SAETTA 250

FICHE DHOMOLOGATION HOMOLOGATION FORM

ITALSISTEM s.r.l. Via del lavoro,1 47042 Villamarina di Cesenatico (FC) Italy

MOTEUR / ENGINE Constructeur Manufacturer ITALSISTEM Marque Make ITALSISTEM Modle Model SAETTA 250 Type moteur Engine type 4 STROKE Nombre de pages Number of pages 5

PHOTO DU MOTEUR PHOTO OF ENGINE

Signature et tampon de

Signature and stamp of the

ITALSISTEMs.r.l.-via del lavoro,1 47042 Villamarina di Cesenatico (FC) Italy 1

SAETTA 250

INFORMATIONS TECHNIQUES

TECHNICAL INFORMATION

A CARACTRISTIQUES A CHARACTERISTICS

TolrancesVolume du cylindre Volume of cylinder 250 CM3 Systme de refroidissement Cooling system WATER COOLED Nombre de systmes de carburation

Number of carburation systems 1

Ignition system PVL or IDM Inlet type TWIN WITH

BUTTERFLAY BY DEPRESSOR

Type of roller bearings(left/right) NU2205E Type de roulement Type of ball bearings 6205 2RS1

B ACCESSOIRES INCLUS B ACCESSORIES INCLUDED Carburateur DELLORTO PHBE 30 or Bing 27 Carburettor DELLORTO PHBE 30 or Bing 27 Gnrateur de recharge de batterie Recharge batterie generator Dmarreur lectrique Elettric starter Batterie Batterie Embrayage centrifuge horstman Centrifugal clutch horstman Pot d chappement avec flexibile Exhaust with flex

C MATRIAU C MATERIAL Maison central ALSI+NIKASIL Central house ALSI+NIKASIL Carter cot gauche/droite ALUMINIM Crankcase left/right side ALUMINIM Vilebrequin ACIER Crankshaft STEEL Piston ACIER Piston STEEL Segments priphrique ACIER+ CHROME Peripheral piston ring STEEL+CHROME Segments cot gauche/droite FONTE Left/right side piston ring IRON Maison segments priphrique ACIER Peripheral piston ring house STEEL Maison de roulement cot gauche/droite ACIER Left/right side bearing house STEEL Balancer cot gauche/droite ACIER Left/right side balancer STEEL

ITALSISTEMs.r.l.-via del lavoro,1 47042 Villamarina di Cesenatico (FC) Italy 2

SAETTA 250

PHOTO DU MAISON CENTRAL

PHOTO OF THE CENTRAL HOUSE

PHOTO EXTERIEUR

DU CARTER LATERAL

EXTERNAL CARTER

SIDE PHOTO

PHOTO INTERIEUR

DU CARTER LATERAL

INTERNAL CARTER

SIDE PHOTO

A B

A B

ITALSISTEMs.r.l.-via del lavoro,1 47042 Villamarina di Cesenatico (FC) Italy 3

SAETTA 250

PHOTO DU PISTON&SEGMENTS

PISTON&RINGS PHOTO

PHOTO DU VILEBREQUIN

PHOTO OF THE CRANKSHAFT

PHOTO DU

SILENCIEUX

PHOTO OF THE

SILENCER

DESSIN DU EMBRAYAGE

DRAWING OF THE CLUTCH

ITALSISTEMs.r.l.-via del lavoro,1 47042 Villamarina di Cesenatico (FC) Italy 4

SAETTA 250

INFORMATIONS TECHNIQUES DU SYSTEME

TECHNICAL INFORMATION OF SYSTEM

I) A.Fin du phase de chappement B.But du phase de compression C.Phase du expansion II) A.Phase du aspiration B.Phase du compression C.Max phase du expansion III) A.Phase du aspiration B.Max phase du compression :accension C.But du phase de chappement IV) A.Max phase du aspiration B.But du phase de expansion C.Phase du chappement

1-2-3.Piston coin with segments 4.Piston 5.Maison central 6.Engrenage du piston 7.Engrenage du vilebrequin 8.Greffe du engrenage 9.Bougie 10.Espace du systme de refroidissement 11.Porte du aspiration 12.Porte du chappement 13.Vilebrequin

I) A.End of exhaust timing B.Begin of compression timing C.Expansion timing II) A.Inlet timing B.Compression timing C.Max expansion timing III) A.Inlet timing B.Max compression timing:ignition C.Begin exhaust timing IV) A.Max inlet timing B.Begin expansion timing C.Exhaust timing

1-2-3.Piston vertex with piston ring. 4.Piston 5.Central house 6.Piston gear 7.Crank shaft gear (fix) 8.Gear coupling 9.Plug 10.Cooling system space 11.Inlet port 12.Exhaust port 13.Crank shaft

ITALSISTEMs.r.l.-via del lavoro,1 47042 Villamarina di Cesenatico (FC) Italy 5