O.S. Engines

OS Engines Front Plate: Sirius 7

OS Engines Reed Valve Assembly: GT33

OS Engines Carburetor Gasket Set: WLA-2 (3)

OS Engines Head Gasket: 55HZ Hyper

OS Engines Carburetor 12D2: 12TG VII

OS Engines Cylinder Head: GGT10

OS Engines Piston Pin Retainers: Speed T1202 (6)

OS Engines Cylinder Head Screws (10): 120AX

OS Engines Exhaust Seal O-Ring (2)

OS Engines Head Gasket: 0.1, 0.15, R2101 Speed

OS Engines Prop Locknut FF-240 320

OS Engines Carburetor: GT33

OS Engines Ball WLA-2: GT55

OS Engines Carb Reducer 5.8MM Natural TYII

OS Engines Cylinder Liner: 50SX-H

OS Engines Cover Plate: GT15

OS Engines Built-Up Parts Set (C&P) O.S. Speed T1204

OS Engines Cylinder Head Screws: 56 FS

OS Engines Slide Valve 12F2: 12XZ Speed Spec 3

OS Engines Throttle Lever: #20C

OS Engines Cylinder Head Gasket, .2mm: 91HZ

OS Engines Back Plate: Sirius 7

OS Engines Throttle Arm Assembly: 40L, 55HZ Hyper

OS Engines Cylinder Head Fixing Screws: 21TM