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DATI TECNICI
MOTORE
Tipo ..........................monocilindrico a 2 tempi
Raffreddamento.................................a liquido
Alesaggio (WR 250) .........................mm 66,4
Alesaggio (WR 300) ............................mm 72
Corsa ...................................................mm 72
Cilindrata (WR 250) .......................cm3 249,3
Cilindrata (WR 300) .......................cm3 293,1
Rapporto di compressione WR 250
(a luci chiuse) .........................................8,4:1
Rapporto di compressione WR 300
(a luci chiuse) .........................................6,9:1
Avviamento ..................................... a pedale
DISTRIBUZIONE
Tipo............valvola lamellare in aspirazione e
valvola H.T.S. a comando meccanico
sullo scarico
TECHNICAL DATA
ENGINE
Type...........................2-stroke single cylinder
Cooling..............................................by liquid
Bore (WR 250)....................................2.61 in.
Bore (WR 300)....................................2.83 in.
Stroke ................................................ 2.83 in.
Capacity (WR 250).......................15.21 cu.in.
Capacity (WR 300).......................17.87 cu.in.
Compression ratio WR 250
(with closed ports) ..................................8,4:1
Compression ratio WR 300
(with closed ports) ..................................6,9:1
Starting ........................................kick starter
VALVE GEAR
Type ........................lamellar valve on suction
H.T.S. valve with mechanical control
on the exhaust
DONNEES TECHNIQUES
MOTEUR
Type..............................un cylindre à 2 temps
Refroidissement .............................par liquide
Alésage (WR 250) ............................mm 66,4
Alésage (WR 300) ...............................mm 72
Course ................................................ mm 72
Cylindrée (WR 250) .......................cm3 249,3
Cylindrée (WR 300) .......................cm3 293,1
Rapport volumetrique WR 250
(avec orifices fermés) .............................8,4:1
Rapport volumetrique WR 300
(avec orifices fermés) .............................6,9:1
Démarrage ........................................a pédale
DISTRIBUTION
Type ............soupape lamellaire en aspiration
soupape H.T.S. à commande mécanique
sur l'échappement
IMP. 1-250-300-09 16-06-2008 10:56 Pagina 24
Содержание 2009 WR 250
Страница 181: ...181 USA CDN B 3 4 5 1 C F D E 2 6 A G IMP 10 250 300 2009 16 06 2008 11 47 Pagina 181 ...
Страница 198: ...198 NOTES FOR USA CDN MODEL IMP 11 250 300 2009 16 06 2008 12 00 Pagina 198 ...
Страница 236: ...MEMORANDUM 236 IMP 13 250 300 2009 13 06 2008 11 26 Pagina 236 ...
Страница 237: ...237 MEMORANDUM IMP 13 250 300 2009 13 06 2008 11 26 Pagina 237 ...
Страница 238: ...MEMORANDUM 238 IMP 13 250 300 2009 13 06 2008 11 26 Pagina 238 ...
Страница 239: ...239 MEMORANDUM IMP 13 250 300 2009 13 06 2008 11 26 Pagina 239 ...
Страница 240: ...240 MEMORANDUM IMP 13 250 300 2009 13 06 2008 11 26 Pagina 240 ...
Страница 241: ...241 MEMORANDUM IMP 13 250 300 2009 13 06 2008 11 26 Pagina 241 ...
Страница 242: ...242 MEMORANDUM IMP 13 250 300 2009 13 06 2008 11 26 Pagina 242 ...