What category is the 2003 Jincheng ST 125 Y Cross?

The 2003 Jincheng ST 125 Y Cross has a Category of Cross / motocross.

What is the engine size of the 2003 Jincheng ST 125 Y Cross?

The 2003 Jincheng ST 125 Y Cross has a Capacity: of 125.00 ccm (7.63 cubic inches).

What type of engine does the 2003 Jincheng ST 125 Y Cross have?

The 2003 Jincheng ST 125 Y Cross has a Engine type of Single cylinder.

What is the engine power of the 2003 Jincheng ST 125 Y Cross?

The 2003 Jincheng ST 125 Y Cross has a Power of 11.50.

Is the 2003 Jincheng ST 125 Y Cross air cooled or liquid cooled?

The 2003 Jincheng ST 125 Y Cross has a Cooling system of Air.

How many gears does the 2003 Jincheng ST 125 Y Cross have?

The 2003 Jincheng ST 125 Y Cross has a Gearbox of 5-speed.

How much does the 2003 Jincheng ST 125 Y Cross weigh?

The 2003 Jincheng ST 125 Y Cross has a Dry weight of 75.0 kg (165.3 pounds).

What is the seat height of the 2003 Jincheng ST 125 Y Cross?

The 2003 Jincheng ST 125 Y Cross has a Seat height of 770 mm (30.3 inches) If adjustable, lowest setting..

Jincheng ST 125 Y Cross - 2003 Specifications and Reviews

Name: 2003 Jincheng ST 125 Y Cross
Brand: Jincheng

The 2003 Jincheng ST 125 Y Cross is an entry-level 125cc motocross bike designed for novice and younger riders seeking affordable off-road performance. Its lightweight 75kg frame and manageable 11.5hp air-cooled single-cylinder engine deliver accessible handling on dirt terrain. Known for budget-conscious cross training and recreational trail riding capabilities.

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2003

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General information
Category	Cross / motocross
Year	2003
Model	Jincheng ST 125 Y Cross
Engine and Transmission Specifications
Transmission typefinal drive	Chain
Gearbox	5-speed
Cooling system	Air
Power	11.50
Stroke	4
Engine type	Single cylinder
Capacity:	125.00 ccm (7.63 cubic inches)

Physical measures and capacities
Seat height	770 mm (30.3 inches) If adjustable, lowest setting.
Dry weight	75.0 kg (165.3 pounds)
Jincheng ST 125 Y Cross dimensions and frame
Rear brakes	Single disc
Front brakes	Single disc
Rear tyre dimensions	3.0-16
Front tyre dimensions	2.5-19
Speed and acceleration
Power/weight ratio	0.1533 HP/kg

Other specs
Maintenance	Find parts, fluids, filters, maintenance tools and service items on eBay

Performance Profile & Rider Fit

11.5 hp

Peak Power

Best For

Track20%

City35%

Cornering55%

Daily Riding30%

Touring15%

Passenger10%

Rider Profile

Best For	This lightweight, low-powered motocross-style bike suits beginners and younger or smaller riders learning off-road basics.
Purpose	It's built for light trail riding, dirt tracks, and casual off-road fun rather than speed or long-distance travel.
Rider Fit	Its low dry weight and modest seat height make it easy to handle, flick around, and pick up if dropped.
Character	It has a nimble, playful, entry-level dirt bike character with just enough power to be forgiving rather than intimidating.
Not Ideal For	It's not suited for highway riding, carrying a passenger, or anyone seeking strong acceleration or long-distance comfort.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2003 Jincheng ST 125 Y Cross Rider Ergonomics Assessment

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Inseam (optional)

Units

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Feet:

At 770mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2003 Jincheng ST 125 Y Cross, with a cramped knee angle of around 65 degrees and a slightly forward riding position.

Data quality: estimated (wheelbase estimated from this category's typical bike, not this model's own spec). Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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