O.S. Engines

Carb Reducer 5.8MM Natural TYII

Speed Flywheel Puller

Crankcase: 21XZ-B

Cover Plate: GT15

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

High Pressure Check Valve: 91HZ-R

Cylinder Head Screws: 56 FS

Valve Spring: FS155A-P

Slide Valve 12F2: 12XZ Speed Spec 3

Throttle Lever: #20C

Carburetor 21J4 (B) B21 Adam Drake II without Reducer

Dust Cover: #2BK

Cylinder Head Gasket, .2mm: 91HZ

Back Plate Parallel Pin: Sirius 7

Cylinder Liner 91HZ-R Speed 3D

Gasket Set: 32SX-H

Tappet Screw: F40-300

Back Plate: Sirius 7

Locknut Set Spinner: FS-52

Throttle Arm Assembly: 40L, 55HZ Hyper

Cylinder & Piston: 25LA

Cover Plate Gasket: 35AX

Cylinder Head Fixing Screws: 21TM

Carburetor Reducer 6mm: Speed 21 V-Spec II