in volume, then trimmed to meet regional regulations and tastes. In Europe and North America, Jonway often appeared as an OEM behind distributor badges, which meant the real ownership experience depended on the local importer’s parts shelves and prep standards. Over time, Jonway followed the industry’s quality climb—better loom sealing, EFI on regulated models, stronger brake packages—narrowing the day-to-day gap with pricier rivals for urban use. The company also dabbled in EV scooters as city policies tightened. Historically, Jonway epitomizes the supply-chain model that democratized two-wheel mobility: capable mechanicals made affordable by scale, localized by distributors who handled homologation and support. For countless students, delivery riders, and first-time commuters, a Jonway-built scooter was the first “new” vehicle—quietly expanding independence, one twist-and-go ride at a time.

Other Years

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