O.S. Engines

Cylinder Liner: 50SX-H

Crankshaft: 55AX

Cylinder Liner: FS-70 Surpass

Manifold Seal: FT-120-300

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

Standoff 5x50.8mm 2" (4): GT55

Throttle Arm Assembly WLA-2: GT55

Stator Assembly: 5020-490 .40

Cylinder Head: FS110A

Drive Washer: FS155A-P

Exhaust Pipe Nut: FS-120 Surpass

Muffler Screws 20-46 (2)

Piston Ring: FT-120 240

Piston Ring: GT33

Spark Plug 1 4-32 RCE: GF30

Return Spring: #6H, #7H, #8H

Slide Valve #60U