What category is the 2007 Derbi GP1 Open 50?

The 2007 Derbi GP1 Open 50 has a Category of Scooter.

What is the engine size of the 2007 Derbi GP1 Open 50?

The 2007 Derbi GP1 Open 50 has a Capacity: of 49.38 ccm (3.01 cubic inches).

What type of engine does the 2007 Derbi GP1 Open 50 have?

The 2007 Derbi GP1 Open 50 has a Engine type of Single cylinder.

Is the 2007 Derbi GP1 Open 50 air cooled or liquid cooled?

The 2007 Derbi GP1 Open 50 has a Cooling system of Liquid.

What is the seat height of the 2007 Derbi GP1 Open 50?

The 2007 Derbi GP1 Open 50 has a Seat height of 785 mm (30.9 inches) If adjustable, lowest setting..

Derbi GP1 Open 50 - 2007 Specifications and Reviews

Name: 2007 Derbi GP1 Open 50
Brand: Derbi

The 2007 Derbi GP1 Open 50 is an entry-level automatic scooter designed for new and casual riders seeking affordable urban commuting. Its liquid-cooled single-cylinder engine and low 785mm seat height provide accessible handling and comfort. Known for reliability and practicality, it's best suited for daily city riding and learner riders.

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2007

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Engine and Transmission Specifications
Clutch	Automatic
Cooling system	Liquid
Starter	Electric
Fuel system	Carburettor. Del´Orto 17.5 mm
Bore x stroke	40.0 x 39.3 mm (1.6 x 1.5 inches)
Compression	10.5:1
Stroke	2
Engine type	Single cylinder
Capacity:	49.38 ccm (3.01 cubic inches)

Physical measures and capacities
Overall width	650 mm (25.6 inches)
Overall length	1,850 mm (72.8 inches)
Seat height	785 mm (30.9 inches) If adjustable, lowest setting.
Derbi GP1 Open 50 dimensions and frame
Rear brakes diameter	175 mm (6.9 inches)
Rear brakes	Expanding brake (drum brake)
Front brakes diameter	190 mm (7.5 inches)
Front brakes	Single disc
Rear tyre dimensions	130/60-13
Front tyre dimensions	120/70-14
Rear suspension travel	70 mm (2.8 inches)
Rear suspension	Monoshock
Front suspension travel	80 mm (3.1 inches)
Front suspension	Upside down hydraulic fork

Speed and acceleration
Color options	Black, grey, olive
Fuel capacity	11.00 litres (2.91 gallons)

Category	Scooter
Year	2007
Model	Derbi GP1 Open 50
Other specs
Maintenance	Find parts, fluids, filters, maintenance tools and service items on eBay

Performance Profile & Rider Fit

Best For

Track10%

City88%

Cornering45%

Daily Riding75%

Touring20%

Passenger35%

Rider Profile

Best For	Suitable for beginners and learner riders, including those on a moped or 50cc license.
Purpose	Designed primarily for short urban commutes and darting through city traffic.
Rider Fit	Lightweight and easy to manage, with a seat height and build that suits most rider sizes.
Character	A nimble, sporty-styled 50cc scooter that prioritizes agility and city practicality over outright performance.
Not Ideal For	Not suitable for highway riding, long-distance touring, or riders wanting real straight-line speed.

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

Rider Fit Visualizer

2007 Derbi GP1 Open 50 Rider Ergonomics Assessment

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Feet:

At 785mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2007 Derbi GP1 Open 50, with a moderate knee angle of around 100 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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