O.S. Engines

OS Engines Cylinder Jacket: IL-300 Dia-Star

OS Engines Cylinder Liner: 55HZ Hyper

OS Engines Drive Hub: 140RX

OS Engines Drive Spacer: GT60

OS Engines Gasket Set: 50SX-H

OS Engines Carburetor Spacer: Sirius 7

OS Engines Locknut: GT33

OS Engines Muffler Screws #871 (2)

OS Engines Needle Assembly: FT-120-300

OS Engines Needle 25 2SX: 61FX

OS Engines Needle Valve Assembly: #61B, 91HZ

OS Engines Main Needle Valve Assembly: 61ER

OS Engines O-Ring: GF30

OS Engines Piston Pin: 15LA CV LD

OS Engines Piston Pin: 40 46VFR

OS Engines Piston Pin: 25F FP

OS Engines Tappet Adjusting Screw: 200 Surpass

OS Engines Throttle Lever #40D

OS Engines Valve Assembly: New FT-160

OS Engines Bearing L-840ZZ

OS Engines Cylinder & Piston Assembly: 55AX

OS Engines Muffler Screws #744B

OS Engines Needle Valve Assembly 61H: GT15

OS Engines Cover Assembly Metering WLA-2: GT55