What category is the 2005 Rieju RS1 Evolution?

The 2005 Rieju RS1 Evolution has a Category of Sport.

What is the engine size of the 2005 Rieju RS1 Evolution?

The 2005 Rieju RS1 Evolution has a Capacity: of 50.00 ccm (3.05 cubic inches).

What type of engine does the 2005 Rieju RS1 Evolution have?

The 2005 Rieju RS1 Evolution has a Engine type of Single cylinder.

What is the engine power of the 2005 Rieju RS1 Evolution?

The 2005 Rieju RS1 Evolution has a Power of 9.00.

Is the 2005 Rieju RS1 Evolution air cooled or liquid cooled?

The 2005 Rieju RS1 Evolution has a Cooling system of Liquid.

How many gears does the 2005 Rieju RS1 Evolution have?

The 2005 Rieju RS1 Evolution has a Gearbox of 6-speed.

Rieju RS1 Evolution - 2005 Specifications and Reviews

Name: 2005 Rieju RS1 Evolution
Brand: Rieju
Rating: 4 (1 reviews)

The 2005 Rieju RS1 Evolution is a lightweight 50cc sport bike designed for learner and entry-level riders seeking an affordable introduction to motorcycle riding. Known for its nimble handling and reliable liquid-cooled engine, it combines practical commuting capability with sporty styling. The electric-start convenience and six-speed transmission make it accessible for younger or inexperienced riders.

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2005

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Engine and Transmission Specifications
Transmission typefinal drive	Chain
Gearbox	6-speed
Cooling system	Liquid
Starter	Electric
Fuel system	Carburettor. Dell´ortho
Bore x stroke	39.0 x 40.3 mm (1.5 x 1.6 inches)
Compression	12.0:1
Power	9.00
Stroke	2
Engine type	Single cylinder
Capacity:	50.00 ccm (3.05 cubic inches)
Physical measures and capacities
Overall width	630 mm (24.8 inches)
Overall length	1,855 mm (73.0 inches)
Rieju RS1 Evolution dimensions and frame
Rear brakes diameter	200 mm (7.9 inches)
Rear brakes	Single disc
Front brakes diameter	260 mm (10.2 inches)
Front brakes	Single disc
Rear tyre dimensions	120/80-16
Front tyre dimensions	90/90-16
Frame type	Double cradle steel tube.

Speed and acceleration
Fuel capacity	9.00 litres (2.38 gallons)


Category	Sport
Year	2005
Model	Rieju RS1 Evolution
Other specs
Maintenance	Find parts, fluids, filters, maintenance tools and service items on eBay

Performance Profile & Rider Fit

9 hp

Peak Power (est.)

Best For

Track45%

City70%

Cornering55%

Daily Riding40%

Touring15%

Passenger10%

Rider Profile

Best For	This is best suited to beginner riders, often younger riders on a learner-legal 50cc sportbike, rather than experienced motorcyclists.
Purpose	Designed as a small-displacement sport-styled moped for learners, short urban trips, and playful cornering practice rather than outright performance.
Rider Fit	Its tiny frame, low seat height, and light weight make it very accessible to smaller or less physically strong riders.
Character	A nimble, lightweight, sport-mimicking two-stroke that rewards revving and flickable handling over raw speed.
Not Ideal For	It is not suitable for highway travel, long-distance touring, carrying a passenger comfortably, or riders seeking real power and speed.

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