O.S. Engines

Inner Head With O-Ring: O.S. Speed B2104

Carb Reducer 6.3mm Black

Carburetor 21M: 21XZ-R VII

Crankshaft: 25XZ

Needle 3 (21M)

Carburetor Complete 21M4(B) W/O Reducer

Carburetor Reducer 8mm, Red: Speed 21 V-Spec

Carburetor Reducer 8mm, Blue

RP8 Turbo Glow Plug, On-Road, Cold

TR02 Tuned Silencer EFRA2165

Rear Bearing: 12TR

O.S. Pistion Pin: .12XZ

Crankshaft: 21XZ-R

Cylinder & Piston Assembly: 21TM

Mixture Control Valve 18TM

Metering Needle Assembly 22C(B): Speed B2102

O.S. Metering Needle Assembly 22D Speed B2103

Motor Mount: 15LA

Powerboost Pipe: III 50, 55HZ-H

Bearing Rear: 65AX

Rear Bearing: 108-160

Carburetor Screw: #103A2A

Connecting Rod Plate: GGT10

Back Plate Parallel Pin: Sirius 7