O.S. Engines

Speed Hex Driver Replacement Tip 1.5

Crankcase: 21XZ-GT Speed

O.S. Cylindr & Piston Assy OS Speed R21GT

Crankshaft: 25FX

Rocker Arm: FS-62V

Intake Manifold: FT-120 160

Crankcase: 21XR-B Version II

Crankcase: 21XZ-B Speed

Cylinder & Piston: 12TR (P)-T

Inner Head: speed 21XZ-B Spec III

Metering Needle 12F2: 12XZ Speed Spec

Intake Manifold: FS-62V

Piston Ring: FS-62V

Carb Reducer 7.5mm, Blue

Crankcase: 12XZ Spec II Speed

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

Inner Head: 12XZ Speed

Piston Ring: 140RX

Air Funnel: 56FS

Cylinder Liner: GT33

Dust Cap Set, 10mm (3)

Muffler Assembly Screw #E-2030

Venturi #61N: FS72A

Cam Cover: GF40