O.S. Engines

OS Engines Valve Spring Exhaust: FS-120 Surpass

OS Engines Carburetor Body: #61B, 91HZ

OS Engines Muffler Assembly Screw #843 #892

OS Engines Cam Follower: 91-300

OS Engines Connecting Rod Bearing: GGT10

OS Engines Throttle Lever Assembly: GT15HZ

OS Engines Cylinder & Piston: 25FX

OS Engines Muffler F6020; FS155A-P

OS Engines Fuel Inlet: #61B, 91HZ

OS Engines Needle Valve Assembly 61H: GT15

OS Engines Mixture Control Valve: 12F2

OS Engines Piston: GGT10

OS Engines Muffler Extension: 761, 871

OS Engines Reduction Gear Bearing: FR5

OS Engines Manifold Seal: FT-120-300

OS Engines M11 In-Cowl Exhaust Header Pipe Inverted 80D: FS72A

OS Engines Muffler Screws L (2): 120AX

OS Engines Valve Throttle WLA-2: GT55

OS Engines Air Bleed Screw: FS-20, FS-40

OS Engines Carburetor Retainer: 21EX-B, R

OS Engines Rocker Arm Shaft: FS-95V

OS Engines Gasket Set: 50SX-H

OS Engines Piston Ring: FT-120 240

OS Engines Rear Bearing: 40-50