O.S. Engines

Prop Shaft: OMA-50 Series

Cylinder Jacket: Sirius 7

Pilot Shaft: GT55

Piston Pin: GF30

Rocker Arm Assembly: FS-70 Ultimate

Complete Carburetor Assembly: (61T2) O.S. FS-64V

Main Shaft: 3805-1200

Carburetor Rotor: 37SZ-H

Carburetor Body: 21J2(B), 21XZ-B Speed

Drive Washer: 12CV

Carburetor Body: 22C(B), Speed B2102

O.S. Carburetor Body 22D (B) Speed B2103 Type S

Carb Reducer 5.8MM Natural TYII

WLA-2 Screw: 96-603, GT15HZ

Connecting Rod: GF30

Rear Cover: Sirius 7

Carburetor Gasket Set: WLA-2 (3)

Rotor Guide Washer: 40L, 55HZ Hyper

F-4051 Silencer: O.S. FS-64V

Connecting Rod: FS155A-P

Exhaust Pipe Assembly: 40-300

Crankshaft: 12XZ Speed

O.S. Crankshaft OS Speed R21GT

Carburetor Body: #20H