O.S. Engines

Carburetor 12F2-B: 12XZ Speed Spec 3

Carburetor: GT33

M16 In-Cowl Exhaust Header Pipe Side 60D: FS20S

Muffler #892: 25SF

Nozzle Assembly: FL-70

Rocker Arm Support Assembly FS91-240

O.S. Built-Up Parts Set Cyl Piston OS Speed R21GT

Motor Mount: OMA-28 Series

Venturi #61N: FS72A

Metering Needle Assembly 21M2(B) Speed: R2101

Cylinder & Piston Assembly: 28XZ

Head Gasket: 28XZ

Screw Set (8): 25LA

Carburetor Body: 12F2-B, Speed T1202

Carburetor Complete #40NA: 56FS

Throttle Lever Nut #2CK #2H

O.S. Cylindr & Piston Assy OS Speed R21GT

Connecting Rod: 21XR-B Version II

Outerhead: 21XR-B Version II

Piston Pin: 75AX

Intake Manifold: FT-120 160

Dust Cap Set, 10mm (3)

Crankshaft Ball Bearing, Rear: Speed 21 V-Spec

Piston: GT15