O.S. Engines

Radial Mount Screw Set: Sirius 7

Cover Plate: 46AXII

Cylinder Head: .35AX

Crankshaft: GT60

Silencer Gasket: F-5040, FS110A

Gasket Set: 55AX

Head Gasket: 25LA

Silencer Assembly Screws: #F-6010 FS-200S

Needle #7G #7D #7H

O-Ring Large: 120-300

O-Ring 1.2x54mm: GT55

Piston Ring: FT-300

Rocker Arm Support Assembly: 120 Surpass

Thrust Washer: BGX-3500

Bearing R-1560X2ZZ

Prop Shaft: OMA-38 Series

Pump Fixing Screw Assembly: 91SZ-H Hyper

Cam Gear: Sirius 7

Carburetor Rotor: 56 FS

Connecting Rod: 37SZ-H

Crankshaft: 20-25FP

Crankshaft: 55AX

Cylinder Liner: FS-70 Surpass

Cylinder Liner: 50SX-H