What category is the 2008 Jianshe Knight JS125 4X-F2?

The 2008 Jianshe Knight JS125 4X-F2 has a Category of Sport.

What is the engine size of the 2008 Jianshe Knight JS125 4X-F2?

The 2008 Jianshe Knight JS125 4X-F2 has a Capacity: of 123.00 ccm (7.51 cubic inches).

What type of engine does the 2008 Jianshe Knight JS125 4X-F2 have?

The 2008 Jianshe Knight JS125 4X-F2 has a Engine type of Single cylinder.

What is the engine power of the 2008 Jianshe Knight JS125 4X-F2?

The 2008 Jianshe Knight JS125 4X-F2 has a Power of 8.18.

What is the torque of the 2008 Jianshe Knight JS125 4X-F2?

The 2008 Jianshe Knight JS125 4X-F2 has a Torque of 8.00.

Is the 2008 Jianshe Knight JS125 4X-F2 air cooled or liquid cooled?

The 2008 Jianshe Knight JS125 4X-F2 has a Cooling system of Air.

How many gears does the 2008 Jianshe Knight JS125 4X-F2 have?

The 2008 Jianshe Knight JS125 4X-F2 has a Gearbox of 5-speed.

How much does the 2008 Jianshe Knight JS125 4X-F2 weigh?

The 2008 Jianshe Knight JS125 4X-F2 has a Dry weight of 115.0 kg (253.5 pounds).

What is the seat height of the 2008 Jianshe Knight JS125 4X-F2?

The 2008 Jianshe Knight JS125 4X-F2 has a Seat height of 775 mm (30.5 inches) If adjustable, lowest setting..

Jianshe Knight JS125 4X-F2 - 2008 Specifications and Reviews

Name: 2008 Jianshe Knight JS125 4X-F2
Brand: Jianshe

The 2008 Jianshe Knight JS125 4X-F2 is a lightweight sport motorcycle ideal for beginner and casual riders seeking affordable commuting and recreational riding. Its modest 123cc single-cylinder engine delivers reliable performance with dual electric and kick starting for convenience. Known for its fuel efficiency and manageable handling, this bike excels as an entry-level machine in developing markets.

⇄ Compare against another bike 📅 All Years

2008

❮❯

Jianshe Knight JS125 4X-F2 2008 53993 Thumb

Add/Upload pictures for this motorcycle

General information
Category	Sport
Year	2008
Model	Jianshe Knight JS125 4X-F2
Engine and Transmission Specifications
Clutch	Wet type,muti plate,hand operation
Gearbox	5-speed
Cooling system	Air
Starter	Electric & kick
Ignition	CDI
Bore x stroke	54.0 x 54.0 mm (2.1 x 2.1 inches)
Compression	10.0:1
Torque	8.00
Power	8.18
Stroke	4
Engine type	Single cylinder
Capacity:	123.00 ccm (7.51 cubic inches)

Physical measures and capacities
Wheelbase	1,300 mm (51.2 inches)
Ground clearance	160 mm (6.3 inches)
Overall width	740 mm (29.1 inches)
Overall length	2,060 mm (81.1 inches)
Overall height	1,085 mm (42.7 inches)
Seat height	775 mm (30.5 inches) If adjustable, lowest setting.
Dry weight	115.0 kg (253.5 pounds)

Jianshe Knight JS125 4X-F2 dimensions and frame
Rear brakes	Expanding brake (drum brake)
Front brakes	Single disc
Rear tyre dimensions	3.00-18
Front tyre dimensions	2.75-18
Speed and acceleration
Power/weight ratio	0.0711 HP/kg
Other specs
Maintenance	Find parts, fluids, filters, maintenance tools and service items on eBay
Fuel capacity	14.50 litres (3.83 gallons)

Performance Profile & Rider Fit

8.2 hp

Peak Power

Best For

Track15%

City65%

Cornering40%

Daily Riding55%

Touring25%

Passenger25%

Rider Profile

Best For	This bike suits beginners or riders looking for a simple, low-stress introduction to motorcycling.
Purpose	It is built as a small-capacity commuter-sport bike for light urban riding rather than genuine performance use.
Rider Fit	Its light weight and low seat height make it easy to manage for riders of smaller stature or limited experience.
Character	It has a modest, budget-friendly commuter character with sporty styling but very limited real-world performance.
Not Ideal For	This is not the bike for riders seeking real speed, long-distance touring comfort, or off-road capability.

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

Rider Fit Visualizer

2008 Jianshe Knight JS125 4X-F2 Rider Ergonomics Assessment

Your height

Inseam (optional)

Units

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 775mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2008 Jianshe Knight JS125 4X-F2, with a cramped knee angle of around 65 degrees and a forward-leaning riding position.

Data quality: measured. 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.

Find bikes that fit your height →