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Enduro - Offroad · 2004

Desert YR 50

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2004 Factory Bike Desert YR 50 Technical Analysis & Specification Breakdown

Engineered by Factory Bike for the enduro - offroad motorcycle segment, the 2004 Factory Bike Desert YR 50 relies on a 49.7 cc (3 cu in) liquid-cooled single cylinder, two-stroke powerplant. Internal engine geometry specifies a bore and stroke of 40.3 x 39.0 mm (1.6 x 1.5 inches) with a 12.0:1 compression ratio.

On the scales, the Desert YR 50 measures 81.5 kg (180 lbs) wet (curb). Rider ergonomics and chassis geometry center around a 1,495 mm (58.9 in) wheelbase engineered for balanced agility and highway composure. The 7.5-liter (2 US gal) fuel tank supports practical everyday commuting and weekend road stints.

Within MotoLibrary's Factory Bike archive, this model family spans 2 indexed model years from 2004 to 2006, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.

Engine
Displacement 49.7 ccm (3.03 cubic inches)
Engine Type Single cylinder, two-stroke
Engine Details Single cylinder, two-stroke
Compression 12.0:1
Bore x Stroke 40.3 x 39.0 mm (1.6 x 1.5 inches)
Fuel System Carburettor
Cooling Liquid
Transmission
Gearbox 6-speed
Final Drive Chain (final drive)
Chassis
Frame Type Hardened steel CrMo.
Front Suspension PAIOLI Fork 36 mm
Rear Suspension Shock-Absorber PAIOLI
Wheelbase 1495 mm (58.9 inches)
Wheels & Brakes
Front Tyre 90/90-21
Rear Tyre 110/80-18
Front Brakes Single disc
Front Brake Ø 240 mm (9.4 inches)
Rear Brakes Single disc
Rear Brake Ø 220 mm (8.7 inches)
Dimensions & Weight
Weight incl. 81.5 kg (179.7 pounds)
Overall Height 1220 mm (48.0 inches)
Overall Length 2070 mm (81.5 inches)
Overall Width 810 mm (31.9 inches)
Fuel Capacity 7.50 litres (1.98 US gallons)
Other
Color Options Red, Blue
More from Factory Bike
Buying Checklist

Before You Compare This Bike

Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.

Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
Rider Profile

Who Is This Bike For?

🌲
Best For
Off-Road & Adventure
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