O.S. Engines

Fuel Inlet: #61B, 91HZ

Needle Valve Assembly 61H: GT15

Mixture Control Valve: 12F2

Piston: GGT10

Reduction Gear Bearing: FR5

Manifold Seal: FT-120-300

M11 In-Cowl Exhaust Header Pipe Inverted 80D: FS72A

Muffler Screws L (2): 120AX

Valve Throttle WLA-2: GT55

Air Bleed Screw: FS-20, FS-40

Carburetor Retainer: 21EX-B, R

Rocker Arm Shaft: FS-95V

Drive Washer: FS155A-P

Cylinder Piston Rod Set: O.S. Speed B2104

Front Bearing: 21XZ-B

Crankcase: 55AX

Carburetor Rotor: 61E New 91HZ

Dust Cap Set: 12-30 Class

Carburetor 21J3-1: 21XR-B Version II

Cover Plate: FS81 Alpha

Cylinder Head: FS-120 Surpass III

Cylinder Head: 200 Surpass

Carburetor Rotor: 56 FS

Cam Cover: FS155A-P