O.S. Engines

Mixture Control Valve 18TM

O.S. Metering Needle Assembly 22D Speed B2103

Metering Needle Assembly 22C(B): Speed B2102

Carburetor 80T: Sirius 7

Cam Cover: 56 FS

Camshaft Bearing: F 120-300

Carburetor Body: 37SZ-H

Crankcase: GF30

Gasket Set: 46AX

Gasket Carb IP: #10, FR5

Cover Plate Gasket: 35AX

Gasket Carburetor: 120-240

Piston Pin Retainer: 40PS

Piston Pin: FS-120

Pushrod: FS-62V

Needle Assembly Screw: 65LA

Cover Plate: 15CV-A

Crankcase: 35AX

Cylinder Head: GF40

Cylinder Head: GGT15

Front Plate: Sirius 7

Cylinder Head Gasket, .2mm: 91HZ

Muffler Screws L (2): 120AX

O-Ring Small: 120Surpass