OS Engines

Silencer: F-4020, 56FS

Breather Nipple: 120-300

Camshaft: FS-120 Surpass

Camshaft Gear: FR5-300

Carburetor Insert: 80T, Sirius 7

Speed Flywheel Key

Inner Head O.S.Speed B21 Adam Drake II

Thrust Plate: O.S. Speed B2104

Carburetor Reducer 6mm: Speed 21 V-Spec II

Carburetor Body: 22B, 21XR-B

Crankcase: R21

Outer Head: B2101 Speed

Mixture Control Valve: 12F2

Cylinder Liner: FS155A-P

Under Cover: IL-300 Dia-Star

Rocker Cover Gasket: GF40

Head Gasket: 56 FS

Ignition Module IG-02: GT33

Exhaust Header Pipe Assembly F-5050: FS-95V

Cover Plate: 200 Surpass

Lever Metering WLA-2: GT55

Nozzle: 15FP-S RN

Pushrod Cover Assembly: 120Surpass

Piston: 50SX-H