Inhaltsverzeichnis
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DATI TECNICI
MOTORE
Tipo..........................monocilindrico a 2 tempi
Raffreddamento ................................a liquido
Alesaggio
(WR-CR 250) ....................................mm 66,4
(WR-360) .............................................mm 78
Corsa
(WR-CR 250) .......................................mm 72
(WR 360) .............................................mm 73
Cilindrata
(WR-CR 250)..................................cm
(WR 360) ........................................cm
Rapporto di compressione (a luci chiuse)
(WR-CR 250) ..........................................8,4:1
(WR 360) ................................................7,3:1
Avviamento ..................................... a pedale
DISTRIBUZIONE
Tipo ............valvola lamellare in aspirazione e
valvola H.T.S. a comando meccanico
20
TECHNICAL DATA
ENGINE
Type ...........................2-stroke single cylinder
Cooling..............................................by liquid
Bore
(WR-CR 250) ..................................... 2.61 in.
(WR-360) ............................................3.07 in.
Stroke
(WR-CR 250) ..................................... 2.83 in.
(WR 360) ............................................2.87 in.
Capacity
3
249,3
(WR-CR 250) .............................. 15.21 cu.in.
3
348,8
(WR 360)......................................21.28 cu.in.
Compression ratio (with closed ports)
(WR-CR 250) .........................................8,4:1
(WR 360)................................................7,3:1
Starting ........................................kick starter
VALVE GEAR
Type.........................lamellar valve on suction
H.T.S. valve with mechanical control
sullo scarico
DONNEES TECHNIQUES
MOTEUR
Type ..............................un cylindre à 2 temps
Refroidissement .............................par liquide
Alésage
(WR-CR 250) .................................. mm 66,4
(WR-360) ....................................................78
Course
(WR-CR 250) ...................................... mm 72
(WR 360) .............................................mm 73
Cylindrée
(WR-CR 250)................................. cm
(WR 360) ........................................cm
Rapport volumetrique (avec orifices fermés)
(WR-CR 250) ..........................................8,4:1
(WR 360) ................................................7,3:1
Démarrage ........................................a pédale
DISTRIBUTION
Type ............soupape lamellaire en aspiration
soupape H.T.S. à commande mécanique
on the exhaust
3
249,3
3
348,8
sur l'échappement
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Inhaltsverzeichnis
