Rieju MRX50: history, specs, pictures

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Rieju MRX50
Manufacturer
Also called MRX, MRX50 Pro, MRX 50 Pro, MRX Pro50, MRX Pro 50, MRX 50
Production 2003 - 2008
Engine
single cylinder, two-stroke
Bore / Stroke 40.3mm x 39.0mm
Fuel System carburetor. dell´orto phbn 16
Transmission Gear box: 6-speed
Final Drive: chain
Suspension Front: paioli fork of ø36mm.
Rear: mono-shock shock absorber prs system
Brakes Front: double disc
Rear: single disc
Front Tire 80/90-21
Rear Tire 100/80-18
Wheelbase 52.44 inches (1332 mm)
Length 80.71 inches (2050 mm)
Width 31.1 inches (790 mm)
Height 46.06 inches (1170 mm)
Seat Height 36.22 inches (920 mm)
Weight 202.83 pounds (92.0 Kg) (dry),
Fuel Capacity 2.22 Gallon (8.40 Liters)
Manuals Service Manual


The Rieju MRX50 was a single cylinder, two-stroke standard produced by Rieju between 2003 and 2008.

Engine[edit | edit source]

The engine was a liquid cooled single cylinder, two-stroke. A 40.3mm bore x 39.0mm stroke result in a displacement of just 50.0 cubic centimeters. Fuel was supplied via a overhead cams (ohc).

Drive[edit | edit source]

The bike has a 6-speed transmission.

Chassis[edit | edit source]

It came with a 80/90-21 front tire and a 100/80-18 rear tire. Stopping was achieved via double disc in the front and a single disc in the rear. The front suspension was a paioli fork of ø36mm. while the rear was equipped with a mono-shock shock absorber prs system. The MRX50 was fitted with a 2.22 Gallon (8.40 Liters) fuel tank. The bike weighed just 202.83 pounds (92.0 Kg). The wheelbase was 52.44 inches (1332 mm) long.