OS Engines

Woodruff Key: 120-240

Connecting Rod: FS-61, 91

Inner Head: T1204 with O-Ring

O.S. Carburetor Body 12F5(B) Speed T1203

Exhaust Seal O-Ring (2)

Universal Nipple: #15, 21M

Piston Pin Retainers: Speed T1202 (6)

Exhaust Seal Ring (10)

EXHAUST MANIFOLD ASSEMBLY MR04

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

Dust Cover: #2BK

Exhaust Header Pipe M1021: 21TM

Crankshft Ball Bearing, Rear: 12TZ Spec II

Crankshaft: 18TM

Crankcase: 25LA Natural

Dust Cover: 18TM

Metering Needle 12F2: 12XZ Speed Spec

Metering Needle Assembly: 21VZB (P) V-Spec 21C

Carburetor 61G: 91HZ-R Speed 3D 3C

Ignition Module IG-06: GT15

Cylinder & Piston: 25LA

Gasket Carburetor: FS-120

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

Standoff 5x12.7mm 1/2" (4): GT55