Naked Motorcycles

2003Jincheng Monkey 50

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The 2003 Jincheng Monkey 50 is a lightweight naked bike ideal for beginner riders and urban commuting. Its compact 49cc air-cooled engine delivers modest performance suited to city streets, while the low 650mm seat height and 60kg weight ensure accessibility for smaller riders. Known for practicality and affordability, this simple commuter excels in congested traffic environments.

Capacity: 49.0 ccm
Engine: Single
Gearbox: 4-speed
Dry weight: 60.0 kg
Seat height: 650 mm
Power: 5.4 HP (4.0 kW)

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How it rides

Editorial estimate from the spec sheet - not lab tested

Off-road & trail15%

Cornering20%

City riding65%

Daily riding30%

Touring5%

Two-up5%

Track5%

Best for: Built as a mini monkey-bike style naked, its purpose is short, low-speed joyrides, backyard fun, and casual urban puttering rather than any performance or distance riding.
Built for: It has a quirky, charming, go-kart-like personality with tight, flickable handling at very low speeds, prioritizing fun and novelty over any real capability.
Not ideal for: This bike is not for highway commuting, touring, carrying a passenger, or any rider seeking genuine speed or off-road capability.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Will it fit you?

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Your height

Inseam (optional)

Units

At 650mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2003 Jincheng Monkey 50, with a moderate knee angle of around 100 degrees and a forward-leaning riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at 750 mm or under — Short Kings →

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