O.S. Engines

Cylinder Liner: 50SX-H

Cylinder Liner: FS-70 Surpass

Manifold Seal: FT-120-300

Mixture Control Screw: #2F and #2FB

Needle Holder FT-120-300

Needle Assembly: #61B, 91HZ

Mid Needle Valve Assebly: 61ER, 941HZ-R

O-Ring: 21TM

Piston Pin Retainer: 61RX SX

Rocker Cover: 120 Surpass

Rocker Cover: GF30

Rotor Stop Holder #2K 74

Throttle Arm Assembly WLA-2: GT55

Stator Assembly: 5020-490 .40

Head Gasket: 0.1, 0.15, R2101 Speed

Metering Needle Assembly 18TM

Piston Pin: 19XZ-B Speed

Screw Set (8): 15CV-A

Carburetor Reducer, 6.5mm: OS Speed B21 Pink Rhonda Drake Edition

Carburetor Body: #21C

Crankcase: R21

Crankshaft: 12XZ Speed Spec II

Carburetor Reducer 8mm, Red: Speed 21 V-Spec

M1006SC Manifold