What category is the 2004 Beta Rev 50?

The 2004 Beta Rev 50 has a Category of Trial.

What is the engine size of the 2004 Beta Rev 50?

The 2004 Beta Rev 50 has a Capacity: of 49.88 ccm (3.04 cubic inches).

What type of engine does the 2004 Beta Rev 50 have?

The 2004 Beta Rev 50 has a Engine type of Single cylinder, two-stroke.

Is the 2004 Beta Rev 50 air cooled or liquid cooled?

The 2004 Beta Rev 50 has a Cooling system of Liquid.

How many gears does the 2004 Beta Rev 50 have?

The 2004 Beta Rev 50 has a Gearbox of 4-speed.

Beta Rev 50 - 2004 Specifications and Reviews

Name: 2004 Beta Rev 50
Brand: Beta

The 2004 Beta Rev 50 is a lightweight trial motorcycle designed for beginner and youth riders learning fundamental trials skills. Its 50cc two-stroke engine delivers responsive power ideal for navigating obstacles and technical terrain, while the compact frame and manageable suspension geometry provide confidence-building control. This model is best known for offering accessible entry-level trials performance with reliable simplicity.

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Engine and Transmission Specifications
Transmission type,final drive	Chain
Gearbox	4-speed
Cooling system	Liquid
Fuel system	Carburettor
Bore x stroke	40.0 x 39.7 mm (1.6 x 1.6 inches)
Compression	15.2:1
Engine type	Single cylinder, two-stroke
Capacity:	49.88 ccm (3.04 cubic inches)

Category	Trial
Year	2004
Model	Beta Rev 50
Brakes, suspension, Frame and wheels
Rear brakes	Single disc
Front brakes	Single disc
Rear suspension travel	146 mm (5.7 inches)
Rear suspension	Progressive hydraulic mono shock absorber
Front suspension travel	160 mm (6.3 inches)
Front suspension	Tube, 33 mm

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

Performance Profile & Rider Fit

Best For

Track5%

City10%

Cornering60%

Daily Riding5%

Touring5%

Passenger0%

Rider Profile

Best For	This is a small-displacement youth trials machine designed for beginners and young riders learning technical balance and control rather than speed.
Purpose	Built purely for low-speed technical trials riding over obstacles, rocks, and tight terrain, not for road use or general off-road trail riding.
Rider Fit	Its extremely light dry weight and low seat height make it very manageable for smaller, younger, or lighter riders still developing skill and confidence.
Character	The bike rewards patience, balance, and precise throttle and clutch control over outright power, with a gentle engine tuned to build rider confidence.
Not Ideal For	This is not suitable for anyone wanting highway travel, passenger carrying, long-distance touring, or a machine with meaningful top-end speed.

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