OS Engines

Cylinder Liner: F91, 160, 320

42mm Carbon Fiber Propeller: 21XM

Needle #20E

Carburetor Retainer: 12TZ Spec II

Carburetor Dust Covers: #12FB, 12XZ Speed

O.S. Cover Plate Speed: T1203

GT15 15cc Gas 2-Cycle Airplane Engine with Muffler

Metering Needle 12F2: 12XZ Speed Spec

Crankcase: 46AXII

Outer Head: O.S. Speed T1205

Drive Shaft Nut: 21XM

Inner Head O-Ring O.S. T1204 (S30-FKM)

O-Ring IV PRC #6H Rubber

O.S. Carburetor Complete 22E(B)GT w o Reducer

Connecting Rod: 12Z CV

Exhaust Header Pipe Assembly F-4050: FS-62V

OS MAX-21 V2

Rear Housing: 21XM

Drive Washer: FS-62V

Back Plate Assembly O.S. Speed B21 Adam Drake Edition 3

O.S. Cylindr & Piston Assy OS Speed R21GT

Ignition Module IG-06: GT15

Cylinder Jacket: FT-160

Cover Plate: O.S. Speed B2104