OS Engines

Intake Manifold: FS-120II

Needle Valve Assembly: 40G

Crankshaft: 21XZ-B Speed

M11 In-Cowl Exhaust Header Pipe Side 60D: FS72A

Gasket Set: FS-91-P

Exhaust Pipe Nut: FS-120 III

Muffler Body: 120Surpass

Piston Ring: 160FX

Motor Mount: OMA-28 Series

Connecting Rod: FS-95V

Crankcase: 30VG

O.S. Cylindr & Piston Assy OS Speed R21GT

Intake Manifold: FT-120 160

Crankcase: 21XZ-B Speed

Cylinder & Piston: 12TR (P)-T

Cylinder & Piston Assembly: 28XZ

Metering Needle 12F2: 12XZ Speed Spec

Venturi #61N: FS72A

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

Cylinder Liner: GT33

Nozzle Assembly: FL-70

Dust Cap Set, 10mm (3)

Connecting Rod: 21XR-B Version II

Rocker Cover: FT-160