RIEJU MARATHON 250, Owner'S Manual

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MORTORBIKE DESCRIPTION
This mortorbike has a 249,6 cc single cylinder; liquid cooled four stroke motor. With a piston diameter
of 77 mm and it has a 53,6 mm bore.
The motor has an electronic Ignition system, CDI and a high-tension coil. The Generator provides 120
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 engine is anchored to a highly resistant perimeter type chassis, with tapered steering bearings.
The front suspension in the Marathon 250 consists of a hydraulic fork with bars which have a diameter
of 45 mm.
The rear suspension with variable transmission consists of a shock absorber anchored to a progressive
articulated rod system (Progressive Racing System - PRS) which provides great operational smoothness
with variable transmission also incorporate a gas shock absorber with spring preload adjustment, exten-
sion and compression.
The front disc brake is made of stainless steel and has a diameter of 260 mm and 220 mm with radial
calipers.
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manual usuari marathon 250 eng rev1.qxp 21/12/2009 9:41 Página 4