Husqvarna sm 570 用户手册
20
DATI TECNICI
MOTORE
Tipo..........................monocilindrico a 4 tempi
Raffreddamento ................................a liquido
Alesaggio mm ............................................ 98
Corsa mm ................................................76,4
Cilindrata cm
Tipo..........................monocilindrico a 4 tempi
Raffreddamento ................................a liquido
Alesaggio mm ............................................ 98
Corsa mm ................................................76,4
Cilindrata cm
3
...................................... 576,28
Rapporto di compressione.......................10:1
Avviamento .......................................a pedale
DISTRIBUZIONE
Tipo .................monoalbero a camme in testa
Avviamento .......................................a pedale
DISTRIBUZIONE
Tipo .................monoalbero a camme in testa
comandato da catena; 4 valvole
Diagramma distribuzione con gioco
valvole di 0,1 mm
(a motore freddo):
Aspirazione (TE-SMR 570)
apertura..........................50° prima del P.M.S.
chiusura ...............................77° dopo il P.M.I.
Aspirazione (TC 570)
apertura..........................30° prima del P.M.S.
chiusura ...............................85° dopo il P.M.I.
Scarico
apertura .........................89° prima del P.M.I.
chiusura ..............................40° dopo il P.M.S.
valvole di 0,1 mm
(a motore freddo):
Aspirazione (TE-SMR 570)
apertura..........................50° prima del P.M.S.
chiusura ...............................77° dopo il P.M.I.
Aspirazione (TC 570)
apertura..........................30° prima del P.M.S.
chiusura ...............................85° dopo il P.M.I.
Scarico
apertura .........................89° prima del P.M.I.
chiusura ..............................40° dopo il P.M.S.
TECHNICAL DATA
ENGINE
Type ...........................4-stroke single cylinder
Cooling..............................................by liquid
Bore ....................................................3.85 in.
Stroke .................................................3.01 in.
Capacity ..................................... 35.15 cu. in.
Compression ratio ...................................10:1
Avviamento ...................................kick starter
VALVE GEAR
Type ......................single overhead camshaft,
Type ...........................4-stroke single cylinder
Cooling..............................................by liquid
Bore ....................................................3.85 in.
Stroke .................................................3.01 in.
Capacity ..................................... 35.15 cu. in.
Compression ratio ...................................10:1
Avviamento ...................................kick starter
VALVE GEAR
Type ......................single overhead camshaft,
chain driven, 4 valves
Valve timing with valve play
with cold engine:
Inlet (TE, SMR 570)
opens .................................before T.D.C .50°
closes .................................... after B.D.C.77°
Inlet (TC 570)
opens .................................before T.D.C .30°
closes .................................... after B.D.C.85°
Exhaust
opens ................................before B.D.C. 89°
closes ....................................after T.D.C .40°
with cold engine:
Inlet (TE, SMR 570)
opens .................................before T.D.C .50°
closes .................................... after B.D.C.77°
Inlet (TC 570)
opens .................................before T.D.C .30°
closes .................................... after B.D.C.85°
Exhaust
opens ................................before B.D.C. 89°
closes ....................................after T.D.C .40°
DONNEES TECHNIQUES
MOTEUR
Type ..............................un cylindre à 4 temps
Refroidissement .............................par liquide
Alésage................................................mm 98
Course ..............................................mm 76,4
Cylindrée.......................................cm
Type ..............................un cylindre à 4 temps
Refroidissement .............................par liquide
Alésage................................................mm 98
Course ..............................................mm 76,4
Cylindrée.......................................cm
3
576,28
Rapport volumetrique ..............................10:1
Démarrage ........................................a pédale
DISTRIBUTION
Type .............................arbre à cames en tête
Démarrage ........................................a pédale
DISTRIBUTION
Type .............................arbre à cames en tête
commandé par chaîne; 4 soupapes
Diagramme de distribution avec jeu des
soupapes de 0,1 mm
à moteur froid:
Admission (TE-SMR 570)
ouverture .............................avant P.M.H. 50°
fermeture............................. après P.M.B. 77°
Admission (TC 570)
ouverture .............................avant P.M.H. 30°
fermeture............................. après P.M.B. 85°
Echappement
ouverture .............................avant P.M.B. 89°
fermeture .............................après P.M.H. 40°
soupapes de 0,1 mm
à moteur froid:
Admission (TE-SMR 570)
ouverture .............................avant P.M.H. 50°
fermeture............................. après P.M.B. 77°
Admission (TC 570)
ouverture .............................avant P.M.H. 30°
fermeture............................. après P.M.B. 85°
Echappement
ouverture .............................avant P.M.B. 89°
fermeture .............................après P.M.H. 40°
IMP. 1 / 2002 16-01-2002 8:07 Pagina 20