Description Of The Motorcycle - RIEJU MRX Owner's Manual

MOTORCYCLE DESCRIPTION
This motorcycle has a 49.7cc single cylinder; liquid cooled two stroke MINARELLI motor. With a piston
diameter of 40,3 mm and it has a 39 mm bore.
The motor has an electronic Ignition system, CDI and a high-tension coil. The Generator provides 95
Watts and 12 volts via a regulator to supply power for the bike electrics. Engine power is delivered to
final drive chain via a Multiple metal clutch with constant pressure springs, submerged in an oil bath.
The motor is fitted in a beam frame made from high tensile rectangular section steel tube with conical
type steering head bearings.
The bike is fitted with upside hydraulic forks with fork tubes 35 mm in diameter. The rear suspension
has a mono shock absorber anchored to a progressive tie rod system, (Progressive Racing System),
which creates very smooth damping.
In addition, the MRX PRO/SMX PRO model has a gas assisted Mono shock with a separate gas reser-
voir and manual adjustment to the mono shock pre-load and upside hydraulic forks tubes 38 mm in dia-
meter.
The front disc is 260 mm in diameter and made of stainless steel with a double piston calliper as oppo-
sed at MRX PRO/SMX PRO model, to the single piston calliper on the standard MRX model
The rear disc is 200 mm in diameter.
4